2 FARMERS’ BULLETIN 708. 
transparent and white, thickly dotted-with blackish spots which are 
more or less distinctly tinged, giving them a dark-blue or greenish 
‘ast. The thorax is white and has six large black spots and one 
small one, this last being in the center. The abdomen is white, with 
dark crossbands. The female has a wing spread of something over 
4 inches, while that of the male is much less. 
The eggs are oval and salmon colored. 
The larva, which is the form that inflicts the injury, is a fleshy, 
erublike caterpillar of pale-yellow color, very frequently with a 
pinkish tinge, especially when reaching full growth. The head, 
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Fic. 1.—The leopard moth (Zeuzera pyrina): a, Adult female; b, adult male; ec, larva; 
d,empty pupal ease. Enlarged. (Authors’ illustration. ) 
thorax, and plates on the hind end of the body above are brownish 
black, and the entire surface of the body is sparsely hairy and cov- 
ered with large and prominent tubercles arranged as shown in figure 
1, c, which illustrates the larva in natural position when at work 
in a tunnel which it has constructed in the solid hving wood. When ~ 
the larva has completed its growth it is fully 2 inches in length. 
The pupa, or chrysalis, to which the full-grown larva changes, is 
very similar to that of other wood-boring caterpillars. On its head 
is a sharp protuberance which helps it in pushing its way partly 
out of the burrow preparatory to the emergence of the moth. The 
