Ranatra parmata Mayr, 1865

Ranatra parmata Mayr, 1865 View in CoL

Ranatra parmata Mayr, 1865: 446 View in CoL ( type locality: Java). — Lansbury, 1972: 298–299 (redescription). — D. Polhemus & J. Polhemus, 2013: 33–34 (diagnosis, distribution records).

Type material examined. Holotype (female, NHMW), “Novara Exp / Jawa.” (hand-writing label, also with labels showing it was det. by Mayr and det. by Lansbury ).

Additional material examined. MYANMAR: 1 female ( NHMW), Sagaing Division, Alaungdaw Katthapa National Park, Pagoda Stream , 400 m a.s.l., 22°18′33.6″N, 94°27′40.74″E, coll. D. Boukal et al., 6 May 2003 GoogleMaps .

THAILAND: 1 male ( ZRC), Narathiwat Province, Nam Tok Sipo , downstream, coll. H.H. Tan et al., 24 October 1998 , THH9891/LHK407; 1 female ( ZRC), Phuket, Nam Tok Kathun , coll. P.K.L. Ng & H.H. Tan, 8 April 1999 , THH9917; 1 male, 2 females ( NHMW), Sakhon Nakhon Province, Phu Pan N.P., 480–520 m a.s.l., coll. P. Schwendinger, 7–8 December 1995 ; 2 females ( NHMW), Phetchabun Province, 36 km SE Sila , N Ban Nam Nao, Ban Pala Yai, coll. H. Zettel, 25 November 1995 ; 1 female ( NHMW), Phrae Province, 50 km NE Phrae, Huai Kaet, Kaet river , coll. H. Zettel, 17–18 November 1995 ; 1 male ( NHMW), Chiang Mai Province, Chiang Dao, Ban Yang Thung Pong , 500 m a.s.l., coll. H. Zettel, 8 November 1995 ; 3 males, 1 female ( NHMW), Chonburi, Ko Chang , 12°02′N, 102°18′E, coll. F. Seyfert, 26 October–3 November 2002 GoogleMaps ; 4 males, 2 females ( NHMW), Khon Kaen Province, Nam Phong N.P., Huai Khae, stream, 250 m a.s.l., coll. H. Zettel & N. Tubtim, 9 January 2009 ; 1 male ( NHMW), Khon Kaen Province, Phu Wiang N.P., Huai Bong , stream, pools, 260 m a.s.l., coll. H. Zettel & N. Tubtim, 11 January 2009 ; 1 male ( NHMW), Khon Kaen Province, Phu Wiang N.P., Tad Fa Waterfall , stream, 540 m a.s.l., coll. H. Zettel & N. Tubtim, 11 January 2009 .

MALAYSIA ( West): Kedah: 1 male, 1 female ( NHMW), Central Langkawi , Air Tejun, near Kampung Buku, small stream, coll. H. Zettel, 22 November 2006 [published in Zettel & Tran, 2009]. Perlis: 1 male ( ZRC), Perlis , Kg. Wang Kelian, Sg. Burma, coll. H.K. Lua, 20 December 2000 , LHK0439. Selangor: 1 male, 1 female ( ZRC), Selangor, Ulu Yam , in stream, coll. T.M. Leong & G. Lim, 20 September 2002 ; 2 males, 1 female, 1 nymph ( ZRC), Selangor, Ulu Gombak , upland pond nr. send bridge, coll. C.M. Yang et al., 16 November 1995 , YCM87; 1 male ( ZRC), Selangor, Sg. Gombak tributary, Ulu Gombak , coll. H.K. Lua et al., 5 May 1996 , LHK0303; 1 male ( ZRC), Selangor, Ulu Gombak , coll. H.K. Lua et al., 6 May 1996 , LHK0304.

MALAYSIA ( East ): Sarawak: 1 male, 1 female ( ZRC), Sarawak, Ulu Katibas, coll. Y.Y. Goh, 14 November 1997 , GYY027; 3 males, 3 females ( ZRC), Sarawak , Sg. Engkabang?, coll. Y.Y. Goh, 17 & 19 November 1997 , GYY034; 1 male ( ZRC), Sarawak , Sg. Menyarin, coll. Y.Y. Goh, 15 November 1997 , GYY028; 1 male ( NHMW), ca 40 km SE Kapit, Rumah Ugap Ng, marating bene Kapit Sut, coll. J. Kodada, 3 April 1994 ; 1 female ( NHMW), Kelabit Highlands, 5 km E Bareo, Pa Ukat , c. 1,000 m a.s.l., river, coll. M. Jäch, 1 March 1993 . Sabah: 2 males ( ZRC), Danum , coll. H.H. Tan, 2 October 1996, THH96123 ; 1 female ( ZRC), Maliau Basin, Heath forest stream, coll. T.B. Lim & K.L. Yeo, 22 May 1996 ; 1 male ( ZRC), Sandakan, Sepilok, Sepilok-Kabili Forest Reserve , Rainforest Discovery Centre , Sungei “Kingfisher” cascade, coll. H.H. Tan, 14 May 2019 , THH19-19.

INDONESIA: East Kalimantan: 2 males ( ZRC), Mahakam basin, Sg. Lorni, coll. H.H. Tan, 24 March 2000 , THH0016; 1 female ( ZRC), Mahakam basin, feeder to Sg. Hajuq, coll. H.H. Tan, 29 March 2000 , THH0022; 1 male ( ZRC), Kayan basin, Sg. I’sau, coll. H.H. Tan, 26 November 1999, THH99102 ; 1 female ( ZRC), Kalimantan Timur, Makaham subdistrict, Sg. Lomi and feeder streams, coll. H.H. Tan, 22 March 2000 , THH0011. Nias: 1 female ( NHMW), South Nias, Lahusa, Gomo , 0–300 m a.s.l., coll. M. Jäch, 9–11 February 1990 . Java: 1 female ( NHMW), Badang, [18]96, Cons. Schild . Bali: 2 females ( NHMW), Baturiti, coll. M. Jäch, 1 February 1988 . Lombok : 1 female ( NHMW), Pemenang , coll. M. Jäch, 19 February 1988 .

Diagnosis. Body length: males 30–33, females 34–37; ratio of siphon length: body length ca. 0.3–0.35; lorum lower than clypeus and without nodule dorsally; ratio of eye width: interocular width ca. 0.7; posterior width of pronotum ca. 1.25× anterior width; pronotal length ca. 1.7× fore coxa length; hemelytra reaching posterior margin of abdominal tergum VI; posterior margin of metasternum emarginated, with very narrow sublateral grooves, sometimes indistinct; fore femur on flexor side with a median tooth and a median carina, without pre-apical tooth; hind femur, when folded back parallel to body reaching about mid-length of abdominal sternum VI (in both sexes); paramere: ventral side before apical hook with large process bearing pointed tip nearly touching apical hook, hook relatively short with pointed tip.

Distribution. Thailand, Laos, Vietnam, China ( Hainan), Andaman Islands, Langkawi Island, Peninsular Malaysia, Borneo ( Sabah, East Kalimantan), Nias, Sumatra, Java, Lombok, Sumbawa, Sumba ( Lansbury, 1972; J. Polhemus & Starmühlner, 1990; Zettel & Tran, 2009; D. Polhemus & J. Polhemus, 2013; Tran & Nguyen, 2016; Tran & Poggi, 2019). First records for Sarawak (Borneo) and Bali.