Amydrostylus Lamas, Falaschi & Evenhuis

Lamas, Carlos J. E., Falaschi, Rafaela L. & Evenhuis, Neal L., 2015, A new genus and species of micro bee flies from Brazil (Diptera: Mythicomyiidae: Psiloderoidinae), Zootaxa 3955 (3), pp. 403-416 : 404

Amydrostylus Lamas, Falaschi & Evenhuis gen. nov.

Type-species: Amydrostylus triadicophallus Lamas, Falaschi & Evenhuis sp. nov. (here designated).

Diagnosis. Antennae with minute apical stylus ( Figs 17–19 ), vein Sc ending in C, and br same length as bm (Figs 6–7). Male genitalia well developed, 3/4 abdomen length ( Figs 10 , 20, 29–35).

Etymology. The generic epithet derives from the Greek amydros, meaning indistinct, and stylus, in reference to the tiny apical stylus of antenna of the species. The specific epithet derives from the Greek roots triadikos, meaning triple, and phallus, in allusion to the trifid aedeagus of this species.

Figures

FIGURES 12 – 19. Amydrostylus triadicophallus gen. nov. et sp. nov., female paratype, SEM. 12, head lateral view; 13, head frontal view; 14, chaetotaxy of area around scape; 15, ocellar tubercle; 16, first flagellomere, with sensorial pits; 17, second flagellomere; 18 – 19, second flagellomere, detail of the minute stylus.

FIGURES 10 – 11. Amydrostylus triadicophallus gen. nov. et sp. nov. 10, male habitus (holotype); 11, female habitus (paratype). Scale bar: 1 mm.