Apliidiclae of Formosa — 4. 27 



Toyota on November 15, 1924. 



This species resembles Fullawayella in the characters of the corniles, 

 wing-veins, etc., hut differs from it in the nature of the frontal tubercles. 

 FvRatoayellq Isirkaldyi Full, has never been discovered in Formosa. In Formosa 

 three aphids A. Icatol Takah.. Myzus woodioardiae Takali. and M. pc&ypodicola 

 Takali.. are now known to occur on the Polypodiaceae. 



Amphorophora sp. 



(PL II, B, rig. 2) 

 Wingless viviparous female 



Green, somewhat yellowish. Eyes almost black. Antennae dusky, with the 

 3rd joint mostly pale brownish. Cornicles pale yellow, with the tips dusky. 

 Cauda pale green. Legs pale brown, apices of tibiae, and tarsi black. Body 

 without distinct hair/. Frontal tubercles distinct, convex on the inner side. 

 Antennae long, slender, imbricated, provided with a few very short setae; the 

 3rd joint lacking sensoria : the .5th with the sensorium small, the relative length 

 of joints about a- follows; IK 110, IV-77, V-65, VT-160 (30+130) Cornicles 

 rather stout, somewhat dilated at the base, moderately expanded on the distal 

 half, not imbricated, a little striate at the tip, almost as long as the 4th antennal 

 joint, twice or more times as long as the cauda. Cauda stouter than the cornicle, 

 narrowed on the distal portion, provided with 2 ? pair- of long lateral bristles. 

 Leg very long: tibiae rather stout, mere so than the 3rd antennal joint, but 

 much more slender than the cornicle: hind tarsi shorter than the basal part of 

 tin* last antennal joint. 



Host. — Stellaria aquatica. 



Distribution. — Formosa : Taihoku. 



Hitherto unrecorded from Formosa. An apterous specimen was collected 

 by the author on April 13, 1922. 



Brevieoryne brassicae L. 



Aphididae of Formosa, part 1. p. 38 (1921). 

 Host. — Brassica oleract a. 



Distribution in Formosa — Sankakuho (altitude about 7500 feet) in Taichu- 

 prefecture. 



Many apterous viviparous females were collected by the author on May 20, 



