8 n *•)•— n H; K- f4 ■&. ill'. I-1- » ;?)i f'l! I - «t -c 



aiitciliinaiial iicirly i J times as Inno- as the postrliiiiaiial. W'iiiL; with a pale 

 ftiUdiis tint^e, stigma i)ale ijiayisli, at tlii- hind niaijjin somewhat intiiscated, veins 

 fulvous. Cornicles dark fuh'oiis, somewhat broader than the hind tibia, as lonfj 

 as the same tarsus. Cauda fulvnus, with very fine .<,'ra\'isli hairs, neai"l\' i A times 

 as long as the cornicles, antl ncarl)- as Ijroad as the |)osti"ior femur at tlie apex. 

 Legs fuU'ous, femora and tibiae at tlie apices, and the tarsi, fuscous. 



Length — 1.5 mm. (e.\cl. cauda); exp, 5.5 mm.; antennae 1.5 mm., corn- 

 icles 0.18 nun.; cauda 0.22 nun. 



I lab. — 1 lokkaido (Sapporo) ; in the early part of June, 1917, collected by 

 the author in tlie Botanical Garden of the Imperial Agricultural College. 



F. P. — 1 lialictniin aquilc^ifoliiini : attacking the up[)er part of the shoot. 



Nom . [ap. — Karainatsmo-ahiira. 



11. Rhopalosiphum hydrangeae n. sp. 



Wingetl vi\'iparous female — Body d.u'k brown, head, pronntimi and the basal 

 one-half of the abdomen, fulvous. .Antennae fuscous, distinctly longer than the 

 body, the 3rd joint at the base pale fulvous, with about 21 sensoria on the outer 

 side, the 4th with about 3 .sensoria near the base, somewhat shorter than the 3rd, 

 and much longer than the 5th ; anterhinarial onh- 2\ the length of the 5th ; anten- 

 nal-process as long as the 2nd joint, but much broader than the first. W'ings with 

 a light fulvous tinge, \-eins fuh'ous, 2ni\ furcal nearly at the middle of tlie first, 

 stigma pale grayish. Abdomen on the sides fuscous spotted. Cornicles fuscous, 

 long, much dilated near the middle. Cauda fulvous, conical, about 1/3 the length 

 of the cornicles. Legs fulvous, the apical halves of the femora, apices of the 

 tibiae, and the tarsi, fuscous. 



Length — 2 mm.; exp. 7 mm.; antennae 3 mm.; cornicles 0.5 mm.; cauda 

 0.2 mm. 



Apterous viviparous female — Diffeis from the winged vivii)arous female as 

 follows : 



Body broader, brownish yellow. Antennae fuscous, at the basal 1;'3 pale 

 fulvous, the 3rd joint with 2 or 3 sensoria, 4th much shorter than the 3rd, the 5th 

 somewhat shorter than the 4th ; anterhinarial nearly 4 times as long as the ]JOSt- 

 rhinnrial. Legs pale fulvous. 



