3H R. Takahashi. 



Eyes (hiik Iimwi). L'ovnick's ami cauda ])ak' Inxiwn. Wings 

 hyaline; veins and stigma pale lirown. Legs yelluwisli lu-owu: apices 

 of til)iac dark. 



Body oblong, will unit hairs. Eyes large. Frontal tulicrcles very 

 short. Antennae very short. •Vjointed, without hairs: the ord joint 

 with ahout :>3 large sen.soria scattered over the whole length; the 4th 

 imbricated, with a very large sensoria at the apex: the relative length 

 of joints as follows : III— 41, IV— 13. V—:U (12+19). 



Ro.strum reaching beyond the middle legs. Body wanting lateral 

 tubercles. Obliques on the hind wing parallel: liooklets 4. Cornicles 

 dilated on their distal halves. Abdomen just ab(.)ve the cauda with a 

 distinct horn, which is rounded and provided with a pair of short 

 bi-istles at the apex. Cauda dilated at the liasal liall. witli 2 |)airs of 

 lateral bristles. Legs long and thin, with some setae. 



Length of body — 2.3 mm. Antenna — l.t> mm. 



Cornicle — 0.27 mm. Fore wing — .'J. 1 mni. 



Width of fore wing — 1.2 mm. 



Host — tSalu sp. 



Collected by Mr. M. Maki. 



Distribution. — Formosa (Taihoku, Koheki). 



This species is easily distinguished from Cavariella caprae (Fal).) 

 by the 5-jointed antennae, and Ijy the nuich longei' tubercle on the 

 dorsal surface of abdomen. 



Brevicoryne brassicae (L.) 



Aphl!^ hrasskae, Linnaeus, Syst. Nat. i. 2. ]>. 734 (1767) and Fn. 

 Suae. p. 985 (1789); Koch, Die Pfl., p. 14'.), tigs. 203—204(1857); 

 Buckton, Brit. Aphid, ii, p. 33(1875); Thomas, Illinois St. Lab. Nat. 

 Hist. Bull. 2, p. 12 (1878); Oestland, (leol. Nat. Hist. Survey Minne- 

 sota, p. 44 (1886), and Gaol. Nat. Hist. Survey Minnesota, p. 57(1887); 

 Sanborn, Kansas Univ. Sc, Bull. vol. iii. No. 1, p. 54, pi. x. fig. 61 

 (1904); Fullaway, Ann. Kept. Hawaii Agr. Expt. St. p. 40 (1910); 



