42 
Psyche 
[Vol. 93 
Bion brevis O.P. -Cambridge, 1898: 244, pi. 30, fig. 5, Male from Teapa, Tabasco, 
Mexico (BMNH), not examined. First synonymized with Witica by Simon, 
1903. 
Edricus crassicauda: — F.P. -Cambridge, 1904: 500, pi. 47, fig. 21, $. Roewer, 1942: 
762 
Edricus tricuspis: — F.P. -Cambridge, 1904: 500. Roewer, 1942: 762. 
synonymy. Sdldssid tricuspis is synonymized with crdssicdudd 
since the description fits the latter species with which Getaz 
compares it. Also only one species is known from Costa Rica. The 
immature Physiold nigrdns were thought by Simon to be adult 
females. 
Femdle. Total length, 7.8 mm. Carapace, 3.2 mm long, 2.7 wide. 
First femur, 3.5 mm; patella and tibia, 3.7; metatarsus, 2.1; tarsus, 
0.9. Second patella and tibia, 3.3 mm; third, 2.0; fourth, 3.3. 
Mdle. Total length, 1.4 mm. Carapace, 0.9 mm long, 0.7 wide. 
First femur, 0.8 mm; patella and tibia, 0.8; metatarsus, 0.4; tarsus, 
0.3. Second patella and tibia, 0.7 mm; third, 0.4; fourth, 0.6. 
Didgnosis. The median septum of the epigynum is as wide or 
wider than the depressions on each side (Fig. 4); the male has a 
curved tube on the base of the embolus tip (Fig. 9). 
Vdridtion. Dorsal color, pattern and shape of abdomen of 
females are variable. Total length of female 6.5 to 12.0 mm, males, 
1.4 to 1.7. 
Hdbits dnd Distribution. Forests from Mexico to Venezuela 
and Peru, Greater Antilles (Map). 
Records. Mexico Sdn Luis Potosi: Huichihuayan, June 1941, 
immat. (H. Dybas, AMNH). Guerrero: S of Acahuizotla, 17 Nov. 
1946, $(E. S. Ross, CAS). Tdbdsco: Teapa, 16 July 1947, $ (C. M. 
Goodnight, AMNH). Chidpds: San Quintin, Feb. 1966, 9 (G. Ball, 
D. R. Whitehead, RL); Palenque ruins, 28 May 1980, 9 (J- Cod- 
dington, MCZ). Guatemala Moca, 31 Aug. 1947, 9 (C. P. Vaurie, 
AMNH). Honduras Atldntidd : Lancetilla, July, 1929, 9 (A. M. 
Chickering, MCZ). Nicaragua Musawas, Waspuc Riv., Sept. 1955, 
9 (B. Malkin, AMNH). costa rica Heredid : La Selva, 4 $ (MCZ). 
Puntdrends : Corcovado Natl. Park, 2 9 (MCZ). Limon: Rio 
Reventazon, imm. (AMNH). Sdn Jose : San Jose, 3 $ (AMNH). 
Cdrtdgo: Turrialba, dense jungle, 9 (EPC). panama Bocds del 
Toro: Rio Changuinola, 2 9 (AMNH). Chiriqui : 9 (AMNH). 
Pdndmb: Canal area, very common (MIUP, MCZ, CAS, AMNH). 
