Aphididae vC Formosa. — 3. 1(J<J 



the base, somcwliat curved, rather stouter than the liiiid tibia, imbricated through- 

 out except ou tiie basal portiou, not reticuhited, ahnost as long as the 3rd, 4th and 

 5th antennal joints taken togcth(!r, provided with a few rather long stout hairs on 

 the distal portion and with a few similar bairs distributed throughout the whole 

 length. Cauda wider than long, Licking a process, provided with many very long 

 hairs. Anal plate very short, rounded, provided with many long hairs. Legs 

 slender, with many rather k)ng setae on tlie tabia; hind tarsi shorter than the Ijase 

 of the last antennal joint. 



Length of body-about 1.75 mm. Anteuna-about 1.0 mm. 

 Fore wing about 2.5 mm. C'ornicle-about 0.8 mm. 



Fully grown nymph of winged viviparous female. 

 , Body provided with many branched projections as in the wingless form. 



Eyes large, with ocular tubercles. Antennae short, 4-jointed; the relative lengtli of 

 joints about as follows: III 53, IV-43 (19-f-24). Cornicles longer than the projec- 

 tions on the body, imbricated, provided witii few liairs. Cauda with a process. 



Many winged and wingless viviparous females were collected by the author on 

 the leaves of Qucrcas acrrala on June 20, 1923, at IMoguro, near Tokyo. 



Calaphis magnolicolens Takah. 



Japanese ApJiididae-l (publlsJied by the author), j). 27 (1021); ^^gj— ^ 

 41-ft^^lrL I'- -■! ( 1921 ) ; Aphididac of Formosa-2, p. 125 ( 1 923 ). 



Winged viviparous female. 



M'liite or pale yellow. Eyes red. Antennae wJiite, with the apices of joints 

 dusky. Legs white, apices of tibiae and tarsi black. Wings hyaline, stigma color- 

 less, veins pale yellowish brown. Cornicles, cauda and al)dominal tulwrcles 

 white. Body oblong, soft, without w.ix. Head provided with a few long bristles. 

 Eyes rat'.er small, with small ocular tubercles. Frontal tubercles very short. Anten- 

 nae very long and slender, almost without hairs; the 1st joint much larger than 

 the 2nd; the 3rd more slender than the tibia, provided with from 8-15 circular or 

 subcireular sensoria of medium to large size arranged in a single row, mostly on the 

 basal half; the 4tli slightly striate, without sensoria; the relative length ot joints 

 about as follows: III-38, IV-24, V-23, VI-50 (7-f-43), Rostrum almost reaching 

 the middle coxae. Wings not narrow; stigma witli a few long bristles; the 3rd obli- 

 que twice forked, reaeliing the apex of the wing; hind wings with 2 divergent obli- 

 ques; booklets 2. Abdomen without distinct tubercles, provided with some long 

 bristles. Cornicles somewhat expanded toward the base longer than wide at mid- 



