MORGAN HEBARD 29 



space, more deplanate face, -^^ cephalic femora with ventro-ccphalic 

 margins showing intermediate spines grading from the heavy 

 proximal to the piliform distal series, longer pronotum with ex- 

 tensive mesal area unicolorous and lateral margins narrower and 

 transparent, more elongate distal enlarged portions of the costal 

 veins of the wings and slightly more produced, but still strongly 

 transverse, supra-anal plate. 



Type. — cf ; Gatun, Canal Zone, Panama. July 25 to 31, 1916. 

 (D. E. Harrower.) [Hebard Collection, Type no. 432.] 



Size medium small, form moderately slender, structure very delicate; much as in 

 abortiva. Interocular width about one-third that between the antennal sockets, 

 ocellar spots distinct but irregular, face strongly flattened. Maxillary palpi elon- 

 gate, with distal joint decidedly enlarged. Pronotum very weakly convex, showing 

 weak but distinct medio-cephalic and latero-caudal flattening; lateral margins very 

 narrow, transparent, very weakly declivent, curving upward to weakly cingulate 

 margins; outline elliptical, showing a decided caudal truncation, point of greatest 

 width mesad. Tegmina and wings fully developed, extremely delicate in structure, 

 with numerous discoidal sectors (twelve) oblique; area of dextral tegmen con- 

 cealed when at rest, less sufifused and with cross-veinlets more decided. Wings with 

 costal veins (eight) elongate clavate distad, beyond these the remaining costal 

 veins are not clavate but fork frequently distad; intercalated triangle small. Dor- 

 sal surface of abdomen unspecialized. 



Supra-anal plate strongly transverse, but with free margin obtuse-angulate, with 

 apex broadly rounded. ''- Subgenital plate convex; lateral margins convergent and 

 feebly concave in proximal third, remaining third occupied by the broad basal 

 portions of the heavy and deeply inset styles, leaving between these only a narrow 

 aciculate produced median portion of the plate. Styles symmetrical, heavy, broad 

 at bases, with external surfaces there deplanate, thence tapering to the cylindrical 

 and bluntly rounded distal portions which are directed caudad and are nearly 

 attingent, these produced distal portions armed on their dorsal surfaces with a few 

 stout, minute, chitinous spines directed caudad. 



Cephalic femora with \'entro-cephalic margin armed proximad with heavy 

 elongate spines, which decrease gradually in size and length distad to a row of 

 minute chaetiform spines, terminated by two heavy spines, elongate in increasing 

 ratio distad; ventro-caudal margin armed with a single medio-distal and a single 

 distal spine. Other femoral margins armed with moderately strong spines. Elon- 

 gate tarsi with a single pulvillus occupying the ventral surface of the fourth joint. 

 Arolia present, distinct but small, as in abortiva. 



" In this feature approaching the condition found in some species of Neoblattella. 



^ As but two males of this species are known and the organs of the anal chamber are 

 only partly visible, we do not describe them in detail. We can, however, state that the 

 concealed genitalia are much more simple than in abortiva, without the remarkably spe- 

 cialized organ found in that species. 



MEM. AM. ENT. SOC, 4. 



