October 1S96.J 



PSYCHE. 



133 



b^ Tegmina of 9 much shorter than the al:)domen ; wings wanting, 

 c' Ovipositor barely arcuate. 



d'. Tegmina ot 9 no longer than head and pronotum combined. 



mormonius. 

 d'. Tegmina of 9 distinctly longer than head and pronotum com- 

 bined. 



e'. Longitudinal markings of head continuous to extreme back 

 of same ; ovipositor with distinct and well separated teeth at 

 apex. ........ tolteciis. 



e'-. Longitudinal markings of head interrupted at the crown, 

 the whole back portion immaculate, sharply defined from the 

 portions in front at the summit, which is feebly subcarinate 

 transverselv ; ovipositor with fine, close, minute denticnlations. 



mexicanus. 

 C-. Ovipositor distinctly though but feebly arcuate. . carolinus 



N. delicatussp. nov. Head piceous marked 

 by a slender longitudinal luteous stripe on 

 either side next the eye and extending from 

 the antennal scrobes to the back of the head, 

 sometimes accompanied by a pair of shorter 

 dorsal stripes posteriorly; witliout bristles; 

 eyes moderate, rather prominent; antennae 

 dark fuscous; maxillary palpi pale luteous, 

 the outer side of the antepenultimate joint 

 and more than the apical half of the last joint 

 dark fuscous, the latter bent in the middle 

 where the oblique apical excision begins. 

 Pronotum equal, slightly less than twice as 

 broad as long, blackish fuscous, glistening, 

 rather sparsely beset with not very long black 

 bristles. Tegmina reaching scarcely beyond 

 the middle of the abdomen, apically roundu-d, 

 more broadly in the 9 than in the J, in- 

 fumated or testaceous, the upper portion of 

 the lateral field narrowly and the inner border 

 of the dorsal field broadly dark fuscous ; 

 wings very long, reaching in the 9 the tip of 

 the ovipositor. Legs fuscous, more or less 

 hiteo-testaceous beneath. Cerci delicately 

 tapering, a little shorter than the ovipositor 

 in the 9- Ovipositor straight except for a 

 slight basal bend, a little longer than the 

 hind femora, the apical blades rather small, 



slightly enlaiged at the base, with straight 

 inferior margin, unarmed. Length of body, 

 J, 8 mm., 9 18.75 mm.; of hind femora, ^, 

 5.5 mm., 9 ' 6 mm. ; of ovipositor, 6.9 mm. 



2 J , 2 9 . San Rafael, Vera Cruz, Mexico, 

 Townsend ( L. Bruner), 



N. pictus sp. nov. Head rather prominent 

 anteriorly, luteous, heavily marked with 

 blackish fuscous above, which does not reach 

 the eyes and is broken by a pair of obliquely 

 longitudinal, narrow, luteous dashes on 

 either side, the outer more posterior, more 

 oblique, and open in front toward the eyes; 

 clypeus infuscated; eyes not very large, very 

 full and prominent ; antennae luteous ; max- 

 illary palpi luteous, the last joint feebly 

 and narrowly infuscated at extreme tip, the 

 very oblique apical excision beginning well 

 beyond the middle. Pronotum equal, less 

 than twice as broad as long, dull luteous, 

 obscurely and broadly fuscous in the middle 

 of either side of the disk and having an 

 impressed crescentic darker spot, sharply 

 margined with black, opening forward on 

 either side just before the middle; without 

 bristles except along the front and hind mar- 

 gins and there short. Tegmina scarcely 

 exceeding the middle of the abdoinen, dull 



