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F. P. — Betula japonica. 



Nom. Jap. — Kaba-Mrata-abura. 



IL Subfam. Mindarinae. 



Antennae 6 jointed, the 3rd joint longest, s-ubannulated, anterhinarial 

 short, distiuct; rostrum moderately long; fore wings with forked or 

 not-forked media, the first 2 obliques separated from each other at the 

 bases; hind-wings with 2 obliques; young larvae with 5 (alwaysP) jointed 

 antennae; anal plate not bilobed; gonapophyses wanting; cornicles wanting 

 or inconspicuous; legs modelrately long. 



Only the following one genus is known in Japan. 



1. Gen. Mindarus Koch, 1857. 

 ( Aphid. P. 277 ) 



Antennae moderately long, the 4th, 5th and 6th joints ?ubequal, the 3rd 

 somewhat longer than the 4th and 5th combined, anterhinarial short; wings 

 moderately large, costal area in the middle much dilated, stigma very 

 long, reaching to the apex of the wing, stignvitic nervure arising from 

 thfi base of the stigma, the first 2 obliques arising nealy from a point; 

 legs moderately long. 



Genotype - Mindarus abietiuus Koch. 



We have in Japan only the following one species. 



1. Minbarus abietiuus Koch. (PI. X. 8, a, b, ) 

 Mindarus abietinus; Koch, Aphid. P. 278, f. 350, 351 ( 1857 ). 

 Winged viviparous female - Body ohlong, green, antennae, head, 

 thorax and some bands of the abdomen, black, with white cottony 

 secrations; antennte readies nearly to tjie middle of the abdomen; 3rd 

 joint with about 18 subannnlated sensoria, annulations of the 4th, 5th 

 and 6th joints being not distinct, anterhinarial only 1/4 the length 



