THE CANADIAN ENTOMOLOGIST. 315 



resembling those described and figured by Felt (N. V. State Museum, 

 Bulletin 97), for Culicada co?ifir??iatHS, Theo. The spine at the apex of 

 the terminal clasp segment is about one-fifth length of segment. Claspette 

 obsolete, represented by a few weak setc'e and long hairs, one hair much 

 longer than the others, curved at the tip and swollen towards the base. 

 Harpes slender, curved, base without hairs. Harpagones stout, very 

 deeply infuscated, with a recurved sharp point. Setaceous lobes with a 

 few short, stout setc^. Length, 3.5 mm. 



Notes on the adult larva. — The fully grown larva attained a length 

 of nearly ^ inch. Head nearly circular, deeply infuscated; antennae 

 uniformly chitinized, short, stout, subconical, gradually tapering to the 

 ai)ex, straight along the inner surface, outer surface with a constriction at 

 the lower third, giving the antennal shaft a semi-bulbous outline at the 

 base. Apex with four short, stout spines. Tuft below the middle of 

 about six short hairs not reaching to the apex. Lower surface of 

 antenna with a few large isolated chitinous spines, upper surface with 

 several longitudinal lines of small closely-placed spines; these lines extend 

 through nearly the whole length of the antennal shaft ; near the base they 

 divide and ramify. The spines vary much in size, and are for the most 

 part directed inward?. Menlum broadly triangular, with about 40 rather 

 small teeth. Upper and lower epistomal hairs single, short: anteantennal 

 hair tuft with about ten divisions. Thorax densely spinous, wnth short, 

 stout, thorn-like spines ; abdominal spines less dense, arranged in 

 ill-defined transverse rows. Lateral hairs paired on the first 

 segment, single on all the other segments. Scales of lateral comb about 

 15 in a group. Each scale bordered with fine setne, one or two rather 

 longer terminal spines, the longest of these about half as long as the body 

 of the scale. Air tube about twice as long as broad, a little inflated above 

 the base, deeply infuscated except just at the apex ; pecten reaching to 

 the middle, a pair of rather weak hair tufts on a level with the highest 

 pair of pecten teeth ; teeth about 15 in number, deeply chitinized, each 

 tooth with several minor teeth on the inner side, one of the latter greatly 

 exceeding the others in size. Anal plate comjjletely encircling the 

 segment, about two-thirds as long as broad ; ventral hair tufts about 

 ten pairs springing from a separate barred area ; dorsal group of two 

 pairs, upper pair short, compound ; lower simple, four times as long as 

 the former. Anal gills equal, lanceolate, narrowing to a fine point, about 

 half as long again as the ventral hair group. 



