Aulonastus species

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 154

Key to Aulonastus species

(Females)

1. Setae f2 and h2 subequal in length................................ A. sturnellus Skoracki, Hendricks and Spicer, 2010

– Setae h2 distinctly longer than f2 ........................................................................ 2

2. Setae c1 and se subequal in length........................................................................ 3

– Setae c1 1.2–1.5 longer than se ......................................................................... 5

3. Length ratio of setae f1: f2 1:2.8–3....................................................................... 4

– Length ratio of setae f1: f2 1:1.4–2.................................................. A. lusciniae Skoracki, 2002

4. Setae h2 21 times longer than h1 and f1. Setae c1 and d2 subequal in length. Each medial branch of peritremes with 1 chamber, each lateral branch with 6 chambers..................................................... A. pipili Kethley, 1970

– Setae h2 11–12 times longer than h1 and f1. Setae c1 1.2 times longer than d2. Each medial branch of peritremes with 2 chambers, each lateral branch with 5 chambers.......................... A. pirangus Skoracki, Hendricks and Spicer, 2010

5. Setae f2 twice as long as f1 ............................................................................. 6

– Setae f2 3–4 times longer than f1 ........................................................................ 8

6. Propodonotal shield constricted posteriorly, bearing bases of setae ve, si and c1 Setae e2 1.5 –2 times longer than d1 .................................................................. A. emberizicus Skoracki, Hendricks and Spicer, 2010

– Propodonotal shield rectangular in shape, bearing bases of setae ve, si, se and c1 Setae e2 and d1 subequal in length...... 7

7. Length of aggenital setae ag1 and ag2 55.................................................... A. anthus sp. nov.

– Length of aggenital setae ag1 and ag2 80–95............................................... A. fringillus sp. nov.

8. Length ratio of setae f1:f2 1:2.8–3.3..................................................................... 9

– Length ratio of setae f1:f2 1:4.......................................................................... 10

9. Each medial branch of peritremes with 1 chamber. Length ratios of setae f2: h2 and ag1: ag2 1:3 and 1.2–1.4:1. Length of setae ag2 40–45................................................... A. euphagus Skoracki, Hendricks and Spicer, 2010

– Each medial branch of peritremes with 2 chambers. Length ratios of setae f2: h2 and ag1: ag2 1:4 and 1:1. Length of setae ag2 65–80............................................................. A. prunellae Bochkov and Mironov, 1999

10. Propodonotal shield constricted posteriorly, bearing bases of setae ve, si and c1. Aggenital setae ag1 and ag2 subequal in length................................................................................ A. lanius sp. nov.

– Propodonotal shield rectangular in shape, bearing bases of setae ve, si, se and c1. Aggenital setae ag1 1.2–1.5 times longer than ag2 ............................................................................................... 11

11. Lengths of setae se, d2, e2 and ag2 145–170, 130–145, 35–45 and 60–70 respectively................. A. loxius sp. nov.

– Lengths of setae se, d2, e2 and ag2 125, 105–120, 20 and 50–55 respectively................... A. albus Skoracki, 2002