Willungella

Seeman, Owen D. & Palmer, Christopher M., 2011, Parasitism of Apteropanorpa tasmanica Carpenter (Mecoptera: Apteropanorpidae) by larval Leptus agrotis Southcott (Acari: Erythraeidae) and Willungella rufusanus sp. nov. (Acari: Microtrombidiidae), Zootaxa 2925, pp. 19-32 : 26

Key to species of Willungella larvae [modified from Southcott (1994)]

1. Femur II with 6 setae; genu I with 3 solenidia; genu II–III with 2 solenidia........................ W. rufusanus sp. nov.

- Femur II with 5 setae; genu I with 2 solenidia; genu II–III with 1 solenidia......................................... 2

2. Short-legged species, with all femora <50 μm long; seta h2 (PDS) <55............................. W. leei Southcott

- Longer-legged species, with all femora> 50 μm long; seta h2 (PDS)> 55......................................... 3

3. Seta h2 (PDS) <100 μm long............................................................. W. willungae (Hirst)

- Seta h2 (PDS)> 100 μm long............................................................................ 4

4. On each side of anterior dorsal idiosomal scutum the bases of the AL scutula, sensillum and PL scutula are almost in line.................................................................................... W. obscura (Womersley)

- On each side of anterior dorsal idiosomal scutum the bases of the AL scutula, sensillum and PL scutula are not in line...................................................................................... W. australis (Womersley)