Relating to that which is situated below a nipple.
References in periodicals archive ?
CO = copulatory opening; DS = dorsal scutum; ES = epigastric sclerite; IS = inframamillary sclerite).
AS = abdominal setae; DS = dorsal scutum; E = embolus; ES = epigastric sclerite; IS = inframamillary sclerite; LL = lateral loop; ML = medial loop; RAP = Rugose abdominal petiole; SD = sperm ducts; VE = ventral sclerite).
6 abdomen length; dorsum black, with broad symmetrical irregular cream marking medially, broken at 3/4 abdomen length (sometimes not in several specimens), triangular posterior cream marking and white spot of dense setae above spinnerets; sides of abdomen black, with triangular cream marking above epigastric furrow, fused to diamond-shaped median marking; dorsum densely covered in black and cream feathery setae corresponding to markings, with scattered short straight setae; venter pale mottled grey, covered in short straight black setae with sparse feathery setae; ventral sclerite absent, post-epigastric and inframamillary sclerites present, weakly sclerotised; two paired rows of tiny sclerites from epigastric furrow to spinnerets, outer row much smaller and less sclerotised.
6 abdomen length; dorsal and lateral setae and markings as for female; venter dark grey, covered in short straight black setae with sparse feathery setae; ventral sclerite present, deep red-brown, subrectangular, nearly extending to spinnerets; post-epigastric and inframamillary sclerites distinct, quite strongly sclerotised.
Abdomen oval-elongate, widest at midpoint, with scutum covering entire dorsum; dorsum very dark brown with faint yellowish mottling, with lateral cream markings at half abdomen length; two pairs of sigilla present, first pair at a quarter abdomen length and second pair just behind cream markings; abdomen covered with short, straight white setae dorsally and fine black setae laterally; epigastric area sclerotised, ventral and inframamillary sclerites absent; venter with two paired lines of tiny sclerites running from epigastric fold to spinnerets.
Abdomen overlapping posterior margin of carapace; oval, tapering posteriorly, without dorsal or ventral scuta; paired dorsal sigilla present (Figs 1, 2); venter with paired tiny sclerites running in two rows from epigastric fold to spinnerets, lateral rows weakly sclerotised; inframamillary sclerite absent.