84 



Bucktonia Lichtenstein 1886; Aphioides, Baizo gia Rondani, 1848; 

 Hamadryaphis Kirkaldy, 1904; Melaphis Walsh. 1886. 



Antennae somewhat shorter than the body, the 3rd and 6th joints 

 subequal, the 4th the shortest, the 5th nearly twice as long as the 4th, 

 anterhinarial slender, small, all the joints, except the first 2, with broad 

 annulations; fore-wings not twice as long as body, the first 2 obliques 

 at the bases very near each other, media obsolete at the basal half, 

 stigmatic nervure at the base somewhat curved; 2 obliques of the hind 

 wings at the bases united, above which the cubitus strongly incurved; 

 legs slender and moderately long. 



Genotype - Pemphigus bursaria L. 



We have in Japan the following 2 gall-making species. 



1. Pemphigus dorocola n. sp. (PL X, f. 7, a, b; pi. XIII, f. 5). 



Winged viviparous female - Body oblong, dark brown, abdomen yel- 

 lowish brown (in formalin), with some greenish tinge; antennae smoky 

 black, the 3rd joint subequal to the 6th, the 4th the shortest, the 

 5th twice as long as the 4th, the 4th and 5th combined as long as 

 the 3rd, anterhinarial slender and twice as long as wide, annulations 

 of the joints are 13, 5, 6, 7; head on the frontal margin somewhat 

 rounded, ocelli in a straight line; pronotum yellowish; fore-wings hyaline, 

 veins and stigma dark fulvous, the first 2 obliques very near from each 

 other at the bases, media at the basal half obsolete, stigmatic nervure 

 opening rather nearer to the apex than in the middle of the stigma; 

 2 obliques of the hind wings at the bases united; cornicles inconspicuous; 

 cauda uscous, small and upturned; legs yellowish brown, with a green- 

 ish tinge. 



Length of body 1.8 mm.; exp. tegm. 5.5 mm.; antennae 0.7 mm. 



