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Information × Registration Number 0221U100485, 0119U001880 , R & D reports Title The diversity and ecological significance of some groups of hymenopteran insect pollinators and entomophages in transformed biotopes popup.stage_title Head Koniakin Serhii M., Кандидат географічних наук Registration Date 05-01-2021 Organization Institute for evolutionary ecology NAS Ukraine popup.description2  t was investigated trap nests constructions for hymenopterans, which were located in parks. There were registered seven representatives of families Colletidae, Megachilidae, Crabronidae, Pompilidae and Eumenidae. It was found that the degree of the nesting, in particular Osmia bicornis (Linnaeus, 1758), Osmia cornuta (Latreille, 1805), Hoplitis adunca (Panzer, 1798), Megachile centuncularis (Linnaeus, 1758), Hylaeus communis Nylander,1852, Trypoxylon Latreille, 1896 and the representatives of Pompilidae and Eumenidae accounted for a total of 98% with an apparent dominance of O. bicornis (up to 92%). The nesting of insects in the different types of the trap nest constructions are varied and depended from their type, exposure and habitat. The frequency of the insect nesting in reed tubes is related to their morphometric parameters. With long-term using of the trap nests, there is a high percentage of infection of nests of wild bees by various kleptoparasites: Cacoxenus indagator, Chaetodactylus osmiae, as well as parasitic wasps – Monodontomerus sp., Melittobia acasta. Dead bees of the last instar in all investigated nests were 7%. It is proposed to install trap nest constructions for wild bees measuring 45 × 40 × 30 cm and fill them with dried tubular stems at different times of the spring-summer season, which will contribute to a more diverse of the nesting. Product Description popup.authors Honchar Hanna Yu. Konyakin Sergiy M. Kumpanenko Oleksandr S popup.nrat_date 2021-01-05 Close