CYDNIDAE OF THE WESTERN HEMISPHERE — FROESCHNER 581 



corium with two complete rows of punctures paralleling claval suture; 

 clavus with several smaller punctures in addition to usual longitudinal 

 row; costa with four to seven setigerous punctures; membranal suture 

 virtually straight; membrane reaching or slightly surpassing apex of 

 abdomen. 



Propleuron: Alutaceous; punctate ventrally; prosternal carinae low, 

 acute, 



Mesopleuron : As described for subgenus. 



Metapleuron: As in D. discrepans (fig. 106), apex of peritreme fusing 

 with surrounding cuticula; lateral edge of evaporatorium deeply 

 concave; lateral polished area wealdy convex, with few punctures. 



Sternites: Shining, very wealdy alutaceous, with numerous scat- 

 tered, very fine punctures; sutures finely crenulate. 



Legs: Moderately long, posterior pair modified as in subgeneric 

 description (as in fig. 148). 



Terminalia: Apical margin of genital capsule faintly emarginate 

 medially, midUne with few fine punctures, laterally with crowded 

 prominent punctures; gonostylus as illustrated (fig. 262). 



Length of body: 7.12(6.78-7.34). 



Female: Similar to male, lacking modification of posterior legs. 



Head: Length-width ratio, 1.16(1.06-1.23) : 1.65(1.60-1.74); inter- 

 ocular width, 1.16(1.12-1.23). Antennal segments: I, 0.36(0.33- 

 0.40) ; II, 0.44(0.38-0.51) ; III, 0.42(0.40-0.46) ; IV, 0.56(0.53-0.60) ; V, 

 0.45(0.43-0.48). Labial segments: I, 0.55(0.53-0.60); II, 0.88(0.86- 

 0.94); 111,0.70(0.68-0.72); IV, 0.45(0.43-0.48). 



Pronotum: Length-width ratio, 1.92(1.73-2.08) :3.60(3.45-3.80). 



Scutellum: Length-width ratio, 2.52(2.35-2.69) :2.16(2.08-2.28). 



Length of body: 6.83(6.57-7.19). 



Type data.— Holotvpe male and allotype female (both CalAc) 

 labeled "Potwisha, Sequoia Natl. Park, Calif., 3,000-5,000 ft., V-8-31, 

 E. C. Van Dyke collector." Paratypes, 19 males, 43 females: 



California: Sequoia National Park: Potwisha, same data as types, 3 males, 5 

 females (CalAc, RCF) ; same collector, 2,000-5,000 feet. May 20, 1930, 3 males, 

 4 females, May 24, 1929, 1 female, June 2, 1929, 2 males, June 13, 1929, 3 females, 

 June 20, 1929, 2 males (all in CalAc) ; July 16, 1931, 11 females. Paradise Valley, 

 3,000-4,000 feet, Van Dyke, 4 females (CalAc\ Wolverton, 7,000-9,000 feet. Van 

 Dyke, 2 females. No exact locality, 2,000-3,000 feet, Apr. 24, 1946, R. C. 

 Bechter, 1 male, 1 female (McC); May 24-26, 1929, 1 male, 4 females (RLU) ; 

 May 19, 1930, 1 male (RLU) ; 3,000-7,000 feet. May 27, 1929, 2 females (CIS) ; 

 2,000-3,000 feet, June 13, 1929, 1 female (CIS). Los Angeles County: Altadena, 

 Mar. 11, 1912, J. C. Bridwell, 2 males (USNM). Playa del Roy, May 20,1938, 

 A. T. McClay, 1 female (McC). Claremont, August 28, 1 male (RLU). No 

 exact locality: "So. Calif.," 3 males, 2 females (RLU). 



Mexico: Baja California: Hamilton Ranch, Aug. 2, 1938, Michelbacher and 

 Ross, 2 females (CalAc). 



