*o.1Hx. .VA'ir ./ I /'. I A'A'.S'/; liyMKXOI'TEnA—A.SirMKMJ. 189 



APHIDIUS JAPONICUS, new species. 



/'J?y/A«A, -Length 4.8 rnin. Head, sutures of ■icutelluni, the meta- 

 thorax and a^xlomen, except the petiole >>eneath and the apex of the 

 second segment, blaek and shining, rest of thorax and the legs, except 

 the two last joints of tarsi which arf; dusky, yellow. The antenna? 

 are long, filiform, 22-jointed. the first two joints more or \ghh yellow- 

 i ish, the following joints black or brown-black; joints to 21 onlv about 

 twice as long as thick, joints 3 to -o a little longer. Wings hyaline, the 

 stigma and veins light brownish, the basal nen'ure blackish. 



MaU.- Length 4 mm. Agrees well with the female, excey^t that 

 the mesothoracic lobes are 8om(;times dusky, the antenna^ longer, 24- 

 jointed, while the abdomen lieneath, the basal half of the third dorsal 

 ,, segment, and sometimes the sutures 4 and .5 are yellow. 



Type.—Oa.t. No. Tim, U.S.N.M. 



Locality. — Gifu (Y. Xawa). One female and 3 male specimens bred 

 from an Aphis. 



APHIDIUS LACHNIVORUS, new species. 



\ Male.--Litnirth '-jJ') mm. Black and shining: the mesonotal furrows 

 ^ are more or less distinct, the surface on each side, especially pos- 

 teriorly, opaquely roughened, while between them is a more or less 

 , distinct median furrow. The antenn* are long, 26-jointed, the joints 

 , of the flagellum at least twice as long as thick; legs testaceous, the 

 hind coxai and femora black, the hind tibise, except at ba.se, fuscous; 

 the metanotumhas a transverse carina bounding the truncature, but is 

 not areolated, and there is a median furrow extending from the scu- 

 , tellum to the carina. The abdomen is elongate, shining black, except 

 a yellow spot at the apex of the second dorsal .segment; the first seg- 

 ment alone is faintly aciculated basallv. 

 Type.— Cat. No. 7269, U.S.N.M. 



LocfiHty. — Nikko C A . Koebele). One specimen labeled from LachmM 

 sp. on Larch. 



APHIDIUS AREOLATUS. new species. 



Feiaale. — Length 2 mm. Polished black without parapsidal fur- 

 rows, the metathorax with five distinct areas, the areola or middle one, 



' diamond shaped. The antennae are 13-jointed, the first joint of the 

 flagellum aFxjut thrice as long as thick, a little longer than the second, 

 the following very gradually decreasing in length, the penultimate 



' joint being only a little longer than thick, the last, or club joint, large, 

 ovate, longer than the first; legs brownish yellow, the incision of the 

 joints paler; alxlomen lanceolate, longer than the head and thorax 

 united, black, except»the base and apex of the petiole and a spot at 

 apex of the second segment which are yellowish; the petiole is sha- 

 gicf-ned or roughened, otherwise the abdomen is smooth and shining; 

 wings hyaline, the stigma and veins light brown. 



