Scirtes

Yoshitomi, Hiroyuki, 2009, The Scirtes (Coleoptera: Scirtidae: Scirtinae) of Micronesia, Zootaxa 1974, pp. 1-16 : 1-2

Key to species of the genus Scirtes from Micronesia

1. Body length (TL) 1.97–2.51 mm .................................................................................................................2

- Body length (TL) 2.75–4.58 mm .................................................................................................................3

2. Elytra black, with white maculation .......................................................................... S . albotaeniatus sp. n.

- Elytra yellowish brown, without maculation ......................................................... S . babeldaobensis sp. n.

3. Body shape oval; caudal margin of male sternite VII concave; sternite IX of male indistinct..................4

- Body shape oblong-oval; caudal margin of male sternite VII arcuate; sternite IX of male well sclerotized, Y-shaped.....................................................................................................................................................5

4. Tegmen and penis separate; penis trilobite apically ................................................ S . micronesianus sp. n.

- Tegmen and penis connected; penis bilobed apically ......................................................... S . gressitti sp. n.

5. Elytra black (yellowish brown in some specimens), with orange marginal stripes; sternite IX short, with short scale-like setae along inner margins of apical part; parameres subtriangular ..... S . palauensis sp. n.

- Elytra evenly yellowish brown; sternite IX long, with long setae along inner margins of apical part; apico- lateral margin of parameres serrate ................................................................................ S . tinianensis sp. n.