Misc. Pub. 344—U. S. Department of Agriculture PLATE8 
Spiracular-body margin areas: A, Parlatoria crotonis, showing anterior spiracle 
with disk pores, smal! circular cicatrix about halfway to margin, protruding 
marginal spur, prespiracular, anterior spiracular, intermediate, and posterior 
spiracular tubular duct clusters, posterior spiracle, and associated derm pocket 
Grregular black spot almost opposite spiracle, and about one-fourth distance to 
body margin). B, P. fulleri, showing anterior spiracle, with disk pores, pre- 
spiracular, anterior spiracular, intermediate, and portion of posterior spiracular 
duct tubercle clusters, posterior spiracle, and associated derm pocket (as an 
irregular dark spot opposite spiracle and about two-fifths distance to body 
margin). C, P. oleae, showing anterior spiracle with disk pores, prespiracular, 
anterior spiracular, intermediate, and portion of posterior spiracular duct 
tubercle clusters, posterior spiracle, and absence of associated derm pocket. 
D, P. pergandii, showing anterior spiracle with disk pores, prespiracular, 
anterior spiracular, intermediate, and portion of posterior spiracular duct 
tubercles, posterior spiracle, with associated small tubular ducts, and absence 
of derm pocket. All from same specimens listed in explanations of plates 3 
and4. X 245. 
