| 单词 | mandibulate |
| 例句 | Some of the insects of this order are highly specialized, and their mouth-parts are fitted both for biting and sucking, and in this respect they connect the mandibulate and haustellate insects. Directions for Collecting and Preserving Insects 2012-03-28T02:00:31.483Z Neither, on the other hand, for the same reasons, could the mouth of the Hemiptera be modified into a mandibulate type like that of the Coleoptera. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z A similar history must have been slowly brought about when this second mandibulate somite in its turn became agnathous and passed in front of the mouth. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" In the structure of the digestive system, beetles resemble most other mandibulate insects, the food-canal consisting of gullet, crop, gizzard, mid-gut or stomach, intestine and rectum. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" The older entomologists divided insects into haustellate or suctorial, and mandibulate or biting insects, the butterfly being an example of one, and the beetle serving to illustrate the other category. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses Trichoptera: hairy-winged: insects with hairy primaries with many longitudinal veins and cells, covering the broader secondaries which are usually folded lengthwise; mouth mandibulate but rudimentary: head free; thorax agglutinate: metamorphosis complete. Explanation of Terms Used in Entomology There are, however, peculiar difficulties in those cases in which, as among the Lepidoptera, the same species is mandibulate as a larva, and suctorial as an imago. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z It is, however, provided with the mandibles and other oral apparatus of the mandibulate group of insects, and it is only in this feature that any connection with the beetle can be traced. Chambers's Edinburgh Journal, No. 451 Volume 18, New Series, August 21, 1852 Corrodentia: an ordinal term meaning gnawers: net-veined or wingless: mandibulate, mouth formed for gnawing; transformation incomplete; thorax incompletely agglutinated: = Psocoptera: includes Termitidae, Psocidae and Mallophaga. Explanation of Terms Used in Entomology These homologies have never been made before, so far as the writer is aware, but they seem natural, and suggested by a careful examination and comparison with the above-mentioned mandibulate insects. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses Isoptera: equal winged: an ordinal term for insects with four, similar, net-veined wings; mouth mandibulate; thoracic rings similar, loosely jointed metamorphosis incomplete: the Termitidae. Explanation of Terms Used in Entomology Hymenoptera: membrane-winged: an ordinal term applied to insects with four membranous wings with few veins, the anterior usually larger than the posterior; mouth mandibulate; head free; thorax agglutinate, transformations complete. Explanation of Terms Used in Entomology Ephemerida: May-flies: an ordinal term used for insects with net- veined wings, held vertically when at rest, not folded; mouth mandibulate, not functionally developed: thorax loosely agglutinated; abdomen with anal filaments: metamorphosis incomplete. Explanation of Terms Used in Entomology Mecoptera: long-winged: neuropterous insects with similar, large, unfolded wings; mouth mandibulate, prolonged into a beak: head free; thorax agglutinated; transformations complete: the scorpion flies or Panorpidae. Explanation of Terms Used in Entomology Orthoptera: straight winged: an ordinal term applied to insects in which the primaries are not used in flight, but cover the longitudinally folded secondaries; mouth mandibulate; head set into prothorax, the latter free; metamorphosis incomplete. Explanation of Terms Used in Entomology Thysanura: fringe-tails; wingless, mandibulate insects without metamorphosis; with anal appendages; body covered with scales; thoracic segments similar. Explanation of Terms Used in Entomology |
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