234 Mr. E. Saunders' Synopsis of 



each side of the base of the 4th, black, the remainder bright 

 red ; 4th and following segments with an apical fringe of 

 pale hairs ; those of the 5th and 6th in the ? brownish, 

 and the 6th and 7th in the <? more or less golden ; seg- 

 ments beneath with pale apical fringes. Legs in the ^ 

 with white hairs, in the ? with brown, scopse dense and 

 brown. Length 8 — 9 mm. 



Hah. Not uncommon, in the summer, on Veronica 

 chamcedrys. There is no other species of the genus with 

 which it can be confounded, and the ^ and $ in shape 

 are almost exactly alike. 



Division IