Enithares metallica Brooks, 1948

Polhemus, Dan A., 2020, Nine new species of Enithares (Heteroptera: Notonectidae) from New Guinea, with distributional notes on other species and an updated world checklist, Zootaxa 4772 (1), pp. 132-182 : 175

Enithares metallica Brooks

Enithares metallica Brooks 1948: 38

Material examined. MALAYSIA, Pahang: 1 male (dissected) , 1 female, Lata Iskander waterfall, 18 km. N. of Tapah along Cameron Highlands road, 455 m ., [4°19′28′′N, 101°19′29′′E], 18 August 1985, CL 2074, J. T. Pol- hemus and D. A. Polhemus ( USNM) . BURMA, Shan Division : 2 males, 2 females, Inle Lake area, forest stream above Mong Hsawk , 10 km. S. of Nyaungshwe, 955 m ., 20°34′37′′N, 96°57′51′′E, water temp. 21.5° C., 23 October 1998, CL 4020, D. A. Polhemus & J. T. Polhemus ( USNM) . VIETNAM, Lai Châu Prov.: 4 males (1 dissected) , 6 females, small tributary streams to Lai River at Lai Châu, 230 m ., 22°02′35′′N, 103°10′03′′ E, water temp. 23° C., 10 April 2000, 16:00–18:00 hrs., CL 4408, D. A. Polhemus, J. T. Polhemus and P. Nguyen ( USNM) ; 1 male, 6 females, streamlet in hills, 28 km. SW of Tûan Giáo , 215 m ., 21°33′15′′N, 103°16′43′′ E, water temp. 25° C., 12 April 2000, 11:30–11:45 hrs., CL 4411, D. A. Polhemus, J. T. Polhemus and P. Nguyen ( USNM) . Lào Cai Prov.: 3 males, 3 females, cascading stream 20 km. NE of Sa Pa on Lào Cai road, 565 m ., 22°26′20′′N, 103°55′36′′ E, water temp. 19° C., 9 April 2000, 12:15–14:30 hrs., CL 4406, D. A. Polhemus, J. T. Polhemus and P. Nguyen ( USNM) . Ninh Thuan Prov.: 4 males, 4 females, first small stream on E. side of Belleview Pass ( Ngoan Muc Pass ), 66 km. NW of Phan Rang, pools and cascades, 915 m ., 11°50′25′′N, 108°39′21′′E, water temp. 24° C., 12 May 1998 and 26 March 2001, CL 3087, J. T. Polhemus ( USNM) ; 4 males, 4 females, spring fed stream in granite at shrine on E. side of Belleview Pass ( Ngoan Muc Pass ), 58 km. NW of Phan Rang, 700 m ., 11°50′41′′N, 108°39′57′′E, water temp. 724° C., 12 May 1998, CL 3089, J. T. Polhemus ( USNM) . Lam Dong Prov.: 5 males, small rocky stream at Lang Biang Mtn., 12 km. N. of Dalat, 1465 m., 12°01′12′′N, 108°25′27′′E, water temp. 20° C., 11 May 1998, CL 3084, J. T. Polhemus ( USNM) ; 5 males, 5 females, 2 immatures, tributary stream to main river at Suoi Vang, 1430 m., 11°59′26′′N, 108°22′06′′E, water temp. 21° C., 11 and 18 May 1998, CL 3085, J. T. Polhemus ( USNM) . Binh Dinh Prov.: 4 males, 4 females, spring fed stream on E. side of An Khe Pass, 15.5 km. E. of An Khe on Hwy. 19, 365 m ., 13°57′53′′N, 108°45′48′′E, water temp. 22 °C., 14 March 2001, CL 4293, J. T. Polhemus and P. Nguyen ( USNM) .

Ecological notes. The range of this species includes Thailand, Vietnam and Peninsular Malaysia ( Lansbury 1968). The records above serve to further clarify the range of this species in Vietnam, where it is commonly encountered.