Matsu.ml'ra : New Aphidinak of Jafa.v. j,, 



of the abdomen. Cornicles near the base somewhat incurved, distinctly broader 

 and longer than the tarsi. Cauda nearly as long as wide, rounded. Legs concolo- 

 rous with the abdomen. 



Length — 1.7 mm.; exp. 6 mm ; antennae 1.3 mm.; cornicles 2.4 mm. 

 Apterous viviparous female — Differs from the winged viviparous female as 

 follows : 



Body broad oval, brownish. Antennae much shorter, the 3rd joint witli a 



(ew indistinct sensoria on the outer side, shorter than the 4th and 5th combined, 



the 5th distinctly longer than the 4tl), the 6th somewhat infuscated. Abdomen 



wants fuscous spots and bands. Cauda much broader, broader than long. 



Length — 2.4 mm.; antcimae 1.2 mn).; cornicles 2.5 mm. 



Hab. — Hokkaido (Sapporo); in the latter part of June, 1917, collected by 



the author in the Okada-garden at Nakajima-Park. 

 F. P. — Pirns coiniiiuius ; attacking the under surface of the leaves, coverd 



with white woolly secretion. 

 Noiii. Jap. — N'ashi-inanuibnra. 



5. Myzopsis n. g. 



Much resembles Myzns Pass., but differs from the latter as follows : 

 Antennae much longer than the body, the antennal-process onl\' one-half the 

 length of the first, with a large wart-like projection on the inner side, the 3rd 

 somewhat shorter than the 6th, the 4th and 5th gradually descreasing their lengths; 

 anterhinarial about 2\ times as long as the postrhinarial. Wings broad and long, 

 first oblique nearly in the right angles to the cubitus, much separated from the 

 2nd oblique than the media is separated. Cornicles slender, very long, cylindri- 

 cal. Cauda long, about twice as broad as the cornicles, conical, in the middle 

 somewhat constricted. 



Genotype — Myzopsis dierviUae Mats. 



27. Myzopsis dierviUae n- sp. (PI. L f. 2, a, b, c). 



Winged viviparous female — liody broad fusiform, dark \'ellowish brown, with 

 a greenish tinge. Antennae somewhat longer than the body, the 3rd joint with 

 about 20 sensoria, the 4th and 5th joints wa:it sensoria; anterhinarial somewhat 



