A new Helluodes Westwood species from Western Ghats with notes on habitat, distribution and phylogenetic relationships of genera Helluodes Westwood and Physocrotaphus Parry of the tribe Physocrotaphini Chaudoir (Insecta: Coleoptera: Carabidae: Anthiinae)
Author
Sabu, Thomas K.
Litter Entomology Research Unit, P. G. & Research Department of Zoology, St. Joseph's College, Devagiri, Calicut, Kerala, 673008, India Department of Entomology, College of Natural Resources & Environment, South China Agricultural University, Wushan, Guangzhou, 510640, China Corresponding author. E-mail: sabukthomas @ gmail. com
sabukthomas@gmail.com
Author
Abhitha, Prabhakar
Litter Entomology Research Unit, P. G. & Research Department of Zoology, St. Joseph's College, Devagiri, Calicut, Kerala, 673008, India Department of Entomology, College of Natural Resources & Environment, South China Agricultural University, Wushan, Guangzhou, 510640, China Corresponding author. E-mail: sabukthomas @ gmail. com
Author
Zhao, Danyang
text
Zootaxa
2008
2008-04-09
1745
1
30
46
https://biotaxa.org/Zootaxa/article/view/zootaxa.1745.1.3
journal article
10.11646/zootaxa.1745.1.3
11755334
5108342
Key to the species of
Helluodes
Westwood
1. Anterior margin of labrum with a distinct median emargination between rounded anterior angles (
Fig. 12
); anterior angles of pronotum expanded, rounded and weakly acute; pronotum distinctly sinuated anterior to posterior angles; posterior angles of pronotum strongly reflexed and sharp at apex (
Fig. 14
); ligula slen- der, widest at middle; TLA = 25–27.5
....................................................................
H. westwoodi
Chaudoir.
- Anterior margin of labrum nearly straight or slightly emarginated between rounded anterior angles; anterior angles of pronotum expanded and rounded; pronotum weakly sinuated anterior to posterior angles; posterior angles of pronotum weakly reflexed and blunt at apex (
Figs. 8, 11
); ligula slender and narrower towards apex................................................................................................................................................2
2 Anterior margin of labrum distinctly crenulate with 4 distinct indentations between anterior angles (
Fig. 6
); maxillary palpomere 4 truncate and broadly dilated from middle to apex (
Fig. 7
); TLA = 24–26.2 ...... ..................................................................................................................................
H. devagiriensis
n.sp.
- Anterior margin of labrum without crenulation and slightly emarginate between anterior angles (
Fig. 9
); maxillary palpomere 4 roundly narrowed at apex and roundly dilated from middle to apex (
Fig. 10
); TLA = 24.5
..................................................................................................................
H.taprobanae
Westwood.