Libiocoris Kormilev 1957

Bai, Xiaoshuan, Yang, Chunwang & Cai, Wanzhi, 2006, First record of the genus Libiocoris Kormilev 1957 (Heteroptera: Aradidae) from China, with the description of two new species, Zootaxa 1370, pp. 39-47 : 40-41

Key to species of the genus Libiocoris Kormilev 1957

1 Metanotum not fused with first and second tergites...................................................... 2

- Metanotum fused with first and second tergites............................................................ 4

2 Abdominal spiracle II lateral and visible from above .................. L. indicus Heiss 1982

- Abdominal spiracle II ventral and not visible from above............................................ 3

3 Postocular tubercles blunt, reaching outer margin of eyes; without sulcus on medial plate of meso- and metanota ( Fig. 1 ) ......................... L. heissi Bai, Yang & Cai sp. nov.

- Postocular borders without tubercles; with shallow sulcus on medial plate of meso- and metanota ( Fig. 2 ) ............................................ L. sinensis Bai, Yang & Cai sp. nov.

4 Posteroexterior angles of seventh connexival segment forming large triangular lobes; large species, over 7.0 mm ..................................................... L. lobatus Kormilev 1968

- Posteroexterior angles of seventh connexival segment forming smaller lobes or processes; small species, less than 7.0 mm ........................................................................ 5

5 All spiracles lateral and visible from above .................................................................. 6

- Spiracles IV and V sublateral, placed close to margin, not visible from above............ 7

6 Genae as long as clypeus; without sulcus on medial plate of meso- and metanota ........ ............................................................................................ L. pilicornis Kormilev 1972

- Genae extending far beyond apex of clypeus; with deep sulcus on medial plate of meso- and metanota .......................................... L. antennatus Usinger & Matsuda 1959

7 First antennal segment shorter than head; posteroexterior angles of seventh connexival segment produced as far as segment IX (Ψ) ......................... L. poecilus Kormilev 1957

- First antennal segment longer than head; posteroexterior angles of seventh connexival segment not reaching tip of segment IX (Ψ) ...... L. angulatus Usinger & Matsuda 1959

Figures

FIGURE 1. Libiocoris heissi sp. nov. Ψ, holotype. Habitus. Scale bar = 0.695 mm.

FIGURE 2. Libiocoris sinensis sp. nov. Ψ, holotype. Habitus. Scale bar = 0.625 mm.