MORGAN HEBARD 39 



anal plate moderately triangularly produced, with lateral margins feebly concave, 

 deeply concave emarginate at apex. Subgenital plate rather strongly convex, 

 very feebly fissate meso-distad, free margin in large part convex, showing a broad 

 but feeble concavity at the point of extrusion of the cerci. 



The female sex is very similar to that of L. pavida, distinguishable only by the 

 immaculate cephalic coloration and the less ample, narrower pronotum. 



General coloration of type bufYy, tinged with buckthorn brown. Head ochra- 

 ceous-buff, ocelli paler, eyes blackish brown. Pronotum, with disk ochraceous- 

 buff mottled with buckthorn brown, with a few symmetrically placed but weakly 

 defined dots of prout's brown; margins transparent, \ery weakly tinged with buck- 

 thorn brown. Tegmina transparent, weakly tinged with buckthorn brown. Wings 

 hyaline, showing a very feeble iridescence, distal area of anterior field weakly 

 tinged with buckthorn brown. Body and limbs light ochraceous-buff shading to 

 ochraceous-bufT, the dorsal surface of the abdomen tinged laterad with buckthorn 

 brown, mesal specialization of sixth segment cinnamon brown with hairs tawny. 



The female is generally similar in coloration. The general coloration shows a 

 slightly more tawny tinge, the disk of the pronotum being more tawny with fewer 

 dark dots.^' The dorsal surface of the abdomen is more heavily and extensively 

 suffused, mummy brown distad, the lateral margins narrowly outlined in light 

 ochraceous-buff. 



Measurements (in millimeters) 



Length of 

 CT body 



Type 13 



9 

 Allotype 10 3.3 4.6 II. 4 3.8 



The pair is unique. 



Latiblattella angustifrons new species (Plate II, figure 22.) 



Closely related to the preceding species, L. inornata, the males 

 agreeing in size, coloration of pronotum and tegmina and general 

 character of male subgenital plate; differing particularly in the 

 narrower interocular space, shorter and heavier process at the base 

 of the sinistral style, decidedly shorter and heavier tarsal claws and 

 somewhat smaller arolium (compare figures 21 and 22, Plate II.)" 



^' In these features, closely agreeing with the type series of pavida before us. In that 

 species a weak huffy marking is present mesad between the antennal sockets, margined 

 laterad with a somewhat darker suffusion than the general coloration of the face. 



*2 The dark longitudinal markings of the vertex, suffusion of the face and the shorter 

 tegmina and wings, with veins of the latter darkened, may represent additional specific 

 diagnostic features, or may prove to be due to mere individual variation. This can be 

 determined only when series of the insect have been obtained. 



MEM. AM. ENT. SOC, 4. 



