Austronothrus

Colloff, Matthew J. & Cameron, Stephen L., 2014, Beyond Moa’s Ark and Wallace’s Line: extralimital distribution of new species of Austronothrus (Acari, Oribatida, Crotoniidae) and the endemicity of the New Zealand oribatid mite fauna, Zootaxa 3780 (3), pp. 263-281 : 270

Key to species of Austronothrus

1. With most marginal and caudal notogastral setae long, flagelliform, strongly overlapping; centrodorsal setae very short, spini- form................................................................. A. flagellatus Colloff & Cameron, 2009

- With most marginal and caudal notogastral setae relatively short, not overlapping or only slightly, setiform, subequal to centro- dorsal setae or shorter................................................................................. 2

2. Setae h 2 and h 1 sub-equal in length; marginal and centrodorsal setae very short, sub-equal; ten pairs of genital setae.............................................................................................. A. kinabalu sp. nov.

- Setae h 2 markedly shorter than setae h 1; with seven or eight pairs of genital setae................................... 3

3. With eight pairs of genital setae..................................................... A. curviseta Hammer, 1966

- With seven pairs of genital setae.......................................................................... 4

4. Setae of c series sub-equal in length............................................ A. clarki Colloff & Cameron, 2009

- Setae c 2 markedly shorter than c 1 and c 3..................................................... A. rostralis sp. nov.