20 E- Takahashi. 



Distribution. — Fonnosa (Tailioku, Kagi, Taiclivu). Japan (Tokio, 



8aj>poro). 



Java (v. d. G.); India (Das); Hawaii (Fullaway); Africa 



(Theobald); Europe; North America. 

 Dr. Sliiraki collected numerous winged viviparous females in the 

 islands of Boko near Formosa in April 1920. 



The species is one of the most injurious pests in our island. 



lli/zus woodwardlai' n. sp. (PL. II. 1. Figs. G-U). 

 Wingless viviparous female. 



Orange yellow or yellow, with many minute grey spots on the 

 dorsum. Antennae pale brown, apical halves of the 3rd, 4th and 5th 

 joints and the (Jth l)lack. Legs pale brown, excepting the distal half 

 of femur, apex of tibia, and tarsi black. Cauda yellow. Cornicles 

 black. 



Body oval, broadest at the middle of the abdomen, with many 

 long capitate hairs. Eyes large. Frontal tubercles large, the inner 

 side distinctly convex. Antennae with some setae and short capitate 

 hairs; the 3rd joint lacking sensoria; the 4th sHghtly imbricated; the 

 5th with a very small apical sensoria; the relative length of joints as 

 follows: III-85, IV-66, V-5], VI-90 (13 + 77). Rostrum short, 

 reaching the base of the middle legs. Body without lateral tubercles. 

 Cornicles cylindrical, imbricated, very long, reaching the caudal apex, 

 broadest at the base, reticulated on the apical area. Cauda very 

 small, narrowed at the base and broadened at the middle, with a few 

 short hairs. Legs very long and slender, with numerous moderatelj- 

 long setae. 



Length of body — 3.0 mm. Antenna — o.nmm. 

 Cornicle — 1.0 mm. 



Winged viviparous female. 

 Very beautiful. Head, antennae, mesothorax, cornicles and 

 Cauda black. Eves dark brown. Pronotum blackish. 



