THE SCALE INSECT GENUS ASTEROLECANIUM 

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Figure 20. — Asterolecamium distinction: A, section of margin, \ 650; />. antenna : 

 C, spiracle, X 815; D, genital and anal area. X 400: /•;. outline, \ 60; F, & 

 dark-rimmed 8-shaped pore, two views; II. disk pore; /. submarginal B-shaped 

 pore; /, dorsal 8-shaped pore; K, marginal 8-shaped pore; L. M. tubular duct, 

 two views; X, internal duct : 0, multilocular pore; P. cones and anal opening, 

 cross section. A. elongatum: Q, section of margin. \ 330; /»'. antenna; S, 

 marginal 8-shaped pore: T, dorsal 8-shaped pore; U, genital and anal area, \ 

 175. 



