Two new species of Hydrellia (Diptera: Ephydridae) from Central Europe, with redescriptions of H. aurifer and H. frontalis

Zatwarnicki Tadeusz, Kejval Zbyněk
Acta Entomologica Musei Nationalis Pragae 64(2): 345-353, 2024
Published online: 12th December 2024
Views: 62
Abstract: Two species of Hydrellia Robineau-Desvoidy, 1830 (Diptera: Ephydridae) are newly described: Hydrellia dolezali sp. nov. and H. pilsna sp. nov., both from the Czech Republic. Redescriptions and new records of H. aurifer Cresson, 1932 and H. frontalis Loew, 1860 from the Czech Republic and the United Kingdom are given. The first case of sexual dimorphism in wing coloration in Hydrellia is provided.
Key words: Diptera, Ephydridae, host plants, leaf-miners, male terminalia, sexual dimorphism, Czech Republic, United Kingdom, Palaearctic Region