A LIST OF THE API! I DI DAE OF JAPAN, WITH DESCRIPTION 383 
the 5th being the largest, oval, occupying the whole breadth of its joint ; wings 
hyaline, with a light fulvous tinge, cubitus and stigma black, the first and 2nd 
obliques fulvous, media and stigmatic nervure paler and with numerous gran- 
nules in a single row ; abdomen at the part of the cornicles with a large round- 
ish fuscous patch, in the middle of which brown cornicles stand; legs yel- 
lowish, tibiae at the apices and tarsi, fuscous. 
Length of body 2.2 mm.; exp. tegm. 8.2 mm.; antennae 0.8 mm. 
Apterous viviparous female — Body dark olivaceous (in alcohol), fusiform, 
broadest between the cornicles; antennae pale yellowish, the 3rd joint longer 
than the 4th, 5th and 61 h taken togeter, the 5th somewhat longer and broader 
than the 4th, the 6th subequal to the 5th ; rostrum reaching to the 3rd coxae; 
abdomen at the apical half with a large whitish patch, on each side of which 
with a fuscous tubercle, carrying a short fuscous hair; cornicles large, very 
short, only represented as a ring; the upper genital plate short, the lower 
genital plate large, both being rounded on each hind margin and running near- 
ly in parallel, having some long hairs; legs greenish yellow, hind tibiae at 
the apices and the same tarsi, except bases, fuscous. 
Length of body 2.1 mm.; antennae 0.7 mm. 
Hab. — Honshu (collected by Mr. Jiko Adachi at Tamba). 
F. P. — Pirns sinensis. 
Nom. Jap. — Nashi-midori-uabnra. 
19. Nippolachnus abietinus n. sp. 
Winged viviparous female — Body oblong, brownish in color ; antennae 
yellowish brown, somewhat longer than the head and thorax taken together, 
the 3rd joint subequal to the 4th, 5th and 6th taken together, the 3rd with 
6-7, the 4th and 5th each with 2 and the 6th with one large rouudish sensoria, 
the 6th fusiform, anterhinarial as broad as the postrhinarial at the base; rost- 
rum reaching a little beyond the 2nd coxae; wings hyaline, with a yellowish 
tinge, stigma long, brownish, veins fulvous, media and stigmatic nervure 
obsolete, subhyaline, the latter at the base being fuscous ; abdomen oval, being 
