Pomona College Journal op Entomology 410 



Protolophus. 

 Two species are known from California; the F. tuberculatus very nnicli more 

 common than the other. 



1 . Abdominal tubercles unarmed tuberculatus. 



Abdominal tubercles with a few apical spines sitiiJularis. 



Protolophus tuberculatus Bks. 

 Gray to brownish, more or less mottled with brown; abdomen often red- 

 brown, with a broatl median dark stripe or vase-mark ; coxje brownish, tro- 

 chanters yellowish, rest of legs reddish or yellowish brown. Specimens come 

 from Marin County, Santa Clara County, I.os .^nJ;eles, Claremont, Haywards, 

 Santa Catalina Island, and Santa Rosa Island. (Fig. 151.) 



Figure 151. Protolophus tuberculatus. 



Protolophus singularis Bks. 

 .\bdominaI tubercles have from two lo four spines; the anterior margin 

 of cephalothorax is more spinose, and the palpi are more enlarged in the 

 male, the second pair of legs more slender. From near San Diego. 



Eurybunus 

 The legs are short, the femora and tibia of legs I and III thickeneil. Two 

 species are described from California. 



1. Body smooth; leg IV nearly as long as II bruuitcus. 



Body with transverse rows of spinules ; leg IV much shorter than 11 

 _ - ._ sf<iiinsus. 



Eurybunus brunneus Bks. 

 Dorsum brown, margin of abdomen narrowly white, coxae, trochanters, an<l 

 part of femora yellowish, a band near tip, femora brown, the extreme 

 tip whitish ; base of patella brown, tip white ; middle of tibia brown, base 

 and tip white ; same with the metatarsus ; tarsi brownish : palpi and mandibles 

 yellowish. Southern California. 



Eurybunus spinosus Bks. 

 Grayish brown above, a black mark <m each side of base of abdomen: 

 femora I and III brown, with a pale ring on middle; tibis I and III brown, 

 mottled with pale; femora and tibiae 11 and IV whitish, with irregular brown 



