22 THE CANADIAN ENTOMOLOGIST. 



arcuately narrowing to apex, broadest at about basal third, base before the 

 scutelhnn iin])ressed ; surface coarsely jninctate, the punctures well 

 sei)arated on the disk, but denser and confluent in tiie apical region at 

 sides, on the median liue from apex to l)ase is a narrow, smooth space, 

 with a fine impressed line at middle, which is very distinct at base, 

 gradually finer and disappearing entirely near apex. Elytra as wide as 

 the thorax at base, nearly parallel to slightly behind the middle, then 

 arcuately narrowing to apex, which is obtusely rounded and coarsely 

 serrate ; elytral intervals alternately elevated into distinct costse on the 

 disk, more feebly at sides, the cost?e sparsely punctate ; the intercostal 

 space slightly convex at middle, very coarsely punctate, the punctures more 

 or less transversely confluent, in addition there are at middle a row of 

 smaller punctures, representing the punctures of the costate intervals. 

 First ventral suture straight, last ventral segment of male broadly arcuate 

 at apex, at middle produced into a lobe-like projection, which is carinate 

 on its ventral surface, last ventral segment of female narrowing to apex, 

 which is slightly truncate. Length of male, 15 mm.; of female, 20 mm. 



Palmerlee, Cochise Co., Arizona. Beaten from branches of.live oak. 



This species is near velasco, but is smaller, has a narrower thorax and 

 different elytral sculpture. The last ventral segment of the females is 

 variable, in some the apex is subacute and has a well-defined costa, in 

 others it is more broadly rounded, and the costa is hardly visible. The 

 same can be said of the male, though there is never as much variation 

 as in the female. 



In Entomol. News, Vol. XVI., p. 73, Mr. Fall restores e/ata to 

 specific standing on an apparent good character. This species is 

 separated from Califorjiica in the table given by the last ventral segment 

 produced into a lobe at middle (angulate in Calif or tiica), and from the 

 remarks the female does not differ much in this respect from the male. 

 I have seen quite a number of specimens of elata, consisting of both sexes, 

 and find that the lobed last ventral is only peculiar to the male, and not 

 alone in this species, but also in velasco and Arizoiiica. Unfortunately, I 

 have only three specimens of Cali/ornica, all female, but have no doubt 

 that the male of Califortiica has the last ventral segment formed as in 

 elaia. The so-called median carina of thorax is in one of my specimens 

 of Califorjiica as distinct as in elata^ in another specimen faintly seen, 

 and cannot be relied upon for the separation of the two. If, as I suspect, 

 the male of Calif oriiica has the same abdominal character as elata, there 



