Stefano Maini

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Under certain circumstances, the effects of imidacloprid on honey bees may not be immediately perceived. The aim of this study was to investigate if imidacloprid, provided in sub-lethal doses, could influence honey bee behaviour in the laboratory. Imidacloprid (supplied as Confidor®) was offered to bees in 50 % sucrose solution at two different(More)
Osmia (Osmia) bees are strictly univoltine and winter as diapausing adults. In these species, the timing of adult eclosion with the onset of wintering conditions is critical, because adults exposed to long pre-wintering periods show increased lipid loss and winter mortality. Populations from warm areas fly in February-March and are exposed to longer growth(More)
The codling moth Cydia pomonella (L.) (Lepidoptera Tortricidae) is one of the key pests in apple and pear trees and its high harmfulness on the fruits requires a strongly effective pest management. Among the pest control strategies adopted in the years, nowadays integrated pest management (IPM) represents one of the most diffused methods and it requires(More)
Pollen diet is essential to nurse bees to develop hypopharyngeal glands (HPGs) and produce royal jelly to feed larvae. The effect of different diet regimes combined with pesticide exposure on the development of HPGs in honeybees was studied. In particular, a high-quality pollen mixture (high pollen diversity and protein content) and a low-quality diet (low(More)
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