Ortochile, Latreille, 1809

Grichanov, I. Ya. & Nourti, M., 2021, Notes on taxonomy and distribution of some Ortochile Latreille, 1809, Sybistroma Meigen, 1824 and Teuchophorus Loew, 1857 (Diptera: Dolichopodidae) species from Mediterranean Region, Russian Entomological Journal 30 (2), pp. 189-195 : 190

KEY TO THE SPECIES OF ORTOCHILE (MALES)

This key is built on Parent [1938] and Stackelberg [1941] but has modifications based on material examined for the present study. The species distribution follows Yang et al. [2006].

1. Fore coxa with white hairs, long and dense; femora mainly yellow, with hind femur black at apex; lower postocular setae multiserial; hind tarsus and three middle segments of mid tarsus distinctly thickened; body length 4–5 mm ( Spain) ................................. O. barbicoxa Strobl, 1909

— Fore coxa with black hairs, short and sparse; femora mainly or entirely black; lower postocular setae uniserial; tarsi simple or differently modified ............................. 2

2. Mid tarsus with segments 1-4 yellow, long and thin, segment 5 black, flattened and widened; body length 3–4 mm ( France, Italy, Malta) ........ O. soccata Loew, 1850

— Mid tarsus simple, entirely black ................................ 3

3. Legs entirely black; proboscis at most as long as height of head; epandrial lobe thin; body length 3 mm ( Morocco, Spain) .................................. O. morenae ( Strobl, 1899)

— At least tibiae mainly or entirely yellow; proboscis about 2 times as long as height of head; epandrial lobe broad, clavate; body length 3–5 mm (West and South Europe, North Africa, Middle East) .............................................. O. nigrocoerulea Latreille, 1809 ; O. unicolor Loew, 1850