Cirolana leptanga Bruce, 1994

Bruce, Niel L., 2017, Review of the species of the Cirolana ‘ parva - group’ (Cirolanidae: Isopoda: Crustacea) in Indonesian and Singaporean waters, Zootaxa 4317 (3), pp. 401-435 : 414

Cirolana leptanga Bruce, 1994

Cirolana leptanga BruCe, 1994: 378 , figs 1–4.— RodCharoen, BruCe & Pholpunthin 2016: 1980 .

Type and type locality. The holotype is held at ZMUC and the type locality Tripod Reef, Madang lagoon, PNG, 5°09.8'S, 145°51.3'E ( ZMUC CRU186 ).

Material examined. All Indonesia. 10 ♂ (3.4, 3.5, 3.7, 3.7, 3,9, 5.6, 5.8, 6.0, 6.1, 6.1 [dissected] mm, average 4.6 mm), 22 ♀ (4.6–6.9 mm, average 5.5 mm), Pulau Serena, Bitung, 1°27'15.804''N, 125°13'29.532''E, 18 July 2014, trap 50 m, coll. C.M. Sidabalok and party ( MZB Cru.Iso 065). 3 ♂ (4.0, 4.6, 5.5 mm), same data as previous (MTQ W52896).

Remarks. Cirolana leptanga is characterised by the lack of setal fringe on male pereopod 1, pleonite 3 extending beyond posterior of pleonites 4 and 5, penial openings separated by 17% of sternal width, and the uropod apices shallow subequal bifid with the lateral process prominent. Some specimens from Bitung have the appendix masculina bent laterally but otherwise do not differ from the original description. Similar species to Cirolana leptanga have been discussed thoroughly by Bruce (1994).

Distribution. Papua New Guinea at Madang ( Bruce 1986) and North Sulawesi ( Fig 1 ).

Figures

FIGURE 1. Distribution map of Cirolana ‘ parva group’ in Indo-Australian region (C – H, Indonesia; I, PNG; J – K, Australia). LoCation symbols: A = Thailand, B = Singapore, C = Lombok, D = Bitung, E = Pulau Pombo, Maluku, F = Raja Ampat, G = Kei Islands, H = Kaimana, I = Madang, J = Lizard Island, K = HinChinbrook Island. SpeCies symbols: Cirolana andamanensis (-), Cirolana arafurae (×), Cirolana improceros (v), Cirolana leptanga (O), Cirolana siamensis (O), Cirolana stenoura (A), Cirolana thailandica (Ł), Cirolana molari (Ɨ), Cirolana peisanae (+), Cirolana duo (Ŧ).