THE EOSE APHIS. 



eyes are dark red, the cauda is yellowish, and the veins of the wings 

 are light yellow. The legs, antennae, and cornicles are very long and 

 slender, the antennae longer than the body. The length of the body 

 is about one-twelfth of an inch (2.5 mm.) from the front to the tip of 

 the cauda and the length of wing about one-sixth of an inch (4.2 mm.). 



--x^ 



Fig. 1. — The rose aphis (Macrosiphum rosse): a, Winged viviparous female; b, wingless viviparous female; 

 c, e , g, third antennal article, cornicle, and style, respectively, of winged female; d, f, h, same of wingless 

 female. Greatly enlarged. (After Essig.) 



In the wingless female, also (fig. 1, b), the body is pear shaped, 

 more or less blunted at the posterior end, and pinkish or bright green 

 in color. The eyes are red. The antennae are as long as the body 

 and very light green. The cornicles and legs are long and slender 

 and light green. The length of the body is about one-twelfth of an 

 inch (2.5 mm.). 



