Apidologie (1993) 24, 375-382

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P. Rosenkranz, N.C. Tewarson, A. Rachinsky, A. Strambi, C. Strambi and W. Engels (1993)
Juvenile hormone titer and reproduction of Varroa jacobsoni in capped brood stages of Apis cerana indica in comparison to Apis mellifera ligustica
Apidologie 24 (4), 375-382
Abstract: The juvenile hormone (JH) III hemolymph titer of late larval and early pupal stages as determined by radioimmunoassay (RIA) does not differ significantly in Apis cerana and Apis mellifera, particularly in freshly-sealed worker brood. In drone brood, slightly higher JH III hemolymph concentrations were recorded. These results do not agree with the hypothesis that reproduction of the parasitic bee mite Varroa jacobsoni is regulated by host-derived JH. After checking over a thousand capped brood cells containing pupae, it was confirmed that in Apis cerana colonies fertility of female mites is restricted to drone hosts.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website


Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Varroa destructor
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