Orectochilus castesi Régimbart

Gupta, Devanshu, Sonali, Shipra, Wani, Irtiza, Ghosh, Priyanka, Ghosh, Asim Kumar & Ghosh, Sujit Kumar, 2025, A comprehensive taxonomic review of Indian Gyrinidae (Coleoptera): new combinations, geographic distribution, and annotated species checklist, Journal of Natural History 59 (17 - 20), pp. 1267-1338 : 1299-1300

Orectochilus castesi Régimbart

( Figures 7 (e), 15(b))

Orectochilus castesi Régimbart, 1892b, p. 709 .

Orectochilus (Orectochilus) castesi : Ochs 1930: 18; Vazirani 1984: 37, figs. 17A, C.

Type locality

Kodaikanal ( Régimbart, 1892b).

Material examined

INDIA: Kerala: Waynad, Kalindi River, Thirunelly , 11.902387°N, 75.997751°E, 1 ex ., 22 March 1994, leg . K .C . Gopi [30499/H4A] .

Distribution in India ( Figure 15 (b))

Kerala (Waynad, Kalindi River, Thirunelly) and Tamil Nadu (Kodaikanal, Palni Hills, Tiruchirappalli ‘Trichinopoly’, ‘Madras’ Chennai).

Figures

Figure 7. Habitus (in dorsal view): (a) Gyrinus (Gyrinus) convexiusculus (Macleay); (b) G. (G.) distinctus Aubé; (c) G. smaragdinus Régimbart; (d) Metagyrinus arrowi (Régimbart); (e) Orectochilus castesi Régimbart; (f) O. murinus murinus Régimbart.

Figure 15. Map of India showing the distribution of Indian species of Gyrinidae: (a) Gyrinus convexiusculus, G. distinctus, G. smaragdinus; (b) Orectochilus assimilis, O. castesi, M. arrowi; (c) Patrus ahlwarthi, O. murinus murinus, O. murinus occidentalis, O. nuristanicus himalayensis, O. orbisonorum; (d) P. aenipennis, P. andamanarum, P. annandalei, P. brincki, P. cavernicola.