CYDNIDAE OF THE WESTERN HEMISPHERE FROESCHNER 641 



underside reddish brown to brown, antennae, labium, and legs dis- 

 tinctly paler. 



Male : Oval, widest across anterior pronotal lobe. 



Head: Length more than four-fifths width, 0.50(0.39-0.53) :0.59 

 (0.56-0.62); interocular width, 0.32(0.30-0.34); clypeus distinctly 

 surpassing juga, outhne of head notched at their juncture; juga with 

 five marginal pegs; surface coarsely punctate between and posterior 

 to eyes. Antennal segments: I, 0.12(0.11-0.13); II, 0.03(0.03-0.05); 

 III, 0.25(0.24-0.26); IV and V missing on all specimens. Labium 

 attaining middle coxae. Labial segments: I, 0.21(0.20-0.23); II, 

 0.28(0.26-0.31); III, 0.28(0.26-0.31); IV, 0.23(0.20-0.26). 



Pronotum: Length more than two-thirds width, 0.98(0.63-1.06): 

 1.41(1.35-1.50); anterior margin moderately concave, deeply cupped 

 behind eyes; lateral margin slightly concave and weakly converging 

 on basal half; transverse impression moderately impressed, punctate; 

 anterior lobe, including most of disc of calh, with crowded, prominent 

 punctures; posterior lobe, including umbones, densely punctate. 



Scutellum: Length-width ratio, 0.52(0.50-0.54) :0.66(0.63-0.72). 



Hemelytron: Mesocorium with few scattered punctures discally; 

 exocorium abundantly punctate across full width, 



Propleuron: Prosternal carinae about twice as high as labial II, 

 anterior margin vertical, ventral margin concave. 



Legs: Anterior femur with medio ventral spine strongly oblique, 

 unequally furcate, with small, subapical tubercle on posteroventral 

 margin; anterior tibia without median angulation ventrally; posterior 

 femur with ventral, subapical spine very short, oblique, not or weakly 

 bifid. 



Terminalia: Gonostylus as illustrated (fig. 286). 



Length of body: 2.27(2.15-2.38). 



Female: Similar to male, lacking secondary sex-ual modifications 

 and widest across humeri. 



Head: Length-wddth ratio, 0.48(0.46-0.52) :0.58(0.53-0.61); inter- 

 ocular width, 0.30(0.30-0.32). Antennal segments: I, 0.11(0.10- 

 0.12); II, 0.03(0.02-0.03); III, 0.24(0.20-0.29); IV, 0.22(0.18-0.27); 

 V, 0.23(0.21-0.26). Labial segments: I, 0.22(0.21-0.24); II, 0.26 

 (0.22-0.30); III, 0.27(0.26-0.29); IV, 0.22(0.20-0.24). 



Pronotum: Length-width ratio, 0.81 (0.70-0.91): 1.36(1.20-1.52). 



Scutellum: Length-width ratio, 0.51(0.46-0.56) :0.62(0.53-0.71). 



Length of body: 2.12(1.89-2.30). 



Type data.— Distant's single specimen, a female (BrM), is from 

 "Guatemala, Zapote." 



