Matsumura : Nbw Speciks and Gknkra oi' CaLLIPterimae (Aphioidak) ok Japan i i } 



than the body, at the extreme base and :it the apical one thh-d fuscous, tlic 4th joint 

 distinctly longer than the 5th, the 3rd scarcely/ longer than the 4th and 5th com- 

 bined, the 6th subequa! to the 4th, lacking distinct sensoria. Legs fulvous, post- 

 erior femora, bases of the same tibiae, as well as the tarsi, fuscous. 



Length — 1.2 mm.; antennae i.o mm. 



Hab. — Hokkaido (Koshimizu in Kitami) ; manv specimens collected by 

 the author. 



F. P. — Popnlus sicboldi {Hakoyaiiagi}, attacking the shoot. 



Date of Coll. — Aug. 15, 1917. 



Nom. Jap. — Doro-shiminc-keiibura. 



15. Chaitophorus dorocolus ". sp. 



Winged viviparous female — Much resembles C. popiili sieboldi M.VTS., but 

 differs from the latter in the following points : — 



Antennae with much less hairs, the 3rd, 4th and 5th joints distinctly shorter, 

 anterhinarial nearly 2\ times as long as the postrhinarial, the 3rd joint with about 

 7 large indistinct sensoria. Wings narrower, veins much robuster, stigma nearly 

 4 times as long as broad, stigmatic vein opening at rather nearer to the ape.x. 

 Abdomen narrower, cornicles longer, fuscous, at the base paler. 



Length — 0.9-1.2 mm.; antennae i.o mm.; exp. tegm. 4-4.4 mm. 

 Apterous viviparous female — Body much narrower; antennae at the basal half 

 fulvous; thorax and abdomen above lacking fulvous stripe. 

 Length — 1.3 mm.; antennae 0.9 mm. 

 Hab. — Hokkaido (Teshikaga in Kushiro); many specimens collected by 



the author. 

 F. P. — -Popnlus sicboldi (Hakoyaiiagi), on the under surface of the leaves, 



covered with woolly secretion. 

 Date of Coll. — Aug. 11, 1917. 

 Nom. Jap. — Doro-zvata-keabnra. 

 This species resembles also C. japonica Ess. et Kuw., but differs from the 

 latter especially in the relation of the ante- and postrhinarial. 



