Hydrometra okinawana Drake, 1951

Jehamalar, E. Eyarin & Chandra, Kailash, 2014, On the genus Hydrometra Latreille (Hemiptera: Heteroptera: Hydrometridae) from India with description of two new species, Zootaxa 3779 (5), pp. 501-517 : 514-516

Hydrometra okinawana Drake, 1951

( Figs. 6A–E )

Hydrometra okinawana Drake, 1951: 101 (type locality: Japan).

Material examined. INDIA, ANDAMAN AND NICOBAR ISLANDS, Nicobar District, Great Nicobar Island, GNBR, Gandhi Nagar, 16 ft, N 6°49.990’, E 93°53.991’, 23.iv.2012, 1 ♂ (micropterous), Coll. E. Eyarin Jehamalar, (Reg. No. 3157/H15). The examined material is deposited in National Zoological Collection, ZSI-HQ, Kolkata.

Diagnosis. ( Fig. 6A ). Micropterous ♂ length 8.63, width at metacetabula 0.55, n=1; colour, dark brown; anteclypeus long, conical with acute tip, narrow before apex ( Fig. 6B ); occurs in apterous, micropterous or brachypterous forms; anterolateral region of seventh abdominal sternum of male with a pair of thorn like projection on each side ( Figs. 6D, E ); caudal process of male very short ( Figs. 6C–E ).

Distribution: INDIA: Great Nicobar Island. Elsewhere: Borneo, Japan, Malaysia, Singapore and Thailand ( Drake, 1951, Miyamoto, 1964, Polhemus, 1992, Sites & Polhemus, 2003, Yang & Zettel, 2005).

Figures

FIGURES 6 A – E. Hydrometra okinawana, male: A, micropterous male, habitus, dorsal view; B, tip of head, dorsal view; C, genital segments, dorsal view; D, same, lateral view; E, same, ventral view.