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.