Studies on binding and uptake of vitellogenin by follicles of the tobacco hornworm, Manduca sexta
โ Scribed by Ellie O. Osir; Dr. John H. Law
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 933 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0739-4462
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The tobacco hornworm (Manduca sexta) exhibits facultative pupal diapause which is induced by the exposure of young larval instars to short day lengths. The daily body weight of pupae kept in constant humidity and the absence of eye pigmentation, were used as good markers for diapause in this species
Parasitized Manduca sexta undergo developmental arrest in the instar (typically the fifth) from which the parasitoid wasp Cotesia congregata will emerge. Host hemolymph ecdysteroid titers as well as levels of other regulatory molecules are manipulated by the parasitoid to create an environmental mil