MORGAN HEBARD 55 



Type. — cT ;" Gatun, Canal Zone, Panama. July 28 to August 5, 

 1916. (D. E. Harrower.) [Hebard Collection. 'r\-pe no. 433.] 



Size medium for the group, larger than fratercula; form rather slender. Inter- 

 ocular space wide, ocellar spots weakly defined. Maxillary palpi very elongate; 

 third and fourth joints subequal in length; fifth (distal) joint about three-fifths as 

 long as fourth, enlarged, oblique truncate to near its base. Pronotum with surface 

 very weakly convex; the lateral portions very weakly declivent; cephalic and caudal 

 margins truncate, the caudal margin much the broader; lateral margins convex; 

 greatest width slightly caudad of mesal point. Tegmina very delicate; with (si.x 

 sinistral, seven dextral) longitudinal discoidal sectors; cross-veinlets very weak, 

 except in area of dextral tegmen concealed when at rest, where they are decided. 

 Wings very delicate; proximal (eight) costal veins rather heavily clubbed distad; 

 ulnar vein with (four) complete branches; intercalated triangle small. Abdomen 

 with dorsal surface unspecialized. 



Supra-anal plate strongly transverse; weakly triangularly produced, with immedi- 

 ate apex bilobate.^^ Concealed genitalia: a very slender and elongate genital 

 hook is situated dextrad, bent sharply dextrad at the extremely slender, straight 

 distal portion. Subgenital plate produced, roughly scoop-shaped, convex, except 

 latero-distad and meso-distad where it is moderately concave; lateral margins 

 con\'ex before the cereal bases, thence feebly concave and strongly convergent to 

 the distal margin, which is truncate and not more than half as long as the concave 

 portion of one of the lateral margins; two moderately convergent, weakly convex 

 ridges extend from meso-laterad on the plate to the extremities of the distal margin; 

 this margin is occupied by minute, rounded, sub-trigonal styles, directed dorsad 

 and with length of each slightly less than its basal width; at the internal bases of 

 each of these styles, on the internal surface of the subgenital plate, is situated a 

 minute spine, curving feebly dorso-caudad to the aciculate apex, which projects 

 above the adjacent style; immediately cephalad of this spine is situated another 

 similar spine, which curves feebly dorso-cephalad. 



Limbs slender. Cephalic femora with ventro-cephalic margin supplied with a 

 series of moderately stout, elongate, proximal spines, which decrease gradualK- in 

 length to two much longer distal spines, of which the more distal is the longer. 

 Tarsi very elongate; four jiroximal joints each supplied disto-ventrad with a small 

 pulvillus, which is produced to an acute apex, the shortest (fourth) joint alone has 

 its ventral surface fully occupied by the pulvillus. Moderately large arolia present. 

 Tarsal claws specialized; internal flange well developed, with (two or three) relatively 

 decided but minutely microscopic teeth distad. 



General coloration buffy, tinged with tawny olive. Head buflfy; with two feeble 

 vertical lines on vertex, a broader band between the eyes and a narrower band, con- 



" This specimen was unfortunately killed after having very recently reached maturity. 

 The chitin had not fully hardened, and, in consequence, the head is distinctly crushed, 

 while the coloration is clearly more dilute than would be the case in a thoroughly hard- 

 ened example. 



'^ This is probably due to individual variation. 



MEM. AM. ENT. SOC, 4. 



