| 单词 | Bombus |
| 例句 | As he described it, he was working in the Irish canola fields with buff tailed bumblebees, or Bombus terrestris. We have no idea if pesticide protections for bees actually work — a serious issue for conservation 2023-07-18T04:00:00Z Last February the Center for Biological Diversity and the Bombus Pollinator Association of Law Students of Albany Law School filed a petition to do just that for the American bumblebee, Bombus pensylvanicus. Opinion: The bumblebee’s decline shows how we get conservation wrong 2022-02-06T05:00:00Z Scientists have been warning about the decline of Bombus pensylvanicus for years. Bumblebee’s declining population, other ills may put it on U.S. endangered list 2021-10-15T04:00:00Z To stave off that scenario, Tyler's group joined the Bombus Pollinator Association of Law Students of Albany Law School in urging the U.S. Biden urged to "be the hero" to save American bumblebee from extinction 2021-02-06T05:00:00Z To fill in this missing piece, his team set up a nest in the lab and filled it with Bombus terrestris, one of Europe’s most common bumblebees and a popular pollinator in greenhouses. Bumblebee Vomit: Scientists Are No Longer Ignoring It 2020-01-22T05:00:00Z Europe’s largest bumblebee, the endangered Bombus fragrans, is just one example of a species seriously threatened by intensive farming, which is destroying its native habitat on the steppes of Ukraine and Russia. The selfish case for saving bees: it’s how to save ourselves | Alison Benjamin 2019-05-18T04:00:00Z The research, published in the journal Frontiers in Genetics on Monday, found evidence of large-scale inbreeding and signs of disease among the yellow-banded bumblebee, or Bombus terricola, population. Genome points to inbreeding, disease behind bumblebee decline:... 2018-08-16T04:00:00Z But on July 4, I watch as Dr. Duennes identifies the first Bombus polaris. Six Scientists, 1,000 Miles, One Prize: The Arctic Bumblebee 2016-10-07T04:00:00Z The plump bumblebee, Bombus terrestris, is an unsung hero of the agricultural world. Pesticides: Seeking answers amid a toxic debate : Nature : Nature Publishing Group 2015-05-19T04:00:00Z Goulson should know: He is one of Britain’s leading authorities on the genus Bombus and founder of the U.K.’s Bumblebee Conservation Trust. Two books on the bumblebee The Arctic species Bombus hyperboreus, living in the Scandinavian tundra and Russia, is vulnerable because global warming is shrinking its habitat, the study said. A Quarter of Europe's Bumblebees, Vital to Crops, Face Extinction 2014-04-02T11:31:24Z Entomologists and bee enthusiasts in recent weeks have photographed several specimens of the long-absent western bumblebee - known to scientists as Bombus occidentalis - buzzing among flower blossoms in a suburban park north of Seattle. Return of long-absent bumblebee near Seattle stirs scientific buzz 2013-07-19T12:07:19Z The first Bombus polaris bee is a gift. Six Scientists, 1,000 Miles, One Prize: The Arctic Bumblebee 2016-10-07T04:00:00Z A deadly parasite, possibly carried by European bees imported for pollination, is infecting Patagonia's native giant bumblebee, Bombus dahlbomii. Plight of the Bumblebee 2012-09-14T23:25:00Z The males are generally the brightest, and in Bombus as well as in Apathus, much more variable in colour than the females. The Descent of Man and Selection in Relation to Sex, Vol. I 2011-01-17T03:00:49.523Z Psithyrus rupestris F.: female; the cuckoo of Bombus lapidarius, which it closely resembles except for the nearly black colour of the wings. Wild Bees, Wasps and Ants and Other Stinging Insects So much is Bombus better than a man. Birds in the Bush All bumblebees, all in the same resonant genus, Bombus. Six Scientists, 1,000 Miles, One Prize: The Arctic Bumblebee 2016-10-07T04:00:00Z The mandibles also are not, like those of Bombus, trowel-shaped for architectural purposes, but acutely triangular, and are probably not used in building. Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses Such requisites are perfectly fulfilled by the humblebee, and we may well hazard the prophecy that the Bombus is the welcomed affinity of the flower. My Studio Neighbors A rather similar series of varieties occurs in Bombus hortorum, another species little liable to variation here. Wild Bees, Wasps and Ants and Other Stinging Insects The last chapter is on Bombus, the Bumblebee. A Mother's List of Books for Children Mr. Bombus gave her a severe look from under his three-cornered hat, but did not reply at once, and they advanced on their way for some little time in silence. Dreamland But it is particularly from the character of the head that the amateur observer of the perforators may soon learn to distinguish between a Xylocopa and a Bombus as they work among the flowers. Scientific American Supplement, No. 841, February 13, 1892 Nothing else is possible in the flower, and whether it is Bombus or not that effects it, the method is sufficiently evident. My Studio Neighbors P. media illustrates transitions in point of structure, as the filaments are pink, the anthers motionless, and the pollen grains aggregated, and it is regularly visited by Bombus terrestris. Darwinism (1889) "Nevertheless and notwithstanding," sez Doctor Bombus, blandly ignoring Josiah's muttering impatience, "I can but recapitulate my former prescription, a temporary translation from surrounding environment." Samantha at the St. Louis Exposition "I 'm afraid so," said Mr. Bombus, replying to her question though she had only thought it. Dreamland With possibly one or two exceptions, the only species I have seen doing the puncturing is Bombus affinis, Cresson. Scientific American Supplement, No. 841, February 13, 1892 His long tongue—if he is one of the largest of our sixty-two species of Bombus—can suck almost any flower unless it is especially adapted to night-flying sphinx moths, but can he drain this? Wild Flowers Worth Knowing Dr. Hermann Muller informs me that in the same district he has seen some individuals of Bombus mastrucatus boring through the calyx and corolla of Rhinanthus alecterolophus, and others through the corolla alone. Effects of Cross and Self Fertilisation in the Vegetable Kingdom I watched Bombus hortorum for some time, and whenever it came to a flower which did not stand in a convenient position to be sucked, it bit a hole through the spur-like nectary. The Different Forms of Flowers on Plants of the Same Species You see, Mr. Bombus, I am pretty sure it is n't in the geography. Dreamland Wall, Miss Bombus, old Dr. Bombus'es widow, wouldn't give — and for all the world — I went right there from Miss Whymper'ses. Samantha at Saratoga His long tongue - if he is one of the largest of our sixty-two species of Bombus - can suck almost any flower unless it is especially adapted to night-flying sphinx moths, but can he drain this? Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors What an admirable illustration you give of the transference of characters acquired by one sex—namely, that of the male of Bombus possessing the pollen-collecting apparatus. More Letters of Charles Darwin — Volume 2 What can be the meaning or use of the great diversity of the external generative organs in your cases, in Bombus, and the phytophagous coleoptera? More Letters of Charles Darwin — Volume 1 Mr. Bombus considered a moment, And then asked, "Do you know where Now is?" Dreamland Miss Bombus wouldn't give because I didn't put the names in the Jonesville Augur or Gimlet, for she said, "Let your good deeds so shine." Samantha at Saratoga The most abundant visitor, and the one for which the flower is most perfectly adapted," says Professor Robertson, "is Bombus Americanorum. Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors Pisum sativum I have also many times seen visited by Bombus. More Letters of Charles Darwin — Volume 2 The males are generally the brighter, and in Bombus as well as in Apathus, much more variable in colour than the females. The Descent of Man "We are running a race," observed Mr. Bombus. Dreamland But," insisted Betty, "it was August when I first saw you, a few hours ago, and—" "Yes, then it was August," assented Mr. Bombus; "but we 've got beyond that. Dreamland |
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