the canadian entomologist 243 



Subfamily Tipulin.e. 

 Genus Tipula Linnaeus. 

 Tipula margarita, new species. 



General coloration of the head and thorax light gray; an- 

 tennae short, black, the three basal segments orange-yellow; 

 femora with a broad, subterminal yellow ring; wings with four 

 brown cross-bands; abdomen yellow, the tergites with a broad, 

 dark brown median and narrow dark brown sublateral stripes; 

 lateral margin of the tergites broadly light gray; male hypopygium 

 with the ninth tergite large, subquadrate, with a deep median 

 split; ninth pleurite complete. 



Male. — Length about 13 mm.; wing 14.4 mm. 



Frontal prolongation of the head long, grayish above, more 

 reddish laterally, nasus long and slender. Palpi with the first 

 segment reddish, the remainder black. Antennae with the first 

 segment long and slender, orange-yellow, a little grayish pruinose 

 on the basal fourth; segments two and three orange-yellow, re- 

 maining flagellar segments dark brown, the apices only a little 

 more reddish ; flagellar segments very short with long verticils, the 

 basal swelling inconspicuous, only a little thicker than the rest of 

 the segment. Head gray, on the disk of the vertex suffused with 

 brown; vertical tubercle prominent, narrowly split by a deep, im- 

 pressed median line; occiput more reddish. 



Thorax gray, the praescutum with three dark brownish gray 

 stripes, the median one longest, broadest in front, narrowed to the 

 suture; scutum light gray with two darker gray blotches, the 

 larger of which lies on the scutal lobes; scutellum light gray with 

 a faint, reddish cast; postnotum light gray with a narrow, in- 

 distinct median brown line which is continued forwards on to the 

 scutellum. Pleura light grayish pruinose. Hal teres rather short, 

 yellow, the knobs dark brown. Legs with the coxae light gray 

 pruinose; trochanters dull yellow; femora yellow, beyond the 

 middle passing into light brown; tips broadly black, a broad, yelloAV 

 subterminal annulus; this yellow femoral ring is most distinct on 

 the fore legs, less evident on the posterior legs; tibiae and tarsi 

 dark brown. Wings whitish with a heavy brown pattern; dark 

 brown blotches at the arculus, stigma, and a smaller one at the 

 origin of the sector; four grayish brown cross-bands, the first 



