NORTH AMERICAN NEUROPTERA. 35 



My three specimens are of different ages ; in the oldest individual 

 the colors are darker, often pruinose, the yellowish colors on the 

 head become brownish, the yellow on the sides of the thorax is more 

 restricted. 



A hitherto unrecorded locality for this species is New Jersey, 

 where Mr. S. F. Aaron has taken males on July 21st (Araer. Ent. 

 Soc. collection). 



Lieptlieniis gravida (Hagen mss.) u. sp. 



% .—Vertex prominent, dark metallic blue (brownish in younger individuals), 

 truncated and slightly grooved at summit. Frons dark metallic blue (or brown- 

 ish), sometimes with a brownish spot each side above, with a median groove 

 above. Nasus yellowish, brownish or bluish in the middle. Rhinarium yellow- 

 ish or brownish. Labrum dark metallic blue. True labium black. Labial 

 palpi yellow, internal margin broaclly edged with black. Mandibles black, with 

 a yellow spot at base. Occiput dark brown. Eear of eyes black, with two 

 yellow spots (obscure in older individuals). 



Prothorax pruinose, anterior lobe with its anterior margin edged with yellow, 

 posterior lobe broad, bilobed. 



Thorax reddish brown (pruinose in older individuals) : a more or less distinct 

 transverse black band at anterior margin, some blackish marks near the bases of 

 the feet. 



Feet black, or dark brown. 



Abdomen bright yellowish, or reddish brown, dorsum of segment 2 sometimes 

 blackish at apex ; 3 with a small black spot on each side of the dorsum at apex, 

 or as in 4-9; 4-9 with a dorsal median black band, dilated at the apex and some- 

 times at the base of each segment; on 9 the reddish brown is reduced to a small 

 spot each side ; dorsum of 10 with a small blackish spot at base. Abdomen be- 

 neath light brownish, most of the segments with a blackish streak each side. 

 In older individuals the abdomen is mostly pruinose, except the last segment. 

 The abdomen is compressed at base, slightly narrower at 3, becoming a little 

 wider at 6, thence decreasing slightly to the apex. 



Genitalia of second segment as follows: Anterier lamina stout, deeply bifid, 

 its apices projecting further downwards than any other part, and armed with 

 short spines Hamule small, simple, curved ; apex acute, black, directed out- 

 wards. Genital lobe short, projecting downwards as far as the hamule projects, 

 or a little farther, rounded at the apex, which is broader than at the base. 



Superior appendages a little shorter than the last two segments, brownish, with 

 short hairs. Viewed from above, they are approximately parallel ; each appen- 

 dage is constricted after the base, and gradually becomes thicker towards the 

 apex, especially on the internal side; apex obtuse, rounded, bearing a minute 

 terminal spine. 



Viewed from the side (see PI. V, fig. 11), each appendage curves downwards 

 from its base, becoming thicker towards the apex; the inferior margin at a little 

 more than midway from the base bears a rather prominent tooth, and, on the 

 basal side of this tooth, 7 to 10 denticles. 



Inferior appendage extends a short distance beyond the tooth of the .superiors. 

 Viewed from below (PI. V, figs. 12, 13), its lateral margins are .seen to converge 



