CHAP. XX. SCALE-INSECTS 



129 



last segment of the female insect usually presents four groups 

 of spinnerets; in a few species there are five or six groups, 

 and in some they are wanting. Examples The Red-scale 

 (Fig. 159), the Lemon-peel scale (Fig. 293) and the Red-scale 

 of Florida (Fig. 311). 



Genus DIASPSIS (Costa). 



This genus includes species in which the scale of the female 

 is more or less rounded, with the exuvia? at the center or upon 

 the sides ; the scale of the male is long, white, carinated, and 



