NO. 1530. THE DECTICIN.E OF NORTH AMERICA— CAUDELL. 329 



distinct and fairly sharp median carina, on each side of which the disk 

 is fiat and slantino- to tlie distinct but ver}^ blunt lateral carina?; the 

 disk is no l)roader at one point than another, and has a second trans- 

 verse sulcus near the anterior border, and just anterior of the post- 

 median transverse furrow it is marked with a V-shaped depression, the 

 apex directed backwards and nearly touching- the transverse depres- 

 sion; prosternal spines long, erect, sharp. Legs and wings as 

 described under the genus, the elytra narrowly rounded at the apex. 

 Atxlomen large and plump, sometimes obscurely 

 carinate above. Cerci of the female simple, conical, 

 about four times as long as the basal width, of the 

 n)ale more than four times as longf as the basal width, 

 and on the imier side toward the tip armed with a 



. ^ •11 ^''^- 33.— .\POTE NOT.\- 



moderately slender sharp-pomted tooth, with the bilis. cercus of 

 upper edge meeting the terminal part of the cercus *'^^^- 

 at an angle (tig. 33), or a less slender tooth with the upper edge in a 

 line with the tip of the cercus (fig. 3-1); ovipositor longer than the 

 posterior femora, curved distinctly downward and slight!}" narrowed 

 mediall}", the tip sharp and unarmed. (See lig. 32.) 



Color, brown, marked with ash-gray; head, dark bi'own above, merg- 

 ing into yellow on the face and below; antennii?. yellowish at the base, 

 apically becoming darker; pronotum brownish al)ove, sometimes 

 varied with pale 3'ellowish, the posterior margin of 

 the lateral lobes also sometimes margined with yellow. 

 Wings lu'ownish, with black veins; abdomen brown, 

 with pallid subdorsal lines and more or less mottled 

 on the sides with the same color, below^ yellowish; 

 Fi<;. a4.-.\P()TE NO pij^m;^ below the wings piceous with a pale border 



T A B I I, I S VAR. i . 



ROBusTA. Cercus bclow. Lcgs ycllowish, the outer face of the posterior 

 OF MALE. femora usually more or less infuscated; ovipositor 



yellow with the tip margined with black. 



Measurenient-s. — Length, pronotum, luale, 10-13.5 nun., female, 

 10-13; elytra, male, 6-7, female, 5-6; posterior femora, male, 18-22, 

 female, 19.5-22; cerci, male, 2.75-3, female, 1.75; ovipositor, 23-29; 

 width, pronotum at posterior border, male and female, 5.5-7; pos- 

 terior femora on basal half, male and female, 4-5, on apical half, male 

 and female, 1.25-1,75. 



Ti/j^e. — In the Museum of Comparative Zoology. 

 Sjyeclmens examined: Material from North Dakota, Oregon, Wash- 

 ington, and Vancouver Island, British Columbia. 



The National Museum contains one male and two females from the 

 State of Washington, Rockland, July 4 (Fisher) and Pullman, June 25 

 (Piper), and one female from Wellington, British Columbia (Taylor). 

 Two male and one female specimens were also sent to me for stud\' b}' 

 the Washington Experiment Station. These are from Pullman and 



