376 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxii. 



D''. Smaller, pronotum no more than 6 mm. in length, usually less. 

 E. Posterior femora less than four times, usually but three times, as long 

 as the pronotum inermis, p. 386 



W. Posterior femora four or more times as long as the pronotum. 



icgualis, p. 376 

 C''. Ovipositor apically curved somewhat downwards; pronotum usually more 



than 6 mm. in length relmi, \>. 382 



B^. Size large and bulky, the pronotum 9 mm. or more in length. 



0. Larger, the posterior femora more than 25 mm. in length... hilineutus, p. 379 

 0^. Smaller, the posterior femora no more than 25 mm. in length. 



elegans, p. 384 

 A^. Ovipositor much less than the ijosterior femora in length. 



B. Smaller, posterior femora more than four times as long as the pronotum. 



femorata, p. 387 

 B^. Larger, posterior femora less than four times as long as the pronotum. 



variegata, p. 387 



IDIOSTATUS i^QUALIS Scudder. 



Cacopteris .rqiiaUs Scudder, Proc. Amer. Acad. Arts Sci., XXXV, 1899, pp. 88, 92; 

 Cat. Orth. U. S., 1900, p. 78.— Woodv/orth, Bull. No. 142, Cal. Exp. Sta., 

 1902, p. 15.— KiRBV, Syn. Cat. Orth., II, 1906, p. 194. 



Descri/)t/'(m. — Head scarcel}" prominent, quite deepl}' inserted into 

 the pronotum; vertex about one-third as broad as the interocular space 

 and quite prominent; eyes rounded, not very large but protrudent, 

 being decidedly prominent; basal segment of the antennas enlarged and 

 broad but scarcely one-half as large as the vertex as viewed from in 

 front. Pronotum moderate in size; lateral lobes well developed, nearly 

 as deep as long, almost vertical and very slightly sinuate posteriorly; 

 lateral carinie scarcely indicated except on the posterior third where 

 they are present, usually distinct but never sharp; median carina 

 present only on the posterior fourth of the pronotum and there very 

 blunt and indistinct; pronotal disk rounded, scarcel}^ perceptibly' 

 tectate, without transverse sulci or with a very obscure broad shallow 

 one across the posterior portion, truncate anteriorly and posteriori}". 

 Legs long, the posterior femora about four times as long as the pro- 

 notum and much swollen on a little more than the basal half, armed 

 below with a few sharp, short, stout black spines; anterior tibials armed 

 above on both margins, three spines on the outer margin and two on 

 the inner. Elytra of the male (tig. 60) ample, projecting beyond the 

 pronotum a distance about equal to the pronotal length, of the female 

 forming widely separated rounded pads which project scarcel}" their 

 own width beyond the pronotum. Abdomen moderately plump, 

 scarcely carinate; subgenital plate deeply and linearly' cleft in the 

 female, in the male triangularly incised apicall}^, the terminal stjdes 

 about four times as long as broad; last dorsal abdominal segment of 

 the male apically furcate, the angles elongate, extending to about the 

 tip of the subgential plate, and sharp, with the incision U-shaped (fig. 

 62) cerci of the female about three times as long as the greatest breadth, 



I 



