Krantziaulonastus species

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 135

Key to Krantziaulonastus species

(Females)

1. Setae d1 and d2 subequal in length. Setae f2 less than twice as long as f1 .......................................... 2

– Setae d1 and d2 unequal in length. Setae f2 at least 4 times longer than f1 ........................................ 3

2. Total body length more than 550–580. Hysteronotal shield present. Each medial branch with 2 chambers, each lateral branch with 5 chambers. Setae ag1 1.4 times longer than ag2 ........................ K. buczekae Skoracki, 2004 comb. nov.

– Total body length less than 465. Hysteronotal shield absent. Each medial and lateral branch with 3 chambers. Setae ag1 and ag2 subequal in length................................................. K. galbulicus Skoracki, 2008 comb. nov.

3. Length ratio of setae d2: d1 1:1.7–2. Setae ag1 1.5 times longer than ag2. Setae tc”III–IV 1.8 times longer than tc’III–IV ....................................................................................... K. oryzivorus sp. nov.

– Length ratio of setae d2: d1 1:4.5–6.5. Setae ag1 and ag2 subequal in length or setae ag1 slightly (1.2 times) longer than ag2. Setae tc”III–IV 1.3 times longer than tc’III–IV............................................... K. lonchurus sp. nov.