Apliidiilae of Formosa 4. 55 



much more slender than the tibia, almost as long as the hind tibia and tarsus 

 (n< t including the claw) taken together, 6-jointed, covered with numerous bristles 

 which are almost as long as those on the body and shorter than the last joint: 

 the 5th joint with a very small circular scnsorium at the apex, which is 

 surrounded by a row of short setae; the 6th very short, conical, with a similar 

 sensorium, furnished with a few longer bristles; the relative length of joints 

 about as follows: 1-16, 11-20. 111-17, IV- 1."), Y-46, VI-11. Rostrum very stout, 

 reaching the hind coxae. Cornicles very small, situated on small, somewhat 

 elevated cones. Abdomen furnished with some extremely long stout bristles on 

 tin- terminal portion. Cauda very small, with a few (4 ?) rather long bristles. 

 Anal plate bilobed. Legs rather large, very stout, covered with many hairs 

 which are almost similar to those on the body; femora stouter than, but almost 

 as long as, the tibia ; tarsi stout, somewhat tapering, one-jointed, not imbricated, 

 with a few longer bristles, almost as long as the 4th antennal joint. 



Length of body — about 3.2 mm. Antenna — about 0.77 mm. 



Host. — A plant of the Gramineae, attacking the root. 



Distribution. — Formosa : Toeeikaku, Taichu- prefecture. 



Pome apterous forms were collected on December 25, 1924. 



The 5th antennal joint is sometimes provided with a small circular sensorium 

 not surrounded by setae near the base. 



