liecords of Dees. ISO 



Andrena sasakii, sp. ii. 

 c? . — Length about 12 mm. 



Black, inchuling- antcniuc aud len^s, except that the small 

 joints ofc' tarsi arc f'eirugiuous ; hind margins of abdominal 

 segments broadly rufo-testaceous ; hair of head and thorax 

 long and abundant, light fulvous, nowhere mixed with black 

 or fuscous ; head broader than thorax, facial quadrangle 

 much broader than long, cheeks broad but not ])eculiar, 

 malar space very short, mandibles normal ; clypeusand face 

 rugulusc, feebly shining, almost hidtlen by hair ; third an- 

 tennal joint equal to fourth, fifth shorter; vertex and front 

 dull aud grauular ; mcsothorax and scutellum dull and finely 

 granular; area of metathorax granular, hardly defined, 

 rugulosc at base ; tegulie dark rufous. AYings brownish 

 liyaliue, stigma and nervures ferruginous; b. n. meeting 

 t.-m. ; second s.m. broad, receiving first r. n. at middle ; 

 third s.m. not nearly so long as in A. uaicai. Legs ordinary, 

 with pale hair. Abdomen shining, without distinct punc- 

 tures, thinly covered with pale ochraceous hair, not forming 

 distinct bands ; apical plate broadly truncate, shallowly sub- 

 emarginate, with a thick brush of hair beneath ; venter 

 normal. Process of labrum very broad and low, truncate, 

 not notched. 



Hub. Japan (U.S. National Museum, L33). 



lluus in Schmiedekuecht's table to A.fulvida, Schenck, 

 but is a considerably larger species, with paler nervures. It 

 must be allied to the Japanese A. hebes, Perez, but is larger 

 and differently sculptured. 



I give a key to the known Andrena of Japan : — 



Tegument of clypeus variabU' pale, clypeus 



soaietimes practically all pale ; abdomen 



shining, with hind margins of segments 



testaceous. (Tokio and Wasaka.) .... knuthi, Alfk. cf 

 Tegument of face wholly black 1. 



1. Clypeus prominent, very convex trans- 



versely, straight in profile ; scutellum 

 strongly bigibbous : length 13 mm. 



(Yokohama.) prostomias, PtSrez. $ . 



Clypeus normal 2. 



2. A long spine or tooth near the base of each 



mandible 3. 



"\^'ithout such a spine or tooth 4. 



3. Third antennal joint much shorter than 



fourth ; cheeks broad, angled behind 



above middle. (Yokohama.) dentata, Smith. S ■ 



Third antennal joint longer than fourth ; 

 species near to .4 . /ero.r, Kirb. (Yoko- 

 hama.) simnUms, Perez. (S . 



