CYDNIDAE OF THE WESTERN HEMISPHERE — FROESCHNER 479 



8. Costa with one setigerous puncture; transverse impression of pronotum 



sharply impressed across full width .... rubrifemur (Walker) (p. 499) 

 Costa with three or four setigerous punctures; transverse impression of 

 pronotum weakly impressed or interrupted at middle. 



rufobrunneus Jensen-Haarup (p. 498) 



9. Males (abdomen ending in single, cuplike genital capsule) 10 



Females (abdomen ending in several pairs of triangular plates) .... 18 



10. Posterior tibia ventrally with distinct, subbasal angulation, with one to 



three spines on posteroventral margin before apex (figs. 155, 156) . . 11 



Posterior tibia ventrally without subbasal angulation, posteroventral margin 



with four or more spines before apex (figs. 157, 158) 13 



11. Apex of genital capsule with a broad, deep, U-shaped emargination (fig. 177). 



aethiops (Fabricius) (p. 504) 

 Apex of genital capsule not emarginate, sometimes gently sinuate . ... 12 



12. Costa with two setigerous punctures; larger, length of body 5.84-6.60. 



impressus, new species (p. 486) 

 Costa with one setigerous puncture; smaller, length of body 4.21-5.56. 



docilis (Walker) (p. 484) 



13. Costa with two (rarely three) setigerous punctures 14 



Costa with one setigerous puncture 16 



14. Coriimi distinctly alutaceous (at 15 magnifications) ; larger, length of body 



5.8-7.1 neogeus, new species (p. 491) 



Corium polished, not alutaceous (at 30 magnifications); smaller, length of 

 body 5.0-5.3 15 



15. Jugum with two submarginal setigerous punctures, one immediately an- 



terior to eye and one near apical third . . bisetosiis, new species (p. 483) 

 Jugum with one submarginal setigerous puncture just anterior to eye. 



moestus (St&l) (p. 489) 



16. Posterior tibia with four strong spines on posteroventral margin before apex. 



piceatus St&l (p. 492) 



Posterior femur with more than four spines on posteroventral margin before 



apex 17 



17. Corium polished, with two complete (or nearly complete) rows of mesocorial 



punctures paralleling claval suture; smaller, length of body 4.8-5.7. 



quinquespinosus, new species (p. 497) 

 Corium distinctly alutaceous, with one complete row of mesocorial punctures 

 paralleling claval suture; larger, length of body more than 7. 



laevigatus Signoret (p. 487) 



18. Ocelli large, separated from eye by a space not greater than transverse ocellar 



width aethiops (Fabricius) (p. 504) 



Ocelli smaller, separated from eyes by space not less than V/i times transverse 

 ocellar diameter (to date the author has been unable to prepare a key that 

 will satisfactorily separate females which run here). 



Pangaeus {Pangaeiis) pluripunctatus, new species 



Plate figure 224 



Pangoeus [!] aethiops Signoret (nee Fabricius), 1882, p. 245, pi. 8, fig. 104. 



Diagnosis. — The abundant setigerous punctures on the costa (10 

 or more) set this species apart from all others in the subgenus. 

 Description. — From one male and one female. 

 Male: Broadly oval, basal halves of costa straight, subparallel. 



