Nine new species of Enithares (Heteroptera: Notonectidae) from New Guinea, with distributional notes on other species and an updated world checklist Author Polhemus, Dan A. text Zootaxa 2020 2020-05-07 4772 1 132 182 journal article 22330 10.11646/zootaxa.4772.1.5 b14b0d0d-cf67-4895-965c-12792c622b21 1175-5326 3814079 B497198A-08CD-4A21-AE04-14390499853B 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.