Patrus andamanicus (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 : 1303

Patrus andamanicus (Régimbart)

( Figures 8 (a), 16(a))

Orectochilus andamanicus Régimbart, 1884, p. 435 , pl. 12, fig. 138; Régimbart 1886: 265, pl. 4, fig. 14; Ochs 1924: 238; Ochs 1929c: 403.

Orectochilus (Patrus) andamanicus : Ochs 1930: 20; Vazirani 1977c: 292, 1984: 101, figs. 29B, 42B, 47E; Biswas et al. 1995: 133.

Orectochilus spiniger Vazirani, 1958: 17 .

Patrus andamanicus : Miller and Bergsten, 2012: 706–746.

Type locality

Andaman Island ( Régimbart 1884) .

Type material

‘ Andaman Island // co-type // 7586/H4 // genitalia on cover slip // Orectochilus andamanicus Régimbart //R’ [ NZSI] .

Additional material examined

INDIA: Andaman and Nicobar Islands: South Andaman, Herbertabad RV, 11.71176°N, 92.632004°E, 1 ex ., 18 January 1973 [26501/H4A].

Distribution in India ( Figure 16 (a))

Andaman and Nicobar Islands (Andaman Islands), Arunachal Pradesh (Siang), Odisha (Mayurbhanj), and West Bengal (‘Calcutta’ Kolkata).

Global distribution

China, India, Myanmar, and Vietnam.

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 16. Map of India showing the distribution of Indian species of Gyrinidae: (a) P. andamanicus, P. indicus; (b) P. choprai, P. coimbatorensis, P. cuneatus; (c) P. coronatus, P. cylindricus, P. cameroni; (d) P. cardoni, P. desgodinsi assamensis, P. desgodinsi desgodinsi.