538 



Pomona College Journal of Entomology 



Idiopterus nephrelepidis Davis 



1909 Idiopti'ius nephrelepidis Davis, Ann. Ent. Soc. Am. II, 3, p. 199- 



1910 MacTosiphum hirkidtiyi I'uUiiwiiy, Kept. Hawaii Agrcl. Exp. Sta., pp. 

 22-23, 1910. 



WINGED VIVIPAROUS FEMALE (Figure 176 A) 



Length of body 1.50 mm., width of mesothorax 0.47 mm., greatest width of 

 abdomen 0.6!) mm., wing expansion 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 17C B, D, 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 

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

 (Figure 176 E), IV' three large circular (Figure 17() D), V with two to three 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 III. of anteima; F, article V. of 

 antenna; G, showing variations in wing venation. 



