Cyanopenthe Nikitsky, 1998

Hsiao, Yun, Pollock, Darren A. & Barclay, Maxwell V. L., 2015, Two new species of Cyanopenthe Nikitsky from Taiwan (Coleoptera, Tetratomidae, PentHinae), Zootaxa 4058 (4), pp. 578-588 : 588

Key to the world fauna of the Genus Cyanopenthe Nikitsky, 1998

1. Pronotum densely and coarsely punctate; scutellum bronzed or reddish bronzed, triangular, without distinct impression ( Fig. 1 ). Bhutan and North India..................................................... C. metallica ( Champion, 1916)

- Pronotum sparsely and finely punctate; scutellum black, transverse, with rounded apex, with distinct, dark rounded impression in middle........................................................................................... 2

2. Antennomeres III–V slightly more slender, projections of antennomeres VIII–IX longer than that of antennomere X ( Fig. 8 ); paraproct shorter, about 1.2X as long as wide ( Fig. 27 ). Thailand................... C. thailandica Nikitsky, 1998 ( Fig. 2 )

- Antennomeres III–V slightly thicker, projections of antennomeres VIII–IX as long as or shorter than that of antennomere X; paraproct longer, about 1.4–1.6X width. Taiwan............................................................. 3

3. Elytra and abdomen more rounded ( Fig. 15 ), ratio of body width to length 1.0:1.4–1.5; anterolateral margin of pronotum more rounded ( Fig. 13 ); aedeagus: lateral margins of apical piece of tegmen slightly convergent distally, median lobe about 1.05X as long as tegmen; ovipositor: proctiger slightly wider in ventral view............................... C. taiwana sp. nov.

- Elytra and abdomen more elongated ( Fig. 16 ), ratio of body width to length 1.0:1.5–1.6; anterolateral margin of pronotum less rounded ( Fig. 14 ); aedeagus: lateral margins of apical piece of tegmen subparallel to slightly divergent distally, median lobe about 1.10X as long as tegmen; ovipositor: proctiger slightly more slender in ventral view................ C. leei sp. nov.

Figures

FIGURES 1 – 6. Habitus, dorsal view: 1. Cyanopenthe metallica (Champion, 1916), female holotype; 2. C. thailandica Nikitsky, 1998, female holotype; 3 – 4. C. taiwana sp. nov., 3: male holotype, 4: female paratype; 5 – 6. C. leei sp. nov., 5: male paratype, 6: female holotype. Scale bars = 5 mm. (Figure 2 from Nikitsky, 1998)

FIGURES 7 – 12. Antenna: 7. Cyanopenthe metallica (Champion, 1916); 8. C. thailandica Nikitsky, 1998 (from Nikitsky, 1998); 9 – 10. C. taiwana sp. nov., 9: male, 10: female; 11 – 12. C. leei sp. nov., 11: male, 12: female. Scale bars = 0.5 mm.

FIGURES 26 – 29. Ovipositor, ventral view: 26. Cyanopenthe. metallica (Champion, 1916); 27. C. thailandica Nikitsky, 1998; 28. C. taiwana sp. nov.; 29. C. leei sp. nov. Scale bars = 0.5 mm. (Figures 27 from Nikitsky, 2005)

FIGURES 15 – 16. Abdomen: 15. Cyanopenthe taiwana sp. nov., paratype female; 16. C. leei sp. nov., holotype female. Scale bar = 1.0 mm.

FIGURES 13 – 14. Right half of pronotum: 13. Cyanopenthe taiwana sp. nov.; 14. C. leei sp. nov. Scale bar = 0.5 mm.