Prosphyracephala aff. succini (Loew, 1873)

Perkovsky, E. E., Mostovski, M. B. & Henderickx, H., 2015, New Records Of The Dipteran Genera Triphleba (Phoridae) And Prosphyracephala (Diopsidae) In Rovno And Baltic Ambers, Vestnik Zoologii 49 (3), pp. 245-250 : 248

Prosphyracephala aff. succini (Loew, 1873) ( fig. 1 , d, e)

M a t e r i a l. SIZK K-25549, sex unknown, Klesov, Rovno amber, Late Eocene. Syninclusions: K-25549a, Acari, spiderweb, numerous stellate hairs; K-25550, leg of Cicadinea, Oribatei.

The specimen was obtained on Ukramber factory (Rovno) and was found in the Pugach quarry.

The external eye to eye distance (which is used as a parameter for the eye-stalk length) of the Rovno specimen is 2.50 mm, fitting in the ratio of P. succini ( Kotrba, 2004) . Also the overall habitus directs to this species. However, a micro-CT scan might perhaps reveal optically blurred details with more information, so it would be better to determine this specimen tentatively as Prosphyracephala aff. succini , especially because this Rovno specimen has a different origin than the Baltic specimens. It is the first record the Diopsidae from the Ukraine.

Figures

Fig. 1. Triphleba schulmanae: a — lateral view, b — dorsal view, c — anterodorsal view, with exposed bifurcate antennae; Prosphyracephala aff. succini: d — habitus, e — wings; Prosphyracephala kerneggeri: f — ventral, g — dorsal; Prosphyracephala succini: h — habitus.