Matsumura : New Species and Genera of Calltpterinae (Aphididae) of Japan i i j 



Length — 3.5 mm.; antennae 5.5 mm,; exp. teg"m. 11 mm. 

 Nymph — Body pale fulvous, spindle-shaped, at the cauda conically pointed. 

 Antennae distinctly longer than the body, all the joints, except the first 2 joints 

 and 6th, and the postrhinarial at the apices, infuscated ; the 3rd joint lacking sen- 

 soria, subequal to the 4th ; anterhinarial about twice as long as the postrhinarial. 

 Frons with many, thorax and abdomen with a few spatulate bristly hairs. Wing- 

 sheaths reach to the 2nd abdominal segment, and of a pale color. Cornicles at 

 the apices fuscous, strongly dilated at the mouth, cauda large and semicircular. 

 Legs concolorous with the body, tibiae at the ends, and the tarsi, infuscated. 



Length — 2.7-3,5 mm.; antennae 4-43 mm. 



Dab. — Hokkaido (Sapporo). 



F. P. — Aliius japonica (Hannoki), 



Date of Coll — July 2, 19 17. 



Nom. Jap. — Hamio-higenaga-biichiabjira. 



12. Chaitophorus viridis n. sp. 



Winged viviparous female — Body green, in the fluid of Berlese (Preparat) 

 becoming greenish fulvous. Antennae infuscated, at the basal part greenish ful- 

 vous, with long bristly hairs, the 3rd joint with about 12 roundish sensoria; ante- 

 rhinarial about 3I times as long as the postrhinarial. Wings hyaline, with very 

 light fulvous tinge, stigma and veins fulvous. Notum and dorsum brownish, me- 

 sonotum in the middle with a longitudinal paler line; abdomen at the cornicles 

 enlarged, cornicles nearly thrice as long as broad, at the base distinctly inflated; 

 cauda short and rounded. Legs concolorous with the body, apices of the tibiae, 

 and the tarsi, fuscous, the hind femur at the apex somewhat suffused. 



Length — 2.2 mm.; antennae 3 mm.; exp. tegm. 10 mm. 

 Nymph — Differs from the winged viviparous female as follows: — 

 Antennae somewhat shorter, anterhinarial about 5 times as long as the postrhina- 

 rial, the 6th scarcely longer than the 3rd, wing-sheaths, which reach to the 3rd 

 abdominal segment, distinctly shorter, cornicles and cauda infuscated ; notum and 

 dorsum fuscous, the latter at the lateral sides being paler. 



Length — 1.8-2.5 mm.; antennae 2.5 mm. 



Hab. — Hokkaido (Sapporo) ; many specimens collected by the author. 



F. P. — Acer pictuvt (Itaya). 



