1905.] NATURAL SCIENCES OF PHILADELPHIA. 437 



Leptomerinthoprora brevipennis n. sp. 



Type: ? ; Pozo Azul de Pirris, Costa Rica. May-June, 1902. (C. 

 F. Underwood.) [A. N. S. Phila.] 



Size rather small; form elongate fusiform; surface of the pronotum 

 and pleura rugoso-punctate. Head with the occiput and vertex 

 rounded, not markedly elevated; interocular region slightly more than 

 half the proximal width of the fastigium; fastigium produced trigonal, 

 the apex rounded, shallowly excavated, margins distinct, lateral view 

 of fastigium rounded, slightly projecting beyond and rounding into the 

 slightly retreating face ; frontal costa strongly constricted at the ocellus, 

 subequal elsewhere, strongly sulcate except dorsad and ventrad ; lat- 

 eral ocelli placed close to the eye ventrad of the margin of the fastigium, 

 median ocellus placed a short distance below the insertion of the an- 

 tennge; eyes reniform, slightly narrower dorsad than ventrad, slightly 



-'P 





Fig. 32. — Leptomerinthoprora brevipennis n. gen. and sp. Lateral view of type. 



longer than the infra-ocular portion of the gena?; antennae missing. 

 Pronotum moderately tectate, median carina slightly elevated ; ceph- 

 alic margin slightly produced and with a very slight median emargina- 

 tion; caudal margin rounded obtuse-angulate, the angle wdth a very 

 slight emargination; transverse sulci three in number, a slight trans- 

 verse depression extending parallel with the cephalic margin, metazona 

 little more than half the length of theprozona; lateral lobes slightly 

 longer than deep, cephalic margin regularly sinuate, ventral margin 

 emarginate cephalad and caudad with a rounded median projection, 

 ventro-cephalic angle obtuse, ventro-caudal angle rounded rect- 



