Epimeral

E`pim´er`al


a.1.(Zool.) Pertaining to the epimera.
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The epimeral plates 1-3 present the same shape of those in the holotype, but with different pattern of setation, being the epimeral plate 1 non setose, epimeral plate 2 with five plumose setae anteriorly and a row of small slender setae on the ventral margin, and epimeral plate 3 with few slender and simple setae.
Pronotum, length: 210; width: 406; anteromarginal setae: 14-21; anteroangular setae: 49; midlateral setae: 98-105; posteroangular setae: 140; epimeral setae: 161; metanotal media setae: 56.
The formula of the epimeral setae is the normal 3:1:3:3; the epimeral setae are smooth and short.
The tag was inserted through the dorsal membrane at the junction of the right 5th pereiopod and the epimeral line separating the cephalothorax from the pleon.
5; posteroangulares 35; epimeral 50; B1 65; B2 70 y B3 60.
Beginning in April, 1995, all crabs collected in the South Beardslee Islands and Berg Bay were tagged with a sequentially numbered, double-T Floy tag (Floy Tag and Manufacturing Company, Seattle, WA) inserted along the postero-lateral margin of the epimeral suture.
The diagnostic characters of Eremulus are (data summarized from descriptions of species): costulae well developed and visible; rostrum rounded; sensilli flagelliform, rarely spindle-shaped (exceptionally with small sensillar head); anterior part of notogaster with transverse foveolate band; 10 to 11 pairs of notogastral setae; anal and adanal setae simple; epimeral setae branched (1c often setiform); genital and aggenital setae branched (exceptionally setiform).
inquilinus (Bournier) in shape and reticulation patterns of the metanotum, and in the number of epimeral setae.
Protorax: rectangular; largo: 0,11 [+ o -] 0,01; ancho: 0,24 [+ o -] 0,02; superficie dorsal de aspecto granulado; sutura epimeral completa; setas principales infundibuliformes: 1 am, 1 ag, 1 l, 1 ep, 1 pm y 1 m cercana al margen posterior; basantra ausente, placas probasiesternales triangulares, con 3 setas agudas en el margen anterior.