CjH ■ ^' Takahashi : 



bases of tlie 4tli ami ">tli joints. Pronotum brownish green, witli a 

 dusky portion on each side. Mesothorax dusky. Abdomen yellowish 

 green, the doi'suni mostly dusky. Cornicles black. Last abdominal 

 segment pale green. Anal plate dusky. Wings hyaline; stigma 

 black; subcosta brown; obliques blackish brown or black. Legs 

 j^ellowish brown, with tarsi black. 



Body oblong ; head and pronotum with many long rather fine 

 hairs; abdomen with some shorter hairs. 



Antennae 6-jointed, furnished with rather long, stout bristles; 

 the 3rd joint with about 25 oval sensoria distributed over the whole 

 length; the relative length of joints as follows : III-72, lV-21, 

 V-25, VI-48 (19 + 29). Rostrum slender, reaching the hind coxae. 

 Cornicles extremely long, cylindrical, with numerous long and rather 

 fine hairs intermixed with minute hairs on the apical portion. Caudal 

 segment rounded, without a process. Veins normal: the 2nd oblique 

 conspicuously curved and the 3rd twice forked; hind wings with 2 

 obliques not parallel; booklets 3. Legs long and slender, with many 

 long hairs. 



Length of body — 2.4 mm. Antenna — 2.0 mm. 



Cornicle — 2.0 nmi. Fore wing — 2. 75 mm. 



Width of fore wing — 1.0 nun. 



Host. — 3Ieliosma rhoifolla. 



Distribution. — Formosa (Shinten). 



Wingless and winged females have been collected by the author 

 in June. 



Eutrichosiphum lithocarpac (Maki.) 

 Tr Ichosiphum lithocarpac N\.ak\. l&l^l^H Sif^*^ No. 138, 



p. 344 (1917). 

 Maki, Entom. iMag. Kyoto, Japan, iv, pt. 1, p. 21 (1919). 

 Host. — Lithocarpiis sp. 

 Distribution. — Formosa (Urai). 



