THE CANADIAN ENTOMOLOGIST 211 



Tipula insulicoia, sp. n. 



Antennae annulated black and yellow; thorax without indis- 

 tinct brown stripes; wings light yellow with a prominent oval 

 brown stigma; abdominal segments with a dark caudal margin. 



Female. — Length 11.2 mm.; wing 11.3 mm. 



Female. — Palpi and frontal prolongation of the head brown, 

 the latter short and stout; antennae with the three basal segments 

 yellow, remaining segments with the basal two-fifths dark brown, 

 the apices light yellow, these colours abruptly contrasted; front, 

 vertex and occiput brown. 



Praescutum dull yellow with three indistinct, brown stripes of 

 which the median one is broad, the lateral ones shorter and nar- 

 rower; scutum with the lobes reddish; scutellum and postnotum 

 dull yellow. Pleura dull yellow. Halteres dull yellow. Legs: 

 coxae, trochanters and femora light yellow; tibiae brownish yellow, 

 a little darkened at the tip; tarsi brown. Wings light yellow, 

 cells C and Sc. a little brighter; stigma prominent, oval; an in- 

 distinct hyaline stripe across the wing beginning before the 

 stigma and including cell 1st M2. Venation, see plate 16, figure 6. 



Abdominal tergites dull yellow, each segment narrowly but 

 distinctly margined with dark brown all around, sternites very 

 pale, almost white, each segment with the caudal margin narrowly 

 brown; genital segment reddish yellow. Ovipositor with the tergal 

 valves having a stout, enlarged base, the valves produced caudad 

 into exceedingly slender points which are slightly expanded at 

 their tips; tergal valves much shorter than the elongate, bladelike 

 sternal valves which are directed caudad. 



Holotype, 9 , Tokyo, Japan; August ,1912 (Vial K). 



(To be continued.) 



TWO. NEW CALIFORNIA THAMNOTETTIX 

 (HOMOPTERA). 



BY E. D. BALL, LOGAN, UT. 



While collecting in California, several years ago, a single 

 specimen of a beautiful Thamnotettix was captured, but escaped 

 from the net; not, however before its characters were pretty defi- 



June, 1914 



