| 单词 | Diptera |
| 例句 | This species is a reminder of just how little we know about scuttle flies, which are among the most biologically diverse, anatomically adventurous and species-rich of any Diptera family. New to Nature No 88: Euryplatea nanaknihali 2012-10-13T23:05:52Z Yet to Saudi riches some of the biggest names in golf flocked again last week, like, you could say nicely, Diptera to dung. Perspective | Moral failings are in golf’s DNA. LIV is only the latest example. 2022-07-03T04:00:00Z She is fond of all flies, but focuses on those that are included in the lower Diptera, which include mosquitoes, black flies and, as she puts it, “everything that’s bitey, stabby, nasty.” Trillions of Flies Can’t All Be Bad 2017-11-13T05:00:00Z The many species of biting flies may differ from mosquitoes in appearance and habits, but they are all members of the group known as true flies, two-winged flying insects in the order Diptera. Flies Want Your Blood, Too 2015-09-07T04:00:00Z In the Diptera the first division of the egg-cell separates the nuclear material of the subsequent reproductive cells from the material that is elaborated into the new organism to contain these cells. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z An exceedingly early differentiation of the primitive germ-cells occurs in certain Diptera. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z In some Diptera the wings diverge from each other towards their extremities, as in the Blue-bottle, shown in Figs. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from California. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z They are explained as due to the borings of minute insects, Diptera or Beetles, the larvae of which pierce the cortex and phloem and bore their way into the cambium. Disease in Plants 2012-03-01T03:00:22Z In their transformations, as in many other respects, they closely resemble the Diptera. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z This connexion was not at first recognized and the true nature of imaginal disks was not at first perceived, even by Weismann, to whom their discovery in Diptera is due. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z In some other Diptera and in the Perlid�, the wings lie over each other, as shown in Figs. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z The three more important orders, namely, the Hymenoptera, Coleoptera, and Lepidoptera, remain substantially the same in all classifications, and so with the three orders next in importance—the Hemiptera, Diptera, and Orthoptera. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z The Diptera include many agricultural and horticultural pests, and a number are notorious as disease carriers. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z Moreover, well-characterized Orthoptera and Neuroptera occur as early as the Devonian strata; Coleoptera and Hemiptera in the Coal-measures; Hymenoptera and Diptera in the Jurassic; Lepidoptera, on the contrary, not until the Tertiary. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z In some way it is assured among the highest of the Hexapoda—the Lepidoptera, Diptera and Hymenoptera—that the larva finds itself amid a rich food-supply. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z The order Diptera, or two-winged flies, includes more species which at times serve as food for trout and grayling, than any other order which includes species of so-called flies. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z Microlepidoptera, together with Microhymenoptera and Diptera may be conveniently pinned on fine, short pins, and these thrust into an oblong bit of cork or pith. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Among the Diptera, which includes a very wide range of genera and species, are some of a highly troublesome character, though on the whole, Mr Whymper did not find the flies and mosquitoes so. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z The Development of the Diptera is, however, as Weissman62 has shown, very abnormal in other respects. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z In Tertiary times the higher Diptera, besides Lepidoptera and Hymenoptera, referable to existing families, become fairly abundant. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Curses There are several other small Diptera which at times appear on the water in swarms. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z Some insects, such as minute Diptera, are injured by the use of hot water, and for these dipping in hot spirits is recommended. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z The order Diptera contains a host of serious pests. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z The Diptera, or Flies, comprise insects with two wings only, the hinder pair being represented by minute club-shaped organs called “haltères.” On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z Diptera, or Two-winged Insects, having only two wings, and being furnished with a balance or club behind each wing. Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History The number of different small Diptera which are found on the water is so great that any attempt to classify them in a work which is meant only for fishermen would be out of place. Old Flies in New Dresses How to Dress Dry Flies with the Wings in the Natural Position and Some New Wet Flies 2012-04-02T02:00:23.697Z It is, however, impracticable for Lepidoptera, Diptera, and most Neuroptera. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Diptera are divided into some sixty families, the exact classification of which has not yet been finally settled. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The pupæ of Diptera are of two kinds. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z Although this fly belongs to the order Hymenoptera, it can be used when many of the Diptera order are on the water, such as Cowdung, Blue bottle, Bee, etc. How to Tie Flies Thus the Bembex, which especially attacks Diptera to make them the prey of its larvæ, throws itself suddenly on them and kills them with one blow in any part of the body. The Industries of Animals All the more delicate insects, including Hymenoptera, Diptera, the smaller Lepidoptera, and the Neuroptera, require special care in killing. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z With many writers it is customary to treat the fleas as a sub-order of Diptera, under the title Aphaniptera or Siphonaptera. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Thus the same tree may harbour larvæ of Diptera, Hymenoptera, Coleoptera, and Lepidoptera; each presenting the form typical of the family to which it belongs. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z I regard them more as a fly than a beetle, because most Coleoptera are helpful to humanity while practically all, if not all, Diptera are malignant. Astounding Stories of Super-Science April 1930 The stages of metamorphosis in the Diptera are no more suddenly acquired than in the bee or butterfly. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses Most Diptera frequent flowers and may be collected with a sweeping net without much difficulty. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Diptera as an order are probably more widely distributed over the earth’s surface than are the representatives of any similar division of the animal kingdom. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Arista: a specialized bristle or process on antennae of certain Diptera. Explanation of Terms Used in Entomology The Coleoptera, the Diptera, or the Hymenoptera, on the other hand, present far greater and more essential variations. Contributions to the Theory of Natural Selection A Series of Essays Nicolet, the naturalist who, previous to Lubbock, has given us the most correct and complete account of the Thysanura, regarded them as an order, equivalent to the Coleoptera or Diptera, for example. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses Very small Diptera should not be killed when they can not be immediately pinned, and hairy flies should never be taken from the net with the hand, but should be handled with fine forceps. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Little light on the relationship and evolution of the various families of Diptera is afforded by fossil forms, since as a rule the latter are readily referable to existing families. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Axillary incision: Diptera; an incision on inner margin of wing, near base, which separates the alula from the main part. Explanation of Terms Used in Entomology To-day I find him dried and ready for the insect-pin and the cabinet on the window-sill beneath the web, which affords at all times its liberal entomological assortment—Coleoptera, Hymenoptera, Diptera, and Lepidoptera. My Studio Neighbors Such degraded forms of Diptera have a remarkable resemblance to the spiders, mites, ticks, etc. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses The method of mounting minute Hymenoptera and Diptera and other insects on a bent wire, mentioned above, is illustrated at Figure 94. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z With the exception of a few species from the Solenhofen lithographic Oolite, fossil Diptera belong to the Tertiary Period, during which the members of this order attained a high degree of development. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Cephalic bristles: Diptera; specialized bristles occurring on the head. Explanation of Terms Used in Entomology Swarms of Diptera may be seen on any bright day dancing in the sunlight. The Dawn of Reason or, Mental Traits in the Lower Animals In its adult condition the flea combines the characters of the Diptera, with certain features of the grasshoppers and cockroaches, and the bugs. