Ranatra longipes longipes Stål, 1861

Tran, A. D. & Zettel, H., 2021, Taxonomy of the Ranatra biroi group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of two new species, Raffles Bulletin of Zoology 69, pp. 507-521 : 516-517

Ranatra longipes longipes Stål, 1861

( Fig. 4A )

Ranatra longipes Stål, 1861: 203 (type locality: Java, Indonesia).

Material examined. SINGAPORE: 1 male, 1 female ( ZRC.6.15400–01), Buona Vista Road, fish pond, [coll. unknown], [date unknown] .

BRUNEI: 2 males, Brunei , Damuan River, lowland stream, 04°51′N, 114°48′E ( GPS), coll. H. Zettel, 14 June 2007 (4) ( NHMW).

MALAYSIA – West: – Selangor : 1 male, N. Selangor, peat swamp forest, coll. P. K. L. Ng, September 1992 ( ZRC) . – Johor: 1 male, Johor, Tg. Sedili, S. Selangi, coll. Chia Yi, 22 April 1992, 792B ( ZRC) ; 1 male, 1 female, Johor, between Pekan Nanas to Pontian, no vegetation, coll. K. L. Yeo, 4 March 1992, #Y781B ( ZRC) ; 1 male, 1 female, Johor, 8 km fr. Pontian, Prt Sikom, coll. K. L. Yeo et al., 14 May 1992, 796c ( ZRC) ; 1 male, Johor, Ayer Baloi , coll. C. M. Yang & K. L. Yeo, 4 March 1992 ( ZRC) ; 1 male, Johor, stream between 35 and 36 milestones along Mersing to Kluang Road, coll. P. K. L. Ng, June 1985 ( ZRC) .

Schödl, 11 February 1991 (12a) ( NHMW) ; 1 male, West Sumatra, Nature Reserve Harau, 90 km from Padang Panjang, coll. Bujang, 1991 ( NHMW) ; 1 male, West Sumatra, Solok , [coll. unknown], July 1992 ( NHMW) .

INDONESIA – Java: 1 male, 2 females , Java, Bogor, Ciomas , coll. H. H. Tan, 10 July 1996, THH9667 ( ZRC); 3 males, 3 females , Java, Yogyakarta, Kali Progo , coll. T. B. Lim, 28 June 1997, JV0006A ( ZRC); 2 males, 4 females , Java, Yogyakarta, Kali Progo , coll. T. B. Lim, 29 June 1997, JV0006B ( ZRC); 1 male , Java, Yogyakarta, Gampulong , coll. T. B. Lim, 29 June 1997, JV0007 ( ZRC); 1 male, 1 female , West Java, Bogor , coll. Hamann, 195[!] ( NHMW) . MALAYSIA – Sarawak: 1 male , Sarawak, Miri , coll. H. H. Tan, 26 September 1996, THH96111 ( ZRC); 1 male, 1 female , Sarawak, Marudi , coll. H. H. Tan, 27 September 1996, THH96114 ( ZRC); 1 male, 1 female , Sarawak, MK94-55 ( ZRC) . – Sabah: 3 males, 2 females , 4 nymphs ( ZRC.6.18700), Sabah, Sg. Kinabatangan, puddle nr. Danau Biandum Besar, coll. H. K. Lua & C. Y. Chang, 12 April 1994, LHK237; 2 males, 3 females , Sabah, 10–12 km before Beaufort on Kota Kinabalu to Beaufort road, peat swamp, blackwater, coll. P. Ng & R. Stuebing, 29 December 1992 ( ZRC) .

INDONESIA – East Kalimantan: 1 male , Kalimantan Timur, Mahakam basin, coll. H. H. Tan & D. Wowor, 2 December 1999, THH99106 ( ZRC); 1 male, 5 females , Kalimantan Timur, Mahakam basin, coll. H. H. Tan & D. Wowor, 10 November 1999, THH9973 ( ZRC); 1 male, 2 females , Kalimantan Timur, Mahakam basin, coll. H. H. Tan & D. Wowor, 11 November 1999, THH9977 ( ZRC) .

INDONESIA – Sumatra: 2 males, 3 females, Sumatra, Jambi, coll. H. H. Tan, 24 July 1997, THH9741 ( ZRC) ; 1 male, Sumatra, Jambi, Pijoan, Danau, Setpadang , coll. H. H. Tan, 8 June 1996, THH9649 ( ZRC) ; 1 male, 1 female, S. Sumatra, Sg. Sentang, coll. H. H. Tan, 27 July 1997, THH9744 ( ZRC) ; 3 males, 5 females, Sumatra, ca. 80 km south of Medan , coll. H. H. Tan, 15 June 1996, THH9659 ( ZRC) ; 16 males, 18 females, 1 nymph, Sumatra, Jambie , coll. H. H. Tan, 6 June 1996, THH9644 ( ZRC) ; 1 male, Sumatra, Jambi, Danau Pinang , lake in forest connected to Sg. Pijoan, coll. M. Kottelat & H. H. Tan, 28 May 1994, MK94-30 ( ZRC) ; 1 male, Sumatra, Lemba Harau , coll. S . INDONESIA – Kundur Island: 1 male, 1 female, 1 nymph, Kundur I., Riaus Is., Parit Gantung Sebesi , Tg. Batu Dist. , coll. H. K. Lua & D. Wowor, 12 October 1998, LHK0397 ( ZRC) ; 2 males, 1 female, Kundur I., Riaus Is., about 7 km from Tg. Batu , coll. H. K. Lua & D. Wowor, 13 October 1998, LHK0398 ( ZRC) .

INDONESIA – Lombok Island : 1 male, Lombok, Suranadi, coll. M. A. Jäch, 3 February 1988 (14) ( NHMW) .

Diagnosis. Body length: males 21.5–25.5, females 24.0–27.0; siphon length ca. 0.65–0.85× body length; lorum about as high as clypeus; vertex higher than eye, with low conical tubercle; eye width ca. 1.2× interocular width; space between middle coxae about 0.9× space between hind coxae; posterior margin of metasternum convex; hind femur, when folded back parallel to body, slightly surpassing apex of operculum (in both sexes); paramere slender, apical hook strongly recurved, inner margin of hook with incipient obtuse elevation, tip of hook usually truncated.

Remarks. Tran & Polhemus (2012) reported that the distribution of R. longipes longipes overlaps with that of R. thai in the southern part of Peninsular Malaysia (Johor) only, and that it does not extend to the northern part of Peninsular Malaysia. Here, we report the first record of this subspecies from Selangor, in western Peninsular Malaysia. This record suggests further overlap between the distribution ranges of R. longipes longipes and R. thai .

Distribution. Peninsular Malaysia (Johor; first record for Selangor), Singapore, Borneo, Sumatra, Java, Bali, Sulawesi Tenggara ( Lansbury, 1972; Nieser & Chen, 1991; Tran & Polhemus, 2012; Polhemus & Polhemus, 2013). First records for Lombok and Kundur ( Indonesia).

Figures

Fig. 4. Parameres of Ranatra species. A, R. longipes longipes, from Brunei; B, R. cardamomensis, from Natuna Island (ZRC_ ENT00013061); C, R. cardamomensis, from southern Thailand (ZRC_ENT00013063). B, C same scale. Note that the paramere hook of the Thai specimen (Fig. 4C) recurved further after being dry-mounted from an alcohol-preserved specimen; while still in alcohol, the apex was same as that in the type specimens.