Scathophaga stercoraria (LINNAEUS, 1758)

Šifner, František, 2020, Scathophaga karmazini nov. sp., a new species from Austria, with a key to Scathophaga species from Central Europe (Diptera, Scathophagidae), Linzer biologische Beiträge 52 (1), pp. 731-757 : 737

Scathophaga stercoraria (LINNAEUS, 1758) ( Figs 49–52 )

M a t e r i a l e x a m i n e d: CZECH REPUBLIC: Olomouc (6469), meadow, 1♂, 1♀, 10.iv.1959, Šifner leg. (FSPC).

D i a g n o s i s. Male. The submedial processes of sternite wide, the lateral parts of sternite elongated only moderately, sternites 4 and 3 rectangular ( Fig. 49 ), surstyli wide basally, arched and pointed apically ( Fig. 50 ), pregonite narrow with two long setae: apical and latero-dorsal ( Fig. 51 ).

Female. The abdominal sternite 7 divided into three separate sclerites: two lateral sclerites connected by hyaline membrane and one distal sclerite predominantly of roughůy circular shape; this sclerite resembles a separate sternite. Sclerites 6 and 5 are more or less oval with two distinct bristles latero-caudally ( Figs 52 a, b, c, d ).

D i s t r i b u t i o n. Widely distributed, virtually Holarctic species known in all Central European countries ( ŠIFNER 2018).

Figures

Figs 49-52. Scathophaga stercoraria (LINNAEUS, 1758). (49) male abdominal sternites 5 to 3; (50) cerci and surstyli (caudal view); (51) right pregonite; (52a,b,c,d) the shape of female abdominal sternites 7 to 5. Scale bars: 0.5 mm (Figs 49, 50, 52a,b,c,d); 0.1 mm (Fig. 51).