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses It will frequently be advisable, also, especially in the collection of Diptera, Hymenoptera, and other delicate insects, to put a strip of blotting paper partially round the inner side of the bottle. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Between 40,000 and 50,000 species of Diptera are at present known, but these are only a fraction of those actually in existence. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Cervix: the upper part of the neck; = crag: in Diptera; that part of the occiput lying over the junction of the head, i.e. between the vertex and neck. Explanation of Terms Used in Entomology Again, Nicholas Wagner found in certain other Diptera, the Hessian flies, that the larva gives rise to secondary larv� within it, which develop and burst the body of the primary larva. On the Genesis of Species My expectations are thus confirmed; as with Bembex, slayer of Diptera, so Philanthus, killer of bees, lays her egg upon the first body stored, and completes, at intervals, the provisioning of the cells. Social Life in the Insect World Among the endopterygote orders many Neuroptera and Coleoptera, all Trichoptera, a very few Lepidoptera and many Diptera, have aquatic larvae. The Life-Story of Insects The most specialised order, Lepidoptera, is the most recent, only dating back to the Oolite; the Hymenoptera, Diptera, and Homoptera go as far as the Lias; while the Orthoptera and Neuroptera extend to the Trias. Darwinism (1889) Dipterous: belonging to or having the characters of Diptera. Explanation of Terms Used in Entomology He tells us that they are "of the order Diptera," "sub-order Nemocera," and chiefly "of the family Culicidae," and he also goes so far as to tell us that they "annoy man." The New North And we can hardly be accused of hypercriticism, in directing the attention of the editors to a sentence like the following, in the article Diptera, p. The Atlantic Monthly, Volume 05, No. 27, January, 1860 Reverting to the first great division of the Diptera, we find varied adaptations to aquatic life among many grubs that possess a definite head. The Life-Story of Insects Even in the upper and damp region I procured very few, excepting some minute Diptera and Hymenoptera, mostly of common mundane forms. The Voyage of the Beagle Discal bristles: Diptera; are inserted on the middle of the abdominal segments before the hind margin. Explanation of Terms Used in Entomology They are most commonly caused by small Hymenoptera and Diptera which puncture the bark and lay their eggs in the wounds. The Gutenberg Webster's Unabridged Dictionary Section F, G and H The larva of the fly is, I believe, eyeless like the larvae of other Diptera, but Morgan says nothing of the eye being developed in the imago or pupa and then degenerating. Hormones and Heredity We will recur later to these transformations of the Diptera. The Life-Story of Insects The parasitic flies belong to the order Diptera, and the families Muscidae and OEstridae. Common Diseases of Farm Animals Hexachaetous: Diptera in which the mouth structures have six piercing setae. Explanation of Terms Used in Entomology We have, indeed, in most of our large towns and in their suburbs, abolished cesspools, which are admirable breeding-places for many kinds of Diptera, and which sometimes presented one wriggling mass of larvae. Scientific American Supplement, No. 303, October 22, 1881 On four leaves of a young and small plant, 8, 10, 14, and 16 minute insects, chiefly Diptera, were found in the autumn adhering to them. Insectivorous Plants A curious segmental displacement of the imaginal discs with regard to the larva is noticeable in some Diptera. The Life-Story of Insects The fact of bees and of some Diptera visiting the flowers of the same species as long as they can, instead of promiscuously visiting various species, favours the intercrossing of distinct plants. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Pectus: the ventral portion of thorax: variably applied in Coleoptera, for the entire meso- and meta-thorax: also the pro- and meso-sternum: in Diptera, is the inferior surface of the thorax between the legs. Explanation of Terms Used in Entomology Perhaps the Diptera have their seasons of unusual multiplication and emigration. Scientific American Supplement, No. 303, October 22, 1881 Drosera, on the other hand, lives chiefly on insects which are good flyers, especially Diptera, caught by the aid of its viscid secretion. Insectivorous Plants In many Diptera, on the other hand, the nervous system of the larva is more concentrated than that of the imago. The Life-Story of Insects Even at a somewhat later period the more specialised orders of the Hymenoptera, Lepidoptera, and Diptera, which are now chiefly concerned with the transport of pollen, did not exist. