ArHIDID.i; OF FORJIOSA. ;-]7 



Aphis malvoides v. d. Goot? 



C'outi'il). Fauu. Iu<l. Neerl. 1, iii, p. 96 (1917). 

 Wingless viviparous female. 



Yellow or gi'eouisb yellciw. Ej-es, cornicles, canda and anal pLite bLwk. 

 Antennae p;ile yellow, apsK of the 4th joint slightly dnsky, apex of the 5th, 

 and the Cth black. Legs p;Je yellow, apices of femora jtnd tibiae, and tarsi 

 bLxck. Head j)rovitled mtli a few moderately long liau'S. Anteunao imbricated, 

 with a few rather short hairs ; the .Srd joint without sensoria ; the roLitive 

 length of joints as follows: ni— 31, IV— 20, Y— 20, YI— 11 (1.5 + 29). 

 Rostrum reaching lieyoud Ihe middle coxae. Prothorax and the 1st and 7th 

 abdomiiuil segments each with a very small lateral tuljercle. Cornicles rather 

 stout and short, as long as the 4tli and .5th antenna! joints taken together, 

 imbricated, tapering, not curved, 1^ times as long as the caucli. Cauda stout, 

 almost as long as the Srd antemial joint, provided with maoiy long hairs. Legs 

 with sorce moderately long setae. 



Length of body — 1.9 una. Aatenna — 1.0 mm. 



Cornicle — about 0.3 mm. 



Winged vi\iparous female. 



Yellow or gi-eeuisb yellow. Eyes, antennae, thorax, cornielcs and caiida 

 black. He;ul provided with a few moderatt'ly long hairs. Frontal tul_)ercks 

 almost absent- Antennae imbricatetl, with a few Laire ; the 3rd joint provided 

 with 7 — 11 large cii'cirlar sensoria not in a row almost over the whole length; 

 the 4th witli 2 — 3 simiLir sensoria ; the reLitive length of joints ;^s follows : 

 III— 33, rV'— 23, Y— 23, YI— 50 (14 + 36). Kostrmu rejwhing the middle 

 (!i)xae. Prothorax and the 1st and 7th, alxlominal segments with a very 

 small lateral tuWcle. Wings normal; hind wings with 2 parallel obli([ues; 

 hooklets 3. 



Abdomen almost lackuig h;U!"s. Cornicles (■yliudrioal, a little shorter th;iu 

 the 3rd ;iutenn:d joint, iiul iricated, somewhat tapering, scai'ce.ly curved, l/j 

 times as long as the canda. Cauda with many bristles, 1.5 times as long as 

 the hind tirsi. Legs with many sefce. 



Bodv — 2.0 mm. Antenna — 1.0 mm. 



