Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 65. (Budapest 1973)

Mihályi, F.: Description of two new Fanniinae species from Hungary (Diptera, Muscidae)

Description of Two New Faiiniinae Species from Hungary (Diptera. Muscidae) By F. MIHÁLYI, Budapest Abstract — A new genus, Hennigomyia gen. n., and two new species, Hennigo­myia aenigmatica sp. n., and Fannia argentea sp. n. are described from Hungary. When elaborating the Muscidae of the Hungarian Natural History Museum, collect­ed since the destruction of the Diptera collection in 1956,1 found 4375 Fanniinae belong­ing to 4 genera and 45 species. Of the material, 4129 specimens could be identified by recourse to literature and collection; the remaining 246 specimens were relegable either to undescribed species or were unusual forms of known species. Among them, there were two groups considerably differing from the known species, and a good series from both, thus 1 feel it necessary to describe them. One of them has so peculiar genital organs, that it cannot be assigned to any known genus, therefore 1 erect a new genus for it. Hennigomyia gen. n. Characterized by the highly special form of male genitalia, and the relatively broad irons of the male (nearly equal to that of the supposed female). Colour of body and legs completely black. Type-species (and the only known species of the genus) : Hennigomyia aenig­matica sp. n. The generic key may include the new taxon as follows : 1 (2) Arista plumose Piezura ROND., Platyeoenosia STRÓBL, 2(1) Arista at most shortly pubescent. 3 (4) Mouth-edge strongly protruding Coelomyia HALIDAY 4 (3) Mouth-edge not or hardly protruding. 5 (6) Male genitalia with two well-separated disciform end-parts, each armed with a strong falciform thorn directed backwards. Male frons 1 /5 to 1 /6 head-width (suppos­ed female frons a little broader, 1/4.5 head-width) Hennigomyia gen. n. 6 (5) Male genitalia with a single end-part, frons-width usually differing considerably in both sexes Fannia ROB. - DESV. I dedicate the new genus to prof. W. HEXXIG, for his fundamental contributions to the systematics of Muscidae.

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