Polyblepharis

Çiftçi, Mustafa Cemal, Hasbenli, Abdullah & Canpolat, Derya, 2012, Two new species of Empis (Diptera: Empididae) from Turkey, Zootaxa 3408, pp. 47-53 : 51-52

Key to Turkish species of the E. ( Polyblepharis )

1 Legs yellow, yellowish-brown with black pattern or at least hind femur yellow.................................... 2

- Legs completely black or some part slightly brownish........................................................ 6

2 Scutum with 3 dark stripes on the lines of bristles, acrostichals and dorsocentral bristles 2–3 serial.................... 3

- Scutum with 4 stripes, the inner pair between the lines of bristles, acrostichals 4-serial, dorsocentral bristles multiserial..... 5

3 Legs yellow with black pattern, metapleural fan usually yellow with few black bristles. Male genitalia typically Polyblepharis - like structure: cylindrical basal part and loop-shaped apical part...................................... E. haemi Loew

- Legs completely yellow, only tarsi darkened, metapleural fan pale. Male genitalia long and disc-like................... 4

4 Smaller species, body 5–8 mm. First antennal segment yellowish-brown, abdominal hairs pale. Male fore tibia with fine dorsal hairs.................................................................................. E. spirifera Bezzi

- Larger species, body 9 mm. First antennal segment dark, abdominal hairs black. Male fore tibia with double row of dorsal bris- tles................................................................................. E. heliciphora Collin

5 Legs brownish black at least hind femur, mid and hind tibiae yellow, except the tip and base parts black...... E. soror Collin

- Legs mostly black, only mid and hind femora yellow, except the tip and base parts.................. E. pulchripes Loew

6 Haltere yellow....................................................................................... 7

- Haltere black....................................................................................... 9

7 Smaller species, body 5–7 mm. Metapleural fan black, scutum covered with black hairs and bristles, acrostichals 4-serial, dors- ocentral bristles multiserial, abdominal hairs black. Eyes in male separated on frons. Female palpus yellow, posterior four fem- ora ventrally and hind tibia on both sides broadly pennate....................................... E. lugubris Loew

- Larger species, body 8–12 mm. Metapleural fan yellow, scutum mostly with dense pale hairs, acrostichals and dorsocentral bristles not differentiated, abdominal hairs pale. Male eyes holoptic. Female palpus black, legs without pennate (in E. angorae female hind femur posteroventrally short pennate).......................................................... 8

8 Legs mostly black, hind legs and mid tibia and tarsi brownish. Scutum covered with whitish hairs, humeral and posthumeral bristles distinct, hind marginal bristles on abdomen present. Female hind femur posteroventrally short pennate................................................................................................... E. angorae Collin

- Legs completely black, scutum covered with golden-yellowish hairs, humeral, posthumeral and hind marginal bristles on abdomen absent. Female legs without pennate............................................ E. haemorrhoica Loew

9 Thorax and abdomen extensively with black hairs and bristles, metapleural fan black, lower part with whitish bristles, acros-

tichals and dorsocentral bristles multiserial and not differentiated................................. E. nigerrima Loew - Thorax and abdomen extensively with pale hairs and bristles, metapleural fan whitish, acrostichals and dorsocentral bristles differentiated........................................................................................ 10

10 Humeral bristle not differentiated from other hairs, acrostichals and dorsocentral bristles as long as 3rd antennal segment without stylus, acrostichals irregularly 6-serial..................................................... E. dedecor Loew

- Humeral bristle distinct, acrostichals and dorsocentral bristles shorter than E. dedecor , acrostichals at most 5-serial...... 11

11 Humeri (postpronotum) with white short hairs and a distinct humeral bristle, acrostichals and dorsocentral bristles black, acrostichals 4-5 serial, female hind femur ventrally with short pennation............................. E. engeli Chvála

- Humeri (postpronotum) with short black bristles and a distinct humeral bristle, acrostichal and dorsocentral bristles whitish, acrostichal bristles irregularly 3-5 serial, female legs without pennate............................. E. nabucco sp. nov.