Hydaticus ricinus Wewalka, 1979

Ghosh, Sujit Kumar, 2018, Diving beetles (Coleoptera: Adephaga: Dytiscidae) of Namdapha National Park, Arunachal Pradesh, India, Records of the Zoological Survey of India 118 (2), pp. 156-156 : 156-

8. Hydaticus ricinus Wewalka, 1979 *

Material examined: District Changlang , Namdapha, Vijaynagar, 21.xii.1984, coll. S. Biswas , 01ex. (24166/ H4A); Gandhigram , 20.i.1985, coll. S. Biswas , 02ex. (24167/H4A); 27.i.1987, coll. S. Biswas, 14 ex. (24168/ H4A).

Distribution: India: Arunachal Pradesh, Assam, Tamil Nadu ( Ghosh and Nilsson, 2012), Chhattisgarh (Ghosh et al, 2014), Himachal Pradesh (Ghosh and Hegde, 2013), Madhya Pradesh (Jaiswal et al., 2014), Maharashtra (Ghosh, 2015). Elsewhere: Afghanistan, Bhutan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Laos, Thailand and Vietnam ( Ghosh and Nilsson, 2012).