Key to species of the genus Aulobia

(females)

* species occurring in the Nearctic region.

1. Setae vi and si subequal in length. Hysteronotal shield fused to pygidial shield............. A. dendroicae Kethley, 1970 *

- Setae si 1.6–3 times longer than vi. Hysteronotal shield not fused to pygidial shield................................. 2

2. Each lateral branch of peritremes with 18–20 chambers............... A. cardueli Skoracki, Hendricks and Spicer, 2010 *

- Each lateral branch of peritremes with max. 15 chambers...................................................... 3

3. Agenital setae ag2 shorter than 100................................................ A. leucostictus Skoracki, 2011

- Agenital setae ag2 longer than 120....................................................................... 4

4. Setae f1 longer than 90.................................................... A. virens Skoracki and Dabert, 2001

- Setae f1 shorter than 65................................................................................ 5

5. Length of setae si 85–105............................................................................... 6

- Length of setae si 150–230............................................................................. 7

6. Coxal fields I and II densely punctate. Lateral branch of peritremes with 14 chambers. Setae ve and si subequal in length.............................................................. A. stachyris (Bochkov, Mironov and Skoracki, 2000)

- Coxal fields I and II sparsely punctate. Lateral branch of peritremes with 8–10 chambers. Setae si 1.5 times longer than ve .................................................................... A. nectariniae Skoracki and Glowska, 2008

7. Length of setae vi 45 –50. Infracapitulum densely punctate.................................................... 8

- Length of setae vi 65 –85. Infracapitulum sparsely punctate or apunctate......................................... 9

8. Total body length 985–1,030. Each branch of peritremes with 13–15 chambers...... A. sylviae Bochkov and Mironov, 1998

- Total body length 875. Each branch of peritremes with 7 chambers........ A. sylviettae (Fain, Bochkov and Mironov, 2000)

9. Hysteronotal shield weakly sclerotized, posterior margin not reaching bases of setae e2 .................................................................................................. A. erythroptera Skoracki and Dabert, 2001

- Hysteronotal shield well sclerotized, posterior margin reaching bases of setae e2 ................................. 10

10. Length ratio of setae ag3: f2 1:1. Hysteronotal shield apunctate................... A. cisticolae Skoracki and Sikora, 2003

- Length ratio of setae ag3: f2 1:1.6. Hysteronotal shield punctate.............. .. A. anthreptes Skoracki and Glowska, 2008