70 



INSECUTOR INSCITI^ MENSTRUUS 



pleurae with a distinct whitish poUinose band extending from 

 base of fore coxae to the abdomen (this is obsolete in vitripen- 

 nis) ; the humeri whitish poUinose ; wings with rather faint 

 pattern, which Daecke has figured (Ent. News, 1907, Vol. 

 18, p. 144, pi. 6, fig. 9). 



Chrysops vitripennis also has different habits from C. nigri- 



Bombylius azalea, female 



bimbo which is found in pine barrens. Mr. McAtee gives the 

 following note: "The little Chrysops, that so far has been 

 taken only in the peculiar sphagnum bogs that drain into Big 

 Paint Branch, near Beltsville, Maryland, has distinct habits 

 from other species now known to occur in this region. It 

 perches on grass blades or other low vegetation only a few 

 inches above the water or wet ground and when flushed flies 



