The main methods for detection of infestation level of parasitic mite Varroa destructor in honey bee colonies were studied. The methods using vivo evaluation are ...
The parasitic mite Varroa destructor has been the dominant subject of discussion among bee scientists and bee-keepers worldwide. Unfortunately, few literatures ha...
Trisetacus pini (Nalepa) is the only species of Tetrapodili inducing bark galls (= twig knots or swellings) on the twigs of the gymnospermous plant, Pinus sylvest...