538 



Pomona College Journal of Entomology 



Idiopterus nephrelepidis Davis 



1909 hlioptrnts ucphrelepidis Davis. Ann. Ent. Soc. Am. II, S, p. 199. 



1910 Macrosiphum kirhaldyi Fullaway. Rept. Hawaii Agrcl. Exp. Sta., pp. 

 22-23, 191". 



WINGED VIVIPAROUS FEMALE (Figure 176 A) 



Lciigtli of body 1.50 mm., widtli of mesothorax 0A7 mm., greate.st width of 

 abdomen 0.65 mm., wing expan.sion 5.20 mm. 



Prevailing color — Very dark olive green to black, may be slightly brownish, 

 especially mounted specimens. Head — Broader than long, olive green to brownish. 

 Eyes — Very dark red. Antennae — (Figure 176 B, I), E, F). Situated on promi- 

 nent approximate, frontal tubercles, slender, longer than the body, nearly hairless, 

 whitish in color with articles I, II and III dusky throughout and the articulations 

 of the remaining articles also black, lengths of articles: I, 0.1 mm.; II, 0.08 mm.; 

 Ill, 0.42 mm.; IV, 0.25 mm.; V, 0.23 mm.; VI, 0.65 mm. (spur 0.5 mm.), total 

 1.7S mm.; sensoria are distributed on articles as follows: III with ten large circular 

 (Figure 176 E), IV three large circular (Figure 176 D), V with two to tliree large 



Figure 176. Idiopterus nephrelepidis 

 A, winged viviparous female; B, antenna of winged female; C, cornicle of 

 winged female; D, article IV. of antenna; E, article 111. of antenna; F, article V. of 

 antenna; G, showing variations in wing venation. 



