The walnut leaf miner Caloptilia roscipennella (Hübner, 1796) is recorded for the first time in Belarus. The larvae of this species damage leaves of the common walnut (Juglans regia L.). In 2015, C. roscipennella was registered in a number of geographical locations in the Brest and Gomel provinces. In subsequent years, the species was found only in the same places. It is shown that the name C. roseipennella Anikin, Zolotukhin et Kirichenko, 2016, syn. nov., being an unjustified emendation, is a junior synonym of C. roscipennella (Hübner, 1796) in accordance with the International Code of Zoological Nomenclature, Articles 32.5.1 and 33.2.3.
Caloptilia cuculipennella (Hübner, 1796) was first discovered on the territory of Belarus. It is assumed that this species is distributed throughout the country. Fraxinus excelsior L., is indicated as a host plant. This species is the 7th representative of the genus Caloptilia Hübner, [1825] for the fauna of Belarus.
Inspection of green stands in order to identify representatives of the genus Phyllonorycter Hübner, 1822 (Lepidoptera: Gracillariidae, Lithocolletinae), which damage woody plants in Belarus, revealed a new species for the fauna – beech midget (Phyllonorycter maestingella (Müller, 1764)). In 2014 we discovered this new invasive insect pest of the beeches (Fagus spp.) in Belarus for the first time. During 2014–2018 leaf mines of Ph. maestingella were recorded in 2 localities, Minsk and Brest, on 3 hostplant species, Fagus sylvatica Linnaeus, 1753, Fagus grandifolia Ehrhart, 1788, and Fagus orientalis Lipsky (1898). It is important to note that American beech (F. grandifolia) is recorded as a new host plant for Ph. maestingella. A list of points of registrations is given. This species of Lithocolletinae is alien to the fauna, since all representatives of the genus Fagus L. are introduced into Belarus.
Malvaceae) выполнены в насаждениях Центрального ботанического сада НАН Беларуси (г. Минск). В период после завершения развития личинок первой генерации заселенность липовой мольюпестрянкой листовых пластинок нижней части крон в годы исследований не превышала 15 %, а по окончании развития личинок второй генерации -достигала 51 %. Значения данного показателя для разных лет исследований в ряде случаев различались более чем на порядок. Количество индивидуальных мин личинок Ph. issikii на О б р а з е ц ц и т и р о в а н и я:
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