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THE CANADIAN ENTOMOLOGIST. 



usually on distal half of segment, the usual distal ones on base of 

 segment VI; segments III and filament of VI subequal, the latter 

 usually being slightly the longer; total length greater than that of 

 the body. Eyes dark red ; ocelli marked with dark rings. Thoracic 

 lobes brownish or olive brown. Wings with fine blackish veins, 

 the venation as for the viviparous female. Legs pale, excepting 

 tips of femora, bases and extremities of tibiae, and the tarsi, which 

 are dusky to black. Abdomen pale pinkish, with the longitudinal 

 dorsal median area darker and rather conspicuous; the area at base 

 of cornicles yellowish; on each side, anterior to the cornicles, not 

 visible from the dorsal aspect, are three dark spots. Cornicles 

 whitish, semitransparent, with a yellowish tint basally, cylindrical, 

 reaching to or slightly beyond tip of cauda. Cauda pale yellow 

 or cream colour. 



Average measurements from 9 individuals mounted in balsam : 

 Length of body, not including cauda, 1.63 mm.; length, including 

 cauda, 1.80 mm., width 0.59 mm.; length of wing 3.6 mm, width 

 1.35 mm.; length of cornicle 0.36 mm.; length of cauda 0.17 mm. 

 Antennal measurements as follows: 



