Joeropsis dimorpha, Kensley & Schotte, 2002

Kensley, B & Schotte, M, 2002, New species and records of Asellota from the Indian Ocean (Crustacea: Peracarida: Isopoda), Journal of Natural History 36, pp. 1421-1461: 1432

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Joeropsis dimorpha

sp. nov.

Joeropsis dimorpha   sp. nov.

(Žgure 6F–I)

Type material. HOLOTYPE: USNM 253215 View Materials , 1.6 mm, sta K-SEY-16, algal turf on dead coral, Mahé Island, Seychelles, 2–3 m, 1 May 1984   . PARATYPES: USNM 253216 View Materials , 10 View Materials 1.0– 1.6 mm, three 1.2–1.5 mm, sta K-SEY-16, same data as holotype   ; USNM 253217 View Materials , 21 View Materials , eight, sta K-SEY-21, clumps of Amphiroa   on reef at, Mahé Island, Seychelles, 1 m, 25 February 1989   .

Other material. USNM 253218 View Materials , 18 View Materials , four ovigerous, three, sta K-SEY-22, algal turf on granite boulders, Mahé Island, Seychelles, 25 February 1989   ; USNM 253219 View Materials , one, nine, sta K-SEY-23, algal turf on reef crest, Mahé Island, Seychelles, 25 February 1989   ; USNM 253220 View Materials , one, sta K-SEY-34, encrusting coralline algae, Anse Royale, Mahé Island, Seychelles, 15 August 1992   ; USNM 253221 View Materials , 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 speciŽc name refers to the sexually dimorphic pigment pattern of this species.