Longicheles Valle, 1953

Özbek, Hasan Hüseyin, Bal, Durmuş Ali & Doğan, Salih, 2013, Two new species of the genus Longicheles Valle, 1953 from the Kelkit Valley, Turkey, with redescription Longicheles lagrecai (Valle, 1963) (Acari: Macrochelidae), Zootaxa 3709 (5), pp. 461-472 : 471

Key to species of the genus Longicheles Valle, 1953

1. Setae z1 pilose, bases of j1 adjacent to each other........................................................... 2

- Setae z1 smooth and needle-like, bases of j1 separated each other............................................... 3

2. Setae z5 smooth, ventri-anal shield wider than long.................................. L. mandibularis (Berlese, 1904)

- Setae z5 pilose, ventri-anal shield longer then wide..................................... L. hortorum (Berlese, 1904)

3. Anterior ends of peritremes surpassing bases of setae z1 ...................................................... 4

- Anterior ends of peritremes not surpassing bases of setae z1............................... L . longulus (Berlese, 1887)

4. Central process of epistome triangular..................................................................... 5

- Central process of epistome narrow....................................................................... 8

5. Setae z1 less than 100 long, dorsal setae j2 smooth........................................................... 6

- Setae z1 more than 100 long, dorsal setae j2 pilose........................................................... 7

6. Setae j5 pilose, dorsal shield 860–920 long..................................... L. ranzii (Valle & Mazzoleni, 1967)

- Setae j5 smooth, dorsal shield 800 long...................................... L. bianchii (Valle & Mazzoleni, 1967)

7. Moveable digit of chelicera less than 160 long, ventri-anal shield longer than wide, pre-anal setae long.................................................................................................... L. lagrecai (Valle, 1963)

- Moveable digit more than 160 long, ventri-anal shield wider than long, pre-anal setae short............ L. ayyildizi sp. nov.

8. Moveable digit of chelicera with only one distinct tooth between subterminal tooth and distal hook.................... 9

- Moveable digit with distinct tooth and a row of small teeth between subterminal tooth and distal hook................. 10

9. Setae z1 less than 70 long, setae z5 smooth, Zv2 smooth.......................... L. ilvana (Valle & Mazzoleni, 1967)

- Seta z1 more than 70 long, setae z5 distally pilose, Zv2 pilose...................................... L. ozkani sp. nov.

10. Setae j2 smooth, length of dorsal shield 760–783...................................... L. bulgaricus (Balogh, 1958)

- Setae j2 pilose, length of dorsal shield 837......................................... L. longisetosus (Balogh, 1958)