length of bocly-aJ)out 1.7 mm. Aiileijna-about 1,7 mm, 

 Differs from the wingless .idiilt in tlio following characters: 

 Colour not dark bj-owij. A-iitennae shorter. Cornicles sliortcr. Caudal 

 flognient witli a shorter procc^ss. 



(Winged form) Head and pronotum black. Eyes dark brown. Antennae 

 aloiLOSt black, somewhat brownisji on the 3rd joint. Mesothorax pale greenish or 

 yellowish, with black wing pads. Al)domen pale brownish or purplish, dusky or 

 dark greenish on t\m middle, with 4 rather large dusky patches on the sides, many 

 small dusky spots on the diorsurn and a dusky patch present on the dorsum near the 

 end. Cornicles yellowish l)ro\\n, blackish on the base and the apex. Cauda pale 

 yellowisii. Legs yellowish bro\\n, blackiali on tlic apiccf? of tibiae, and tarsi. 



Body oblong, provided with many very lopg stout hairs arising from very 

 sniaU dusky sjwts. Head aiid proaotum fused together. Frontal tubercles almost 

 lacking. Eyes protulxsraut, witji the ocular tubercles prominent. Antennae rather 

 stout, inibricated, with many very Jong stout bristles; seasorium of moderate size; 

 tlie relative lengtli of joints alxiut as follows: III-90, IV-48, Y-60, VI-175 (50+ 

 125). Ivastrum slender, reaching far bjyond tlie hind coxae. Mesothorax well 

 developed. AVing-pads rather short. Some bristles on the abdomen slightly bran- 

 ched at t!ie apex. Spiracles somewJiat protnl)erant, Cjrniclfs very long and 

 slender, very sliglitly curved, very sliglitly tajwriug on the distal portion, not dila- 

 tfid nor swollen, reticulated, provided with many very long bristles which arc 

 longer than tlioso on the abdomen, the apical part with numerous minute hairs, 

 almost as long as the last antennal joint. Caudal segment wider than long, mucii 

 wider than the cornicle, witli a distinct process, provided with some very long stout 

 bristles, Anal plate scarcely siuuated. Legs long and slender, provided with many 

 vory long bristles; femora almost as btojit as the cornicle; tibiae more slender tlian 

 the 3rd anteniial joint; tarsi imbricated; iiind tarsi a little longer than the caudal 

 segment, but much shorter tlian the base of the last ant«nnal joint. 

 Lcngtli of body-about 1.8 mm. Antenna-about 2,0 mm. 

 Cornicle-about 0.8 mm. 



Described from specimens collected on February 28, 1923, at Tailioku. Some 

 viviparous females were observed in November, 1923, at Kuraru and Garainbi, 

 ICosluni, Formosa. 



Myzocallis pseudoalni Takali. 

 Aphididae of Formosa-!, p. 71 (1921); Aphididae of Formosa-2, p. 121(1923). 



