ABSTRACT
Hitherto, around 50 species of the genus Ameroseius are known worldwide, among 12 recorded in Europe. Commonly the descriptions concern females only, thus males or nymphal stages remain unknown. Aim of this study was to describe a male of Ameroseius ulmi Hirschmann, 1963 with multiple drawings and adjactent measures. Moreover, to provide a key to males of the genus Ameroseius occuring in Europe.
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Disclosure statement
No potential conflict of interest was reported by the author(s).