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Pencil: a little, elongated brush of hair: in Diptera, applied to a group of sensory hairs on the flagellum of the antenna. Explanation of Terms Used in Entomology But the Diptera, among which the fleas are now generally included as a degenerated type, comprise more forms personally annoying to man than all the remaining insect orders put together. Scientific American Supplement, No. 303, October 22, 1881 These consisted chiefly of Diptera, with some Hymenoptera, Homoptera, Coleoptera, and a moth. Insectivorous Plants A free pupa is characteristic of the Coleoptera, Neuroptera, Trichoptera, Hymenoptera and many Diptera. The Life-Story of Insects Some species of Diptera or flies keep to the flowers of the same species with almost as much regularity as do bees; and when captured they are found covered with pollen. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Stylet: a small style or stiff process: one of the piercing mouth structures in Diptera and Hemiptera. Explanation of Terms Used in Entomology The flowers of Hottonia are cross-fertilised, according to Muller, chiefly by Diptera. The Different Forms of Flowers on Plants of the Same Species It may be added that the mental faculties of the Diptera are probably higher than in most other insects, in accordance with their highly- developed nervous system. The Descent of Man Among those Diptera whose larva is the headless maggot a most remarkable arrangement for protecting the pupa is to be found. The Life-Story of Insects Antliata: insects with a sucking mouth; originally applied to Lepidoptera and Diptera, later and more specifically to Diptera. Explanation of Terms Used in Entomology Styliform: in the shape of a stylus: terminating in a long slender point, like the antenna in some Diptera. Explanation of Terms Used in Entomology In a state of nature the flowers are incessantly visited for their nectar by hive- and other bees, various Diptera and Lepidoptera. The Different Forms of Flowers on Plants of the Same Species Calypter: Diptera; the alula or squama when it covers the haltere. Explanation of Terms Used in Entomology Among the Diptera it is not unusual to find similar cases, the female fly giving birth to young maggots instead of laying eggs. The Life-Story of Insects Capitulum: a small head: the enlarged tip of an antenna: the little knob at tip of halteres in Diptera: the labella or lapping tip of the mouth of certain flies. Explanation of Terms Used in Entomology Stylotrachealis: with a long tube bearing a stigma, from the head case; as the pupa of some Diptera. Explanation of Terms Used in Entomology It was also extremely difficult to exclude minute Diptera from the net. The Different Forms of Flowers on Plants of the Same Species Cyclorrhapha: that section of Diptera in which the adult escapes from the hardened pupal case by pushing off a lid or covering: see orthorrhapha. Explanation of Terms Used in Entomology Among the Diptera, most species pass the winter as pupae, the sheltering puparium being a good protection against most adverse conditions, or as flies. The Life-Story of Insects Decussate: crossing at an angle: X-like: in cross pairs; or, when bristles alternately cross each other, as in some Diptera. Explanation of Terms Used in Entomology Ventral: pertaining to the under surface of abdomen: in Diptera, that face of the leg which is inferior when laterally extended. Explanation of Terms Used in Entomology Dorsal: of or belonging to the upper surface: in Diptera, that face of the laterally extended legs visible from above. Explanation of Terms Used in Entomology Dorso-central bristles: Diptera; two or four longitudinal rows on the inner part of the dorsal. Explanation of Terms Used in Entomology Rocks of Triassic age have yielded beetles and lacewing-flies, while from among Jurassic fossils specimens have been described as representing most of our existing orders, including Lepidoptera, Hymenoptera and Diptera. The Life-Story of Insects Facial bristles: Diptera; a series on either side of the middle portion of the face, above the vibrissae, along the facialia. Explanation of Terms Used in Entomology Vertical cephalic bristles: in Diptera, are two pairs, inner and outer, inserted more or less behind the upper and inner corner of the eye; erect, or the inner pair convergent, the outer pair divergent. Explanation of Terms Used in Entomology Facialium -ia: Diptera; that portion of the face between the lower part of the frontal fissure and the antennal fovea. Explanation of Terms Used in Entomology Facial ridges: Diptera; the elevated lateral borders of antennal grooves. Explanation of Terms Used in Entomology The Neuroptera and Coleoptera among which campodeiform larvae are common, are less specialised than Lepidoptera, Hymenoptera, and Diptera, in which they are unknown. The Life-Story of Insects Facial tubercle: Diptera; a median convexity below middle of face. Explanation of Terms Used in Entomology Vertical margin: in Diptera, the limit between front and occiput. Explanation of Terms Used in Entomology Lateral bristles: in Diptera; situated at or near the lateral margins of the abdominal segments. Explanation of Terms Used in Entomology Lower fronto-orbital bristles: in Diptera: are on the lower part of front, above the antennae, along the orbit. Explanation of Terms Used in Entomology Mystax: in Diptera; a patch of hair or bristles above the mouth, on the lower part of the hypostoma above the vibrissae. Explanation of Terms Used in Entomology Occiput: that part of the head behind the vertex: in Diptera, the whole posterior surface of the head: in bees, the space between the vertex and the neck. Explanation of Terms Used in Entomology Vertical triangle: in male Diptera, the small triangle upon which the ocelli are situated; limited behind by vertex, in front by eyes. Explanation of Terms Used in Entomology Ocellar bristles: in Diptera, are situated close to the ocelli, usually directed forward: often absent. Explanation of Terms Used in Entomology Ocellar triangle: a triangle, indicated by grooves or depressions, on which the ocelli are situated; Diptera. Explanation of Terms Used in Entomology Orbit: an imaginary border around the eye: in Diptera the orbits are divided into vertical or superior; frontal and facial or anterior; of the cheek or inferior; occipital or posterior. Explanation of Terms Used in Entomology Orthorrhapha: that section of Diptera in which the pupa escapes from larval skin through a T-shaped opening on back: see cyclorrhapha. Explanation of Terms Used in Entomology Verticil: one of the whorls of long fine sensitive hair arranged symmetrically on the joints of the antennae in certain Diptera. Explanation of Terms Used in Entomology Petiole: a stem or stalk: specifically the slender segment between the thorax and abdomen in many Hymenoptera, and some Diptera. Explanation of Terms Used in Entomology Pile: a hairy or fur-like covering: in Diptera, applied to thick, fine, short, erect hair, giving a surface appearance like velvet. Explanation of Terms Used in Entomology Pollen: a dusty or pruinose surface covering which is easily rubbed off; used mostly in Diptera. Explanation of Terms Used in Entomology Ptilinum: in Diptera cyclorrhapha, an inflatable organ capable of being thrust out through a frontal suture just above the root of antenna. Explanation of Terms Used in Entomology Vibrissae: curved bristles or hairs in some Diptera, situated between the mystax and the antenna: whiskers. Explanation of Terms Used in Entomology Puparium -ia: in Diptera, the thickened larval skin within which the pupa is formed. Explanation of Terms Used in Entomology Supra-alar groove: in Hymenoptera, a groove or depression just above the base of wings: in Diptera, a groove on the meso-thorax just above the root of the wings. Explanation of Terms Used in Entomology Tympanic spiracle: in Diptera, the thoracic spiracle at base of wing. Explanation of Terms Used in Entomology Sub-clypeal pump: in some Diptera, the enlarged, more or less bulb- like structure at the anterior entrance of the oesophagus. Explanation of Terms Used in Entomology Vocal cords: specialized organs on the thoracic spiracles of Diptera, by means of which they produce a humming or singing sound. Explanation of Terms Used in Entomology Ambient vein: Diptera; the costal vein when it extends beyond the apex and practically margins the wing. Explanation of Terms Used in Entomology Axillary lobe: the sclerite covering the base of the wing in Diptera; see also alula and posterior lobe. Explanation of Terms Used in Entomology Eremochaetus: Diptera in which there is a general absence of bristles. Explanation of Terms Used in Entomology Antennal fovea: Diptera; a groove or grooves in the middle of the face as though for the lodgment of the antennae; bounded on the sides by the facial ridges. Explanation of Terms Used in Entomology Tentoria: Diptera; two hollow, cylindrical struts which pass from the ventral border of the occipital foramen to the cheeks. Explanation of Terms Used in Entomology Antennal process: Diptera; the frontal protuberance upon which the antennae are inserted. Explanation of Terms Used in Entomology Collum: the neck or collar: the slender connection between head and thorax in Hymenoptera and Diptera; in Coleoptera, the posterior, narrow part of the head or even the thorax: loosely used. Explanation of Terms Used in Entomology Genal bristles: Diptera; are on the cheeks near lower corner of eye. Explanation of Terms Used in Entomology Hypostoma: in Diptera; that portion of the head included between antennae, eyes and mouth: in Hemiptera: the lower part of face. Explanation of Terms Used in Entomology Tetrachaetae: applied to those Diptera in which the mouth structures consist of four longitudinal blades or piercing structures. Explanation of Terms Used in Entomology Metanotum: the primitively upper surface of the third or posterior thoracic ring: in Diptera, the oval arched portion behind, beneath the scutellum best developed in flies with long, slender abdomen: e.g. Explanation of Terms Used in Entomology Labrum-epipharynx: in the mouth of piercing Diptera is the central unpaired lancet. Explanation of Terms Used in Entomology Lacinia: the inner lobe of first maxilla, articulated to the stipes, bearing brushes of hair or spines: a blade: in Diptera, forms a flat lancet-like piercing structure and is never jointed. Explanation of Terms Used in Entomology Macrochaetae: the long bristles occurring singly on the body of Diptera. Explanation of Terms Used in Entomology Thoracic dorsal bristles: in Diptera, the specialized bristles on the dorsum of the thorax. Explanation of Terms Used in Entomology Marginal bristles: in Diptera; are inserted on the posterior margin of the abdominal segment. Explanation of Terms Used in Entomology Transverse suture: in Diptera, a transverse groove extending inward from the root of wing and obsolete in the middle of dorsum. Explanation of Terms Used in Entomology Vibratile: formed for vibratory motion: used to express the almost continual movement of the antennae of some Hymenoptera, and the wings of some Diptera. Explanation of Terms Used in Entomology Aerostats: a pair of large air sacs at base of abdomen in Diptera. Explanation of Terms Used in Entomology Thoracic pleural bristles: in Diptera, the specialized bristles situated on the pleural region of the thorax. Explanation of Terms Used in Entomology Alulet: Diptera: the lobe at basal posterior part of wing; = alar appendage; posterior lobe: and has been used as = alula. Explanation of Terms Used in Entomology Frontal fissure: Diptera; the impressed line extending from the frontal lunule to the border of the mouth. Explanation of Terms Used in Entomology Frontal triangle: Diptera; the triangular space in males, between the eyes below, limited by a line drawn through base of antennae. Explanation of Terms Used in Entomology Fronto-orbital bristles: in Diptera; are placed on each side of the front, just below the vertical bristles. Explanation of Terms Used in Entomology Tomentum: a form of pubescence composed of matted, woolly hair: in Diptera applied to a covering of short, flattened, more or less recumbent, scale-like hair which merges gradually into dust or pollen. Explanation of Terms Used in Entomology Fulcrum: the chitinous envelope at the base of mouth in Diptera and Hymenoptera, covering the beginning of the oesophagus: any structure that serves as a support to another.. Explanation of Terms Used in Entomology Gales: the outer lobe of the maxilla, usually two-jointed, often hood-like, subject to great modifications in Hymenoptera and Diptera, and forms the coiled tongue in Lepidoptera. Explanation of Terms Used in Entomology Halteres: the poisers or balancers: capitate movable filaments in Diptera, situated one on each side of the thorax and representing rudimentary hind wings. Explanation of Terms Used in Entomology Maggot: applied to the footless larvae of Diptera. Explanation of Terms Used in Entomology Tubulus: the slender, flexible abdominal segments forming the ovipositor in Diptera. Explanation of Terms Used in Entomology Post-alar callosities: rounded processes at the posterior lateral margin of the dorsum, in Diptera. Explanation of Terms Used in Entomology Posterior: hinder or hindmost: opposed to anterior: in Diptera; applied to that face of the legs which is not visible when viewed from the front, the legs being laterally extended. Explanation of Terms Used in Entomology Postero-dorsal: Diptera; applied to leg bristles at the meeting of the dorsal and posterior face. Explanation of Terms Used in Entomology Postero-ventral: Diptera; applied to leg bristles at the meeting of the ventral and posterior face. Explanation of Terms Used in Entomology Antero-dorsal: Diptera; applied to leg bristles at the meeting of anterior and dorsal face. Explanation of Terms Used in Entomology Post-median: Diptera; those leg bristles situated above or behind the middle. Explanation of Terms Used in Entomology Post-vertical cephalic bristles: in Diptera, are in the middle of upper part or Occiput. Explanation of Terms Used in Entomology Pre-alar callus: a small swelling or projection before the root of wings, just back of outer ends of transverse suture, in Diptera. Explanation of Terms Used in Entomology Pre-furca: "the stem vein in front of a fork, that reaches back to where itself forks from another vein"; Diptera. Explanation of Terms Used in Entomology Antero-ventral: Diptera; applied to leg bristles at the meeting of anterior and ventral face. Explanation of Terms Used in Entomology Pupipara: a series of Diptera, in which the females do not extrude the young until they have reached the stage ready to pupate. Explanation of Terms Used in Entomology Salivary pump: applied to the chitinous, cup-like structure at the base of the labial stylets of piercing Diptera; e.g. mosquitoes. Explanation of Terms Used in Entomology |
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