104 E- TakahoHlii 



Matsnmura, Jl. Coll. Agr. Sapporo, vii, G, p. 404 (1917); Takahashi, Aphi- 

 didae of Formosa, 2, p. 81 (1923). 



Wingless viviparous female. 



Black. Cornicles black. Body oval, cuvered with munerous minute granular 

 spinules on tlie dorsal surface. Head rather small, on the dorsal susfaec with a 

 few short slightly capitate setae, of which those on the front are somewhat longer. 

 Eyes moderate in size. Frontal tubercles moderately convex on tiie inner side, not 

 very large. Antennae much shorter than the body, rather stout, imbricated, with a 

 few short slightly capitate haiis; the 1st joint larger than the 2nd; the 3rd without 

 sensoria; the 5th with a rather large circular sensoriiim near the tip; tlie relative 

 length of joints about as follows: III-40, IV-20, V-18, VI-45 (lo + SO). Rostrum 

 reacliing the middle coxae. Dorsal and lateral tubercles lacking. Abdomen with a 

 few short slightly capitate setae arranged in a transverse row on the dorsum of each 

 segment. Cornicles short, stout, someA\hat curved, somewhat narrowed toward the 

 apex on the distal half or one-third, not or scarcely expanded at the base, about 3 

 or more times as long as wide, narrowest near the tij), two ov more times as long as 

 the Cauda, almost as long as or sliglitly longer tiian tiie 3rd antennal joint, imbri- 

 cated, not reticulated, with a few short scarcely capitate setae. Cauda stout, stouter 

 than the cornicle, almost as long as wide, tapering on the distal half, witii 3 pairs of 

 long lateral bristles. Legs long; tibiae stouter than the antenne, more slender than 

 the cornicle, with many not or scircoly knobbed setae; hind tarsi almost as long as 

 the Cauda. 



Length of body-about 1. 4 mm. Antenna-about 0. 8 mm. 



Winged viviparous female. 



Head provided with many minute granular spinules and a few sliort scarcely 

 knobbed setae on the dorsal surface. Frontal tubercles short, somewhat convex on 

 the inner side. Antennae slender, with a few short scarcely knobbed setae; the 1st 

 joint larger than the 2nd; the 3rd provided with about 30-35 rather large circular 

 or oval sensoria scattered over the whole length; the 4th somewhat imbricated, with 

 about 8-15 similar sensoria scattered over the whole length; the 5th with 0-2 second- 

 ary sensoria, the apical sensorium large; the relative length of joints about as 

 follows: III-80, IV-40, V-30, VI-102 (22-}-80). Rostrum reaching the middle 

 coxae. Pronotum provided with many minute granular spinules. Wings hyaline, 

 with normal veins; hind wings with 2 somewhat divergent obliques; booklets 4. 

 Abdomen with many minute spinules and a few short setae. Cornicles short, cylin- 



