30) with hand distinctly depressed at level of ib/isb, with distinct, short hump distad of ib/isb and gentle slope between trichobothria ib/isb and eb;weakhollowbeforebaseof movable finger with thicker cuticle; width approximately equal than depth, maximum width slightly proximad of ib/isb; chaetotaxy 4:5:4, seta [ph.sub.3] present, seta [dh.sub.3] removed to halfway between the distal and the intermediary setal
rows, seta [ih.sub.2] distinctly thinner and longer than other hand setae (0.65-0.070 mm long, ratio hand depth/[ih.sub.2] length 2.0-2.4); distal end of the hand and base of the chelal fingers with sclerotized condylar complex.
Meso- and metanotal plaques, anterior to the posteromarginal row of major setae with rounded microtrichia and those posterior of the setal
row without microtrichia.
This species belongs to the species group with basifemoral setal
formula 2-2-2 and has been compared with all species of this group.It was first record of subgenus Erythraeus from Pakistan.
For example, six types of setae were identified in the snapping shrimp, Alpheus heterochaelis (Obermeier & Schmitz 2004); 10 setal
types were identified in the Caribbean spiny lobster, Panulirus argus (Cate & Derby 2001).
Legs: leg IV with 2-2-1 spine-like setal
pattern on ventral aspect of the tarsus and 2-2-1-1 on the metatarsus.
Meadows and Reid (1966) suggested that the setal
filter was inefficient and concluded that only a very small part of C.
The setae on the anterior surface are curved toward the outer surface; branches are 0.05 to 0.075 mm long and the basalmost ones 0.15 mm from the setal
saccharalis exhibit a well-sclerotized set of setal
plates along their length, whereas the setal
plates are often less distinguishable in D.
Remarks: The secondary male differs substantially from the primary male, not just in respect of the typical characters of size and cheliped development, but also as regards the antennule structure, and pleopod setal
number (higher in secondary male).
nomenclature of Smiley (1992) has been followed.
A V-shaped brown patch between fovea and PME, surrounding a smaller V-shaped brown patch with broadened distal prolongation; three mediolateral patchy stripes oblique and longitudinal, the anterior one extending marginal to base of pars cephalica; pars cephalica with three longitudinal setal
rows, mediolateral ones oblique and reaching fovea, median line straight; pars thoracica with six mediolateral patches, two fields of 7-8 spinules in a distomedial position are visible.
Briefly (see Zilli et al., 2003, for a detailed description), in stage A, pigmented cellular matrix completely fills the setal