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单词 Pupal
例句
1. Then the brittle pupal case had cracked at the top, where the adult moth had emerged.
2. It remains in its pupal chamber until the following spring and emerges in April, May or June to seek a mate.
3. Insects that undergo incomplete metamorphosis lack a pupal stage and adults develop through a series of nymphal stages.
4. At early pupal stage of Telenomus theophilae, no egg chamber could be observed.
5. Undergoing a metamorphosis that lacks a pupal stage. Used of certain insects.
6. The average and range of pupal weight of beet armyworm Spodoptera exigua (Hubner) fed on artificial diet mainly consisted of soybean, wheat and yeast were 97.
7. At early pupal stage, no egg chamber could be observed.
8. If the adult butterfly leaves the pupal stage with a severe parasitic infection, it begins oozing fluids from its body and dies.
9. At the end of the pupal stage, the mosquitoes transform into adult mosquitoes and, after crawling to a dry place to rest and dry off, leave the water.
10. The emergence of an adult insect from a pupal case or an insect larva egg.
11. They grow by a series of moults but never pass through a pupal stage or undergo transformation.
12. The ants' larvae possess silk glands with which they spin their own pupal cocoons.
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13. And not only that, but they pass on their chemical deterrent through the pupal stage into the adult moth itself.
14. Mosquito breeding can be forestalled by killing the insect at its adult or and larval pupal stages.
15. With an increase in female parasitiod density, there was a corresponding increase in pupal parasitization rate and the average number of progeny per parasitized pupae.
16. The transgenic foliage consumed by insects induced the increase of larval mortality, and decrease of larval wet weight gain, faecal output, pupal weight and egg deposition.
17. Vector control measures (mainly larviciding in one site) substantially reduced larval and pupal counts and "pushed" mosquito breeding to alternative containers.
18. Azelaic semialdehyde, dodecanoic acid and 9-lauroleic acid were found in silkworm pupal fatty acids for the first time.
19. A complex but non-significant association was found between water supply and pupal counts, and lack of waste disposal services was associated with higher vector abundance in only one site.
20. On all host plants, significant relationships were founded between larval survival, duration of larval stage, pupal weight, adult eclosion rate and fecundity.
21. Small mites(Tropilaelaps clareae) customarily parasitized solely on the larval and pupal of honeybee in the brood comb.
22. A protective case of silk or similar fibrous material spun by the larvae of moths and other insects that serves as a covering for their pupal stage.
23. And here's something scary: The Berkeley scientists can now implant the MEMS equipment during the pupal stage so that the beetles emerge embedded with electrodes, ready to be wired up.
24. In general, it has two generations per year in Wolong Reserve, Sichuan Province. It hibernates in pupal stage.
25. Mature larvae usually leaves the victim or the back of the leaves, petioles, veins and weeds on a thin silk cocoon so pupation, pupal stage 5-15 days.
26. Peridomestic and intradomestic areas were much more important for pupal production than commercial and public spaces other than schools and religious facilities.
27. However, late in the development of the eye, the insects in the pupal stage begin to sense light.
28. Hygroscopicity and moisture retention of chitins and chitosans from shrimp shell, crab shell, fly pupal cases and verhoeff were investigated.
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更新时间:2024/10/7 0:42:40