REHN AND HEBARD 199 



Conocephalus stictomerus ^^ new species (PL XV, fig. 10; XVI, 13; XVII, 



12; XVIIl, 23 and 24; XX, 13.) 

 1911. Conocephalus ensiferus Rehn and Hebard (not Xiphidiinn ensifer 



Scudder, 1862), Proc. Acad. Nat. Sci. Phila., 1910, p. 643. (In part.) 



[Macropterous pair; Ptaleigh, North Carolina.] 



The above error was a result of the specimens being in a very- 

 bad state of preservation, combined with the fact that at the time 

 many of the characters of the greatest importance in distinguish- 

 ing the North American species of the genus remained unstudied. 



This species shows a development almost intermediate be- 

 tween C. hygrophilus and C. nigiahis, but differs from both of 

 these species in the very nnich narrower vertex, in the male cerci 

 which are similar to those of hygrophilus but distinctly less special- 

 ized, and in the ovipositor which is very decidedly longer than 

 the maximum found in either of the above mentioned forms. 

 The coloration is very distinctive, no approach to it being found 

 in an}^ of the known species of the genus. 



The present insect inhabits the middle Atlantic coastal plain, 

 where it is to be found in the luxuriant grasses growing al^out the 

 borders of marshes near fresh and Ijrackish water. 



Type. — cf ; Cedar Springs, Cape Alay County, New Jersey-. 

 August 26, 1914. (Hebard.) [Hebard Collection, Type No. 173J. 



Description of Type. — Size rather large for the genus, form rather slender. 

 Head with dorsum of vertex when seen from the lateral aspect distinctly ascend- 

 ing above the plane of the occiput (much as in C. fiygrophilus and more so than 

 in C. aigialus), fastigium of vertex narrow, very little more than half as wide as 

 the basal antennal joint, narrowing with a scarcely appreciable concavity to the 

 facial suture, when seen from front over twice as deep as the greatest width. 

 Eyes normal in size but unusually protruding. Pronotum moderately con- 

 stricted, with lateral lobes narrower than in C. hygrophilus and C. aigialus, 

 similar in this respect to C. hrevipennis, cephalic margin nearly straight, ventro- 

 cephalic angle very broadly rounded obtuse-angulate, ventral margin very 

 weakly concave to the broadly rounded but acute-angulate ventro-caudal angle, 

 caudal margin weakly convex to the very shallow humeral sinus, coiivex ('allos- 

 ity very narrow. Tegmina delicate in structure, abbreviate, reaching to mid- 

 dle of penultimate dorsal aljdominal segment, tympanum much as in hrevipen- 

 nis; wings slightly shorter than tegmina. Cerci elongate, mesal portion 

 with proximal section enlarged and produced above ventro-proximal tooth in 

 an overlianging heavy knob-like protuberance, at the l)ase of this swelling is 



■'^ From srtKr OS = spotted and ;U77p6s= thigh, in allusion to the remarkal)le 

 spots and dots of coral red found on the thighs of individuals of this species 

 during life. 



TRANS. AM. ENT. SOC, XLI. 



