Sciapus species

Kazerani, Farzaneh, Khaghaninia, Samad, Talebi, Ali Asghar & Grichanov, Igor, 2015, GenusSciapus (Diptera: Dolichopodidae) in Iran, with description of one new species and new records, Acta Entomologica Musei Nationalis Pragae 55 (1), pp. 401-409 : 402-403

Key to males of Sciapus species known to occur in Iran

1 Tarsi with one or more segments enlarged or bearing remarkable setae. ....................... 2

– All tarsi simple. .............................................................................................................. 4

2 Fore tarsus simple, mid tarsus modified; 3rd–4th segments of mid tarsus with black ventral setae. .................................................... S. medvedevi Negrobov & Selivanova, 2009

– Fore tarsus modified, mid tarsus simple. ........................................................................ 3

3 1st–4th segments of fore tarsus with black ventral hairs longer than diameter of tarsus. ....................................................................... S. iranicus Grichanov & Negrobov, 2014

– 3rd and 4th segments of fore tarsus compressed, black, with short hairs. ........................ ............................................................................................ S. flavicinctus (Loew, 1857)

4 Cerci free from base; surstylus deeply bifurcated ( Figs 7–8 ). .......................................... ......................................................................... S. talebii Kazerani & Grichanov sp. nov.

– Cerci free in distal half; surstylus bifurcated from mid length, with narrow curved lobes. .............................................................................................................................. 5

5 Abdomen yellow, with green bands on the lateral margin of tergites ( Fig. 12 ); cercus half as long as surstylus; surstylus with simple setae ( Fig. 14 ). ............................................... ............................................................................................. S. heteropygus Parent, 1926

– Abdomen dark green, sometimes with yellow spots on the basal segments ( Fig. 9 ); surstylus very broad, about 2 times higher than process of cercal projection ( Fig. 11 ). ........ .......................................................................... S. basilicus Meuffels & Grootaert, 1990

Figures

Figs 7–8. Sciapus talebii Kazerani & Grichanov sp. nov. 7 – hypopygium, left lateral view; 8 – dorsal view of cerci, surstyli and epandrial lobes.

Figs 9–14. 9–11 – Sciapus basilicus Meuffels & Grootaert, 1990: 9 – male habitus, lateral view; 10 – lateral view of head; 11 – lateral view of hypopygium. 12–14 – Sciapus heteropygus Parent, 1926: 12 – male habitus, lateral view; 13 – dorsolateral view of head; 14 – lateral view of hypopygium.