130 



THE CANADIAN ENTOMOLOGIST. 



with a few brown scales ; genitalia brown. Legs dark brown, femora and 

 tibite profusely sprinkled with whitish scales, the former yellowish on the 

 posterior portion and at the knees ; claws uniserrated ; wings hyaline, the 

 veins covered with broad brown and white scales, and also some narrow 

 brown ones on the apical third, petiole of first submarginal cell almost 

 two-thirds the length of this cell, 



(^ . — Palpi dark brown, the first joint whitish at the base, and with a 

 yellow band in the centre ; bases of the two terminal joints also whitish in 

 some specimens ; fan-like tufts brown, with yellow reflections. Abdomen 

 with the bands restricted in the centre ; claws uniserrated ; petiole of first 

 submarginal cell almost as long as this cell. 



Genitalia : Clasp elongate, inner margin rounded apically ; sub- 

 a[)ical lobe present, prominent, projecting laterally, setose ; basal lobe 

 well developed, setose, a long spine arising near it, which is curved at the 

 tip ; clasp filament long, curved, two small set^e near the apex, with long 

 apical spine. Harpe jointed, basal segment curved, swollen basally ; 

 apical segment long, dilated centrally, tip curved. Harpago hood- 

 shaped, tip bent laterally. Appendage of eighth segment with long 

 setae. (Fig. ii.) 



a;^:: 



C s xjl vicola 



JO- o a rnioer 

 Fig. II. — Genitalia of Culcx sqiiamiger and s\l\ icola. 



Besides the great differences in the genitalia, sylvicola may be further 

 distinguished from scjiiamiger by the presence of the cinereous scales on 

 the mesonotum ; by the ])roboscis being uniformly almost black instead 

 of pale brown, and by the much darker colour of the femora and tibiae. 



