Zorotypus

Mashimo, Yuta, Yoshizawa, Kazunori, Engel, Michael S., Abd, Idris, Dallai, Romano, Beutel, Rolf G. & Machida, Ryuichiro, 2013, Zorotypus in Peninsular Malaysia (Zoraptera: Zorotypidae), with the description of three new species, Zootaxa 3717 (4), pp. 498-514 : 511-512

Key to species of Zorotypus in Peninsular Malaysia

1. Matte brown in coloration; abdominal T2–6 covered with short setae; S5 with a pair of weakly sclerotized circular areas..................................................................................... Zorotypus impolitus sp. n.

- Glossy brown in coloration; abdominal T2–6 with a single transverse row of moderately-long setae; S5 without weakly sclerotized circular areas..................................................................................... 2

2. Male genitalia with posterior region bifurcate, forming slender, paired branches; female S9 with anteromedian projection not bifurcated...................................................................... Zorotypus cervicornis sp. n.

- Male genitalia with posterior region bifurcated, forming stout, paired branches; female S9 with anteromedian projection bifurcated.............................................................................................. 3

3. Body size ca. 2 mm; male genitalia with long, slender, anterior tongue-like process................... Zorotypus caudelli

- Body length much greater than 3 mm; male genitalia with broad, robust, anterior tongue-like process................................................................................................ Zorotypus magnicaudelli sp. n.