General information
Distribution map
Photographs
Illustrations
NC Physiographic Region(s): coastal plain
River Basin(s): Lumber, Waccamaw, lower Cape Fear (not Northeast Cape Fear)
Adult Habitat: “lentic situations and burrows (secondary burrower)” (Hobbs Jr. 1989); "ponds, lakes (including Carolina bays), pools, swamps, roadside ditches, and borrow pits but is also found in burrows" (Cooper and Braswell 1995)
Juvenile Habitat: n/a
Reproductive Season: spring, others?
Species associates: P. blandingii, F. fodiens
Conservation status: placed on North Carolina Watch List (W.F. Adams and J.E. Cooper in Clamp 1999); considered by Taylor et al. (1996) to be Currently Stable throughout its range
Identification references: Cooper 1998, Hobbs Jr. 1989, Hobbs 1991
Taxonomic Description:
body shape: cylindrical; fairly small speciesNotes: part of the planirostris group; *the Johnston locality given by Hobbs was for P. medialis
coloration: light brown or tan with highlights in pastels (greens, pinks, salmon) and often speckled with dark spots
spines: branchiostegal spine present; others lacking
rostrum: short, blunt, fairly flat; without marginal spines (usually – but can be present in juveniles)
areola: fairly wide
chelae: having strong dorsolongitudinal ridges; not robust but fairly large for this genus
other characteristics: n/a
form I male gonopod: tip of gonopods angled 80-90 degrees from main shaft (terminal elements directed caudally); cephalic process broad; caudal process flared or truncate; distal ¼ of mesial process bent strongly laterally; subapical setae originating from punctations around base of cephalic process and part of central projection