Abacarus Keifer

Navia, Denise, Flechtmann, Carlos H. W., Lindquist, Evert E. & Aguilar, Hugo, 2011, A new species of Abacarus (Acari: Prostigmata: Eriophyidae) damaging sugarcane, Sacharrum officinarum L., from Costa Rica — the first eriophyoid mite described with a tibial seta on leg II, Zootaxa 3025, pp. 51-58 : 57

Key to adult females in the genus Abacarus Keifer from sugarcane, Saccharum spp.

1. Tibia of leg II with a seta; seta sc (6–8 µm) reaching at most to 3rd dorsal annulus; epigynum with two rows of transverse lines basally............................................................................ Abacarus doctus n. sp.

- Tibia of leg II without a seta; seta sc longer, reaching at least to 4th dorsal annulus; epigynum with longitudinal lines and/or basal rows of microtubercles............................................................................ 2

2. Prodorsal shield with median line complete, sparsely granular................... Abacarus delhiensis ChannaBasavanna

- Prodorsal shield without or short median line, smooth......................................................... 3

3. Scapular seta s c (11–15 µm) reaching 4th dorsal annulus; empodium 6-rayed.......................................................................................... Abacarus queenslandiensis Ozman-Sullivan, Amrine & Walter

- Scapular seta s c (18 µm) extending beyond 7th dorsal annulus; empodium 7-rayed.... Abacarus sacchari ChannaBasavanna