Indasclera haemorrhoidalis

Poloni, Riccardo, 2023, Four new species of Indasclera Švihla from the Oriental Region (Coleoptera Oedemeridae), Zootaxa 5336 (3), pp. 433-440 : 439

Key for the I. haemorrhoidalis species-group:

1 Elytra yellow to orange, not dark and without metallic tinge................................................... 2

- Elytra green-olivaceous, sometimes with a slight metallic tinge..................................................3

2 Head yellow or orange..................................................................................4

- Head green or sooty....................................................................................7

3 Last abdominal segment, femora and head yellow, elytral venation faint, but subhumeral vein visible....... unicostata (Pic)

- Last abdominal segment, femora and head green-olivaceous, elytral venation absent...................... .. josefi Švihla

4 First two antennal segments completely yellow or dark brown, abdomen only partly yellow.......................... 5

- First two antennal segments only partly yellow, abdomen completely yellow, parameres well developed with two long apical apodemes (Figs. 13,15)................................................................................ 6

5 First two antennal segments yellow, elytra egg-yolk yellow, first abdominal segment egg-yolk yellow, pronotum distinctly longer than wide, parameres short, not developed into long apical apodemes ( Fig. 11 ), aedeagus short, with a well-developed apical hook directed dorsally ( Fig. 12 )........................................................... thibetana Pic

- First two antennal segments sienna, elytra tangerine, first abdominal segment sienna, pronotum as long as wide ( Fig. 10 ), genitalia unknown....................................................................... thailandica n. sp.

6 Femora yellow only in the basal third, parameres divergent ( Fig. 13 ), aedeagus with a dorsal subapical spine ( Fig. 14 ).............................................................................................. nigripes Švihla

- Femora completely yellow, parameres convergent ( Fig. 15 ), aedeagus curved ventrally and with an apical hook directed dorsally ( Fig. 16 )................................................................................ laosensis Švihla

7 Pronotum dark green, femora completely yellow, parameres shorter ( Fig. 17 ), aedeagus straight, with a well-developed hook curved dorsally ( Fig.18 )............................................................... haemorrhoidalis (Pic)

- Pronotum yellow with a pair of dark green pre-basal spots, parameres longer ( Fig. 19 ), aedeagus with a blunt kook ( Fig. 20 )…..................................................................................... binotata (Pic)

Figures

FIGURES 11–20. 11–12: Indasclera thibetana (Pic). 11: tegmen; 12: aedeagus. 13–14: I. nigripes Švihla. 13: tegmen; 14: aedeagus. 15–16: I. laosensis Švihla. 15: tegmen; 16 aedeagus. 17–18: I. haemorrhoidalis (Pic). 17: tegmen; 18: aedeagus. 19–20: I. binotata (Pic). 19: tegmen; 20: aedeagus. Drawings modified from Švihla (1997, 2004, 2009).

FIGURES 7–10. 7–9: Indasclera pusilla n. sp., holotype. 7: habitus (dorsal view); 8: tegmen; 9: aedeagus. 10: Indasclera thailandica n. sp., holotype, habitus (dorsal view).