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Characteristics of the development of the mite varroa jacobsoni in bee and drone brood



Characteristics of the development of the mite varroa jacobsoni in bee and drone brood



Vestnik Zoologii (2): 40-43



A study was made of the effect of various temperatures (31-37.degree. C) on the rate of the development of viable Varroa eggs, their mortality rate, and the fertility of female mites in bee and drone broods. The mites Varroa jacobsoni were found to develop in bee broods in a relatively narrow and stable temperature regimen maintained by the bees. Shifts from this regimend were found to have a negative effect on the parasite fertility, mortality rate of viable eggs, and the duration of egg development. These characteristics were different in bee and drone broods. The mites from bee broods were adapted to higher temperatures (up to 36.degree. C), while these temperatures were not acceptable for egg laying and viability of mites in drone broods. The mites from bee broods, however, where found to be less fertile, and to develop more slowly due to the biochemical and hormonal characteristics of the brood's hemolymph.

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Accession: 004922354

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