Patrus andamanarum (Ochs), 2025

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 : 1302-1303

Patrus andamanarum (Ochs) comb. n.

( Figures 8 (c), 15(d))

Orectochilus scalaris ssp. andamanarum Ochs, 1925, p. 200 .

Orectochilus scalaris : Régimbart 1884: 430, pl. 12, fig. 134; Régimbart 1892b: 705; Zimmermann 1917: 168.

Orectochilus andamanarum : Ochs 1927b: 244.

Orectochilus (Patrus) andamanarum : Ochs 1930: 19; Vazirani 1984: 82, figs. 24C, 39B, E.

Type locality

Andamans ( Ochs 1925).

Type material

‘ Type // Andamans, Ind. Mus., // 3396/20 // Orectochilus scalaris andamanarum Ochs’ [ NZSI] .

Additional material examined

INDIA: Andaman and Nicobar Islands: South Andaman, Port Blair , 11.63431°N, 92.736294°E, 1 ex ., 2 April 1915 [7585–7586/H4].

Distribution in India ( Figure 15 (d))

Andaman and Nicobar Islands (Andaman Islands).

Figures

Figure 8. Habitus of type specimens (in dorsal view) with attached label data: (a) Orectochilus andamanicus Régimbart, co-type [current name: P. andamanicus (Régimbart)]; (b) O. annandalei Ochs, type [current name: P. annandalei]; (c) O. scalaris andamanarum Ochs, type [current name: P. andamanarum]; (d) O. cavernicola Ochs, type [current name: P. cavernicola].

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.