Chauliops Scott

Gao, Cuiqing & Bu, Wenjun, 2009, Notes on fine structures of Chauliops with descriptions of two new species from China (Insecta: Hemiptera: Heteroptera: Malcidae), Zootaxa 2295, pp. 1-14 : 13

Key to the known species of Chauliops Scott from China

1 Antennal segment I longer than III ............................................................................................................................... 5

- Antennal segment I shorter than III .............................................................................................................................. 2

2 Body small, body length less than 2.0 mm; all femora mutic; general coloration pale, obscure yellowish, with most punctures concolorous ( Fig. 8 e) ...................................................................................................... C. bisontula Banks

- Body large, body length over 2.2 mm; hind femur usually armed with a spine, general coloration dark, obscure yellowish brown to blackish brown; with most punctures darker than body surface ........................................................ 3

3 Mesofemur mutic below; antennal segment II longer than IV; pronotum not conspicuously declivent anteriorly; eye inconspicuously produced anterior-laterally ( Fig. 8 f) ................................................................. C. horizontalis Zheng

- Mesofemur armed below with a spine; antennal segments II and IV equal or nearly equal; pronotum declivent anteriorly; eye conspicuously produced anterior-laterally ................................................................................................. 4

4 Distal 2/3 of all femora and proximal 1/2 of all tibiae dark brown; body length over 2.50 mm; general coloration dark brown to blackish brown; spermatheca with the uncoiled spermathecal duct ( Fig. 8 g) ........ C. zhengi Xue et Bu

- Distal 1/3 of all femora and proximal 1/3 of all tibiae with dark brown narrow rings; body length less than 2.40 mm; general coloration yellowish brown; spermatheca with the coiled spermathecal duct ( Fig. 8 c) ..... C. quaternaria sp. nov.

5 Basal 1/3 of tibiae darker; spermatheca with a tightly coiled spermathecal duct; lateral lobe of pygophore subquadrate ( Fig. 8 d)............................................................................................................................................ C. fallax Scott

- Basal and apical 1/3 of tibiae each with a dark brown ring, or basal 1/3 of tibiae dark brown and distal 1/3 of tibiae with a dark brown ring; spermatheca with a nearly uncoiled spermathecal duct; lateral lobe of pygophore triangular ( Fig. 8 a, b) .......................................................................................................................................... C. conica sp. nov.

Figures

FIGURE 8. (a) Chauliops conica sp. nov., dorsal view; (b) Chauliops conica sp. nov., lateral view; (c) Chauliops quaternaria sp. nov., dorsal view; (d) Chauliops fallax Scott, dorsal view; (e) Chauliops bisontula Banks, dorsal view; (f) Chauliops horizontalis Zheng, dorsal view; (g) Chauliops zhengi Xue et Bu, dorsal view. Scale bar equal 1 mm.