240 ENTOMOLOGICAL SOCIETY 



Chrysopa arizonensis Banks. 



Yuma (Morse). This is the type specimen. 

 Chrysopa externa Hagen. 



Williams, July 28 and 29 ; Hot Springs, June 26 ; Flagstaff, 

 July 6; Ft. Grant, July 16 (Hubbard). 

 Chrysopa californica Coquillett. 



Williams, July; Winslow, July 31; Chiricahua Mountains, 

 July i (Hubbard) ; Tucson, April 29 and July 20 (Schwarz) ; 

 Prescott, June 26; Buckeye (Cockerell) ; Tempe, March 28 

 (Cockerell) ; Catalina Springs, May 9, and Santa Rita Moun 

 tains, June 8 and 14 (Schwarz). 



Common in the West. 

 Chrysopa erythrocephala Banks. 



One from Bright Angel. July 12. 



A western species. 

 Chrysopa rufilabris Burmeister. 



One from Williams, July 24. 



An eastern species. This specimen does not appear to differ 

 from typical examples., 



Family HEMEROBIID^. 

 Polystoechotes punctatus Drury. 



From Williams, July 29 and 30; Salt River, April 17 (Oslar). 



Distributed throughout the United States. 

 Megalomus latus, n. sp. 



Head pale brown, antennae rather paler; thorax darker brown, abdomen 

 brown ; legs yellowish. Wings hyaline, veins densely dotted with brown ; 

 around the margin dark spots alternate with pale; first gradate series 

 marked with black, second curved and less distinct; a rather large black 

 ish spot on the middle of hind margin. Hind wings hyaline, costal area 

 and apical venation brown; also two brown spots on hind margin. Fore 

 wings very broad, especially the costal area at base; five or six radial 

 sectors, the first soon forked ; veins very close together ; first gradate series 

 straight, oblique ; second curved, following the outline of wing. Nearly 

 all the costal veinlets before pterostigma are forked. In hind wings there 

 are four branches of the radial sector; the costal cross-veinlets are very 

 numerous. 



Length of body, 8 mm. ; expanse, 18 mm. 



One specimen from Williams, July 24. 



Type. No. 6796, U. S. National Museum. 



There are also specimens in the Barber & Schwarz collection 

 from Las Vegas Hot Springs, New Mexico. 

 Berotha occidentalis Banks. 



Two from Santa Rita Mountains, May 31, and Oracle, July i S 

 (Schwarz). 



Occurs also in Nevada. 



