The apterous endemic genus Omphra Dejean (Coleoptera: Carabidae: Helluonini) of the Indian subcontinent: taxonomy with notes on habits and distributional patterns Author Raj, Shiju T. Post Graduate and Research Department of Zoology The New College, Royapettah Chennai- 670014, Tamil Nadu, INDIA shijutraj@gmail.com Author Sabu, Thomas K. Litter Entomology Research Unit Post Graduate and Research Department of Zoology St. Joseph’s College, Devagiri Calicut- 673008, Kerala, INDIA sabukthomas@gmail.com Author Danyang, Zhao Zhao Danyang Department of Entomology College of Natural Resources and Environment South China Agricultural University, Wushan Guangzhou- 510640, CHINA text Insecta Mundi 2012 2012-02-29 2012 206 1 15 journal article 7452 10.5281/zenodo.4670934 0c820dc3-bd71-4eba-902e-59bd37283060 1942-1354 4670934 Omphra rotundicollis Chaudoir, 1872 Figures 7 , 9 , 14 Omphra rotundicollis Chaudoir, 1872: 140 ; Andrewes 1930: 237 ; Csiki 1932: 1578 ; Lorenz 2005: 511 ; Zhao et al. 2008: 369 . Description. Color. Dorsal side black, ventral side brownish red; labrum, mentum and legs brownish red. Dorsal and ventral body setae grey. Head. Labrum transversely not extended; clypeus 2-6 setose. Mentum round in shape, median tooth with 2 setae, base of mentum with 3 setae. Last maxillary and labial palpomere dilated. Last antennomere elongate oval. Pronotum. Strongly convex, not rounded or wholly rounded, widest in middle or apical one-third. Lateral margins weakly sinuate in front of posterior angles, base weakly emarginate laterally. Scutellum . Densely or sparsely punctated. Elytra. Not oval, widest after middle; humerus not pronounced; intervals weakly convex. Apex obliquely truncate, without emargination. Genitalia. Male: Apical lamella wide or narrow; pointed or rounded at apex. Female: Stylomere 1 without setae at apical rim; stylomere 2 with two setae at ventro-lateral margin. Measurements. Male (n=7), TL = 14.0 and 17.0, TW = 5.0 and 5.7, PL = 3.2 and 3.7, PW = 3.9 and 4.5, EL = 8.0 and 10.0. Female (n=3), TL = 15.0 and 18.0, TW = 5.5 and 6.0, PL = 3.5 and 3.8, PW = 4.1 and 4.7, EL = 8.0 and 10.0. Specimens examined (n=110). Holotype . INDIA : Eastern India, Coll. Chaudoir ex coll. Dejean , 1 female ( MNHN ). Madura , Zolyndicottes , ex. coll. Courgouin , det. H.E. Andrewes , 1 male ; Sco. Ent. Belg., Coll. Putzeys , det. H.E. Andrewes , 1 sex undetermined. INDIA : Bengale , Coromandel , Genji , Coll on Le Moult , Natuaraliste , Paris , Coll. M , 8 males , 2 females , 2 sex undetermined; Coromandel , Genji , 6-8, 1903, R.P. Autemard , 4 males , 3 females , 1 sex undetermined; Coromandel , Genji , Coll on Le Moult , Natuaraliste , Paris , Coll. M , 3 males , 1 female ; Tamil Nadu , Trichinopoly [=Thiruchirapally], 1905, Leg. R.P. du Breuil , 37 males , 21 females , 18 sex undetermined; Trichinopoly, R.P . Castels, 1905, 2 males ; Shanbaganur , Coll on Le Moult , Naturaliste , Paris , Coll. M , 1 female ; St. Thomas Mount , XII-1950 , P. Susai Narhan I.G. 17816, 1 male , 1 female ; Madurai , unknown collector, 1 male ; Madurai , Collection E. Rousseau , 1 sex undetermined ( ISNB ). Distribution. India . Remarks. Omphra rotundicollis is most similar to O . hirta with grey colored body setae and pointed elytral apex. The less pronounced elytral humerus distinguishes it from O . hirta .