m 



PROCEEDINGS OF THE ACADEMY OF 



[Jan., 



the broad, hardly produced subgenital plate of the male, in the more 

 spiniform and strongly mcurved distal portion of the male cercus, 

 in the slightly deeper lateral lobes of the pronotum in both sexes, 

 in the broader and more approximate tegmina of the female, in the 

 less tapering ovipositor, which has the ventral margin straighter, 

 snd in the broader, more ovate, and less elliptical eye. 



Type: cf ; Lagmia del Gato, three miles west of Sam Fordyce, 

 Hidalgo County, Texas. Elevation 175-200 feet. August 6, 1912. 

 (Rehn and Hebard.) [Hebard Collection.] 



Description of Type. — Size medium; form moderately slender; 

 surface subglabrous. Head with the occiput not elevated dorsad 

 of the level of the pronotum, gently arcuate; fastigium compressed, 



Fig. 15. — Dichopetala castanea n. sp. Lateral view of type. (X 2.) 



lamellate, barely touching the frontal fastigiu^n; eyes prominent, 

 ovate, the greatest width contained less than one and one-half times 

 in the length, the length of the eye contained about one and one-third 

 times in the infra-ocular length of the gense; face moderately flat- 

 tened; antennae over three and one-half times as long as the body, 

 filiform. Pronotum with the dorsum subdeplanate, strongly nar- 

 rowed mesaS, the margins of the same regularly converging caudad 

 from the cephalic margin and from the middle somewhat more strongly 

 diverging toward the caudal margin, the median width not more 

 than half that at the caudal margin, the width of the latter equal to 

 slightly more than half of the length of the disk, cephalic and caudal 



margins of the disk subtruncate, 



transverse broad V-shaped sulcus 



placed slightly caudad of the middle, 



caudad of which sulcus there is 



laterad on the disk slight indication 



Figs. 16 and 17.— Outline of left of another sulcus; lateral lobes with 



cercus of males (types) of Dichope- ^]^^ greatest depth contained nearlv 



lala cadnnea (16) and D. brevinas- . . \ , ,. ' 



Ma (17). (X 10.) twice m the dorsal length of the 



