262 THOMAS SAY FOUNDATION 



short upturned spine-like processes ; ninth sternite slightly- 

 produced behind and evenly rounded. 



Female, unknown. 



Holotype, male, Dec. 25-26, 1922, Sunnyside Mine, near 

 Seneca, Plumas Co., Calif. (H. S. Barber, in the U. S. Na- 

 tional Museum) ; paratypes, seven males, from same local- 

 ity. Two of these paratypes are in the National Museum 

 and three are in the Cornell University Collection. 



Capnia teresa Claassen. 



(Plate 48, fig. 10.) 

 1924. Capnia teresa Claassen, Can. Ent., 56:54. 



Length to tip of wings, male, 6.5 mm. Expanse, male, 

 11 mm. 



General color brown. Head brown, wider than pro- 

 thorax ; lateral tubercles polished ; occiput marked with 

 longitudinal ridges; hind ocelli closer to eyes than to 

 each other ; antennae brown ; composed of about twenty- 

 six segments. Prothorax a little wider than long, some- 

 what widened behind ; front angles broadly rounded, hind 

 angles narrowly rounded ; sides somewhat convex ; surface 

 moderately rugose, the rugosities coarse and few in num- 

 ber. Legs brown. Wings subhyaline ; Sc reaches to the 

 cord; R of forewing sinuate at origin of Rs. Abdomen 

 brown; cerci brown, composed of about nineteen seg- 

 ments. 



Male. Seventh abdominal tergite with a raised, rear- 

 ward pointing chitinous knob, closely beset with fine 

 spines and deeply emarginate behind ; ninth tergite partly 

 cleft and each side of the middle with a raised granulate 

 knob ; supra-anal process recurved, enlarged into a some- 

 what spherical bulb which bears a short pointed process 

 at the tip ; subanal lobes upcurved and ending in a spine- 

 like process ; ninth sternite slightly produced and broadly 

 rounded behind. 



Female, unknown. 



Holotype, male, Oct. 15, 1922, Evey's Canon, Clare- 

 mont, Calif. (Theresa Robinson, in Cornell University 

 Collection). 



This species is rather closely related to C. tumida but 

 is smaller, lighter in color and differs in the structure of 

 the genitalia. 



Capnia californica Claassen. 



(Plate 48, fig. 11.) 

 1924. Capnia californica Claassen, Can. Ent., 56:57. 



Length to tip of wings, male, 6.5 mm. Expanse, male, 

 11 mm. 



