Tohlezkus, Vit

Jałoszyński, Paweł & Wakimura, Ryotaro, 2023, A new genus, new species and new records of Eucinetidae in Japan and Taiwan (Coleoptera), Zootaxa 5351 (1), pp. 122-138 : 131

Key to species of Tohlezkus

1 Apical rod-like portion of maxillary palpomere 4 slightly longer than 1/3 length of entire palpomere................... 2

- Apical rod-like portion of maxillary palpomere 4 slightly shorter than 1/4 length of entire palpomere................... 4

2 Antennomeres 3–5 each 1.2–1.5 × as wide as long............. T. ponticus Vít [southern European Russia, Asian Turkey]

- Antennomeres 3–5 each twice as wide as long.............................................................. 3

3 In dorsal view, anterior frontoclypeal margin rounded, lacking lateral angles; mesal margins of distal antennomeres with a few remarkably long setae..................................................... T. inexpectus Vít [southeastern USA]

- In dorsal view, anterior frontoclypeal margin truncate, with distinct lateral angles; distal antennomeres only with short, inconspicuous setae............................................................... T. orientalis Vít [ Taiwan]

4 Posterior marginal carina of anterior metaventral process forming broadly obtuse angle at middle; triangular median region of metaventrite about as long as half-length of metacoxal plate; lateral margin of metacoxal plate strongly rounded, especially in anterior half.............................................. T. rufus (M. Sakai) [ Japan: Honshȗ, Kyȗshȗ, Shikoku]

- Posterior marginal carina of anterior metaventral process forming inversely U-shaped anterior expansion at middle; triangular median region of metaventrite about as long as 1/3 length of metacoxal plate; lateral margin of metacoxal plate barely noticeably rounded, and in anterior half straight............................. T. uminchu Jałoszyński sp. n. [ Japan: Okinawa Is.]