INSECTS INFESTING ORANGE TREES, ETC. 157 



l)ro\vii: ;.^c, young larva, highly magnified — color, yellow ; 2d, 

 2c and 2_f\ the scales in different stages of formation. 



Professor Comstock deseril)es this species as follows (Fig. 

 132): " Female Scale. — Color, the ])art of the scale covering 

 the second skin is a light reddish-brown ; the remainder of 

 the scale is much darker, varying from a dark reddish-brown 

 to black, excepting the thin part of the margin, which is gray ; 

 exuviae nearly central, whitish in fresh specimens ; form circu- 

 lar, one line in diameter. Male Scale. — The scale of the male 



