New species and records of Asellota from the Indian Ocean (Crustacea: Peracarida: Isopoda) Author Kensley, B Author Schotte, M text Journal of Natural History 2002 36 1421 1461 journal article 1464-5262 Joeropsis dimorpha sp. nov. (gure 6F–I) Type material. HOLOTYPE : USNM 253215 , 1.6 mm , sta K-SEY-16, algal turf on dead coral, Mahé Island , Seychelles , 2–3 m , 1 May 1984 . PARATYPES : USNM 253216 , 10 1.0– 1.6 mm , three 1.2–1.5 mm , sta K-SEY-16, same data as holotype ; USNM 253217 , 21 , eight, sta K-SEY-21, clumps of Amphiroa on reef at, Mahé Island , Seychelles , 1 m , 25 February 1989 . Other material. USNM 253218 , 18 , four ovigerous, three, sta K-SEY-22, algal turf on granite boulders, Mahé Island , Seychelles , 25 February 1989 ; USNM 253219 , one, nine, sta K-SEY-23, algal turf on reef crest, Mahé Island , Seychelles , 25 February 1989 ; USNM 253220 , one, sta K-SEY-34, encrusting coralline algae, Anse Royale , Mahé Island , Seychelles , 15 August 1992 ; USNM 253221 , one, sta K-AL-14, dense clumps of Halimeda alga on dead coral heads, Cinq Cases , Aldabra , 3 April 1983 . Diagnosis. Rostrum as long as wide, subcircular. Lateral margins of cephalon entire. Lateral margins of pleotelson bearing four teeth. Uropodal basis with mesiodistal corner rounded. Red-brown pigment in female fairly dense, somewhat reticulated, on cephalon and pereonites 1–4; in male, on cephalon, pereonites 1–4, 6–7 plus pleotelson, concentrated along midline, pereonite 5 lacking pigment. Etymology. The speci c name refers to the sexually dimorphic pigment pattern of this species.