Pseudopalaemon chryseus Kensley & Walker, 1982

Santos, Maria Aparecida Laurindo dos, Castro, Patrícia Madedo de & Magalhães, Célio, 2018, Freshwater shrimps (Crustacea, Decapoda, Caridea, Dendrobranchiata) from Roraima, Brazil: species composition, distribution, and new records, Check List (Washington, D. C.: 1974) 14 (1), pp. 21-35 : 29-31

Pseudopalaemon chryseus Kensley & Walker, 1982 ( Figs 5A–C, 12)

Identification characters ( Fig. 5A–C). Rostrum straight, very slightly curved upwards distally, overreaching distal margin of scaphocerite; rostral formula: 8–10(1–2 postorbital teeth)/3–7. Carapace smooth, with antennal and hepatic teeth present, branchiostegal suture indistinct; abdomen smooth, with pleura of second somite enlarged and overlapping pleuron of first and third somites. Tel- son with posterior margin triangular, ending in a distinct acute point, clearly overreached by inner pair of posterolateral spines. P2 similar in shape and size, chela as long as carpus.

Material examined. 21 males, 30 females (6 ovig.), 24 immat. spec. ( INPA 2353), Bonfim, vicinal do Tucano, unnamed igarapé, tributary of rio Tacutu, 03°33ʹ48.2ʺ N, 060°55ʹ43.8ʺ W, 27-II-2015, colls. M.A.L. Santos, I. R.S. Almeida, S.C. Emídio and F.C. Zanetti; 49 males, 110 females (1 ovig.), 270 immat. spec. ( INPA 2376), Bonfim, vicinal Tucano, unnamed igarapé, tributary of rio Tacutu, 03°25ʹ25.3ʺ N, 060°3ʹ44.1ʺ W, 26-II-2015, colls. M.A.L. Santos, I. R.S. Almeida, S.C. Emídio and F.C. Zanetti; 5 males, 6 females, 9 immat. spec. ( INPA 2358), Alto Alegre, Taiano region, unnamed igarapé, tributary of Uraricoera, 03°24ʹ45.0ʺ N, 061°09ʹ28.8ʺ W, 13-II- 2015, colls. M.A.L. Santos, I. R.S. Almeida and M.C.A. Santos; 6 spec. ( INPA 2410), Bonfim, BR 401 road, km 113, igarapé Arraia, tributary of rio Tacutu [03°21ʹ5ʺ N, 059°54ʹ12ʺ W], 29-X-1987, coll. V. Py-Daniel; 21 males, 21 females (7 ovig.), 8 immat. spec. ( INPA 2356), Boa Vista, on ponds along BR 174 road, rio Uraricoera basin, 03°18ʹ19.5ʺ N, 060°51ʹ31.6ʺ W, 08-II-2015, colls. M.A.L. Santos and I. R.S. Almeida; 3 males, 4 females ( INPA 2367), Boa Vista, unnamed igarapé, tributary of rio Uraricoera, 03°18ʹ17.2ʺ N, 060°51ʹ25.1ʺ W, 08-IX- 2014, colls. M.A.L. Santos, I. R.S Almeida and M.C.A. Santos; 2 males, 11 females (1 ovig.) 8 immat. spec. ( INPA 2366), Bonfim, Tucano region, igarapé Serra, tributary of rio Tacutu, 03°13ʹ57.0ʺ N, 060°08ʹ13.2ʺ W, 27-II-2015, colls. M.A.L. Santos and F.C Zanetti; 90 males, 244 females (49 ovig.) 640 immat. spec. ( INPA 2381), Bonfim, sítio Viana, unnamed igarapé on vicinal Caju, tributary of rio Tacutu, 03°4ʹ37ʺ N, 060°16ʹ20ʺ W, 27-II-2015, colls. M.A.L. Santos, F.C. Zanetti, S.C. Emídio and I. R.S. Almeida; 1 male, 5 female (1 ovig.) ( INPA 2370), Alto Alegre, unnamed igarapé, tributary of rio Cauamé, 02°57ʹ30.6ʺ N, 061°4ʹ45.8ʺ W, 31-X-2014, colls. M.A.L. Santos, I. R.S. Almeida, M.C.A. Santos and P.L.J. Lopes; 1 male, 16 females, 25 immat. spec. ( INPA 2390), Cantá, sítio Senhorinha, unnamed igarapé, tributary of rio Branco, 02°57ʹ29.0ʺ N, 060°32ʹ54.2ʺ W, 18-I-2015, coll. M.A.L. Santos; 3 males, 1 immat. spec. ( INPA 2336), Alto Alegre, igarapé Xiquibá, tributary of rio Uraricoera, 02°57ʹ14.47ʺ N, 061°35ʹ31.66ʺ W, 24-X- 1987, colls. V. Py-Daniel et al.; 4 females ( INPA 2345), Boa Vista, rio Cauamé, praia da Polar, 02°52ʹ N, 060°40ʹ W, 18-IV-2013, colls. C.C.O. Coelho, F.C. Zanetti, A.A. Otaviano and J. Gomes; 15 spec. ( INPA 2409), Boa Vista, rio Cauamé, praia Polar, 02°52ʹ N, 060°40ʹ W, 08-X-2010, colls. A.A. Otaviano, F.C. Zanetti, D.A. Texeira and R. Serafim; 38 males, 3 females, 7 immat. spec. ( INPA 2335), Cantá, fazenda Santa Cecília, tributary of rio Branco, 02°48ʹ24.2ʺ N, 060°37ʹ09.0ʺ W, 23-III-1992, colls. J. Zuanon and A.A. Gomes; 2 spec. ( INPA 2402), Cantá, igarapé Inácio, tributary of rio Branco, 02°45ʹ12.88ʺ N, 060°34ʹ17.04ʺ W, 18-X-2013, colls. N.P. Queiroz, L.F.P. Queiroz and M.A.L. Santos; 1 male, 6 females (1 ovig.) ( INPA 2389), Cantá, Serra Grande 1 road, igarapé Fuquia, tributary of rio Branco, 02°42ʹ25ʺ N, 060°40ʹ31ʺ W, 27-XI-2014, colls. M.A.L. Santos, I. R.S. Almeida and M.C.A. Santos; 8 males, 31 females, 12 immat. spec. ( INPA 2388), Boa Vista, sítio Honoroato, Água Boa, unnamed igarapé, tributary of rio Branco, 02°38ʹ44.4ʺ N, 060°48ʹ57.3ʺ W, 30-XI-2014, coll. M.A.L. Santos; 48 males, 9 females (1 ovig.) ( INPA 2323), Boa Vista, unnamed igarapé on BR 174 road to Pacaraima, tributary of rio Uraricoera, 02°9ʹ46.9ʺ N, 060°49ʹ52.5ʺ W, 29-VII-2014, colls. M.A.L. Santos, F.C. Zanetti, I. R.S. Almeida and M.C.A. Santos; 8 spec. ( INPA 2407), Caracaraí, Viruá National Park, unnamed igarapé, tributary of rio Branco, [01°48ʹ51.28ʺ N, 061°08ʹ04.18ʺ W], 15–16-VII-2008, coll. J.D. do Vale; 1 female ( INPA 2333), Caracaraí, rio Branco, [01°48ʹ51.28ʺ N, 061°08ʹ04.18ʺ W], 28-IX-2006, coll. L.H. Rapp Py- -Daniel; 5 males, 4 immat. spec. ( MIRR 80), Caracaraí, igarapé Bueiro, Perdida road, 01°25ʹ16.8ʺN, 060°59ʹ7.7ʺ W, date unknown, colls. P.M. Castro, C. R. Dias and J.C.P. Mota; 10 spec. ( INPA 2344), Caracarai, Caicubi, rio Jufari, 01°17ʹ09.35ʺ S, 061°55ʹ57.40ʺ W, 11-VI-2013, coll. F.C. Zanetti; 1 male, 2 ovig. females ( INPA 2346), Caracaraí, Terra Preta, igarapé Marixi, tributary of rio Xeriuni, 00°51ʹ52.916ʺ N, 061°57ʹ51.778ʺ W, 09-VI- 2013, coll. F.C. Zanetti; 22 males, 14 females, 45 immat. spec. ( INPA 2372), Rorainópolis, vicinal 20, vila Colina, igarapé Igília Saco, tributary of rio Jauaperí, 00°37ʹ17.0ʺ N, 060°33ʹ22.5ʺ W, 21-XII-2014, colls. M.A.L. Santos, B.C.A. Santos and N.L. Ferreira; 3 males, 17 females, 49 immat. spec. ( INPA 2363), Rorainópolis, vila Colina, unnamed igarapé on vicinal 20, tributary of rio Jauaperí, 00°37ʹ16.7ʺ N, 060°29ʹ53.9ʺ W, 21-XII-2014, colls. M.A.L. Santos, B.C.A. Santos and N.L. Ferreira.

Distribution. Colombia, Brazil (Amazonas, Amapá, Pará, Roraima [new record]) (see Pimentel and Magalhães 2014 for references; this study). The distribution in Roraima is depicted in Figure 12.

Remarks. The morphology of our specimens agrees with the description provided by Kensley and Walker (1992) and Melo (2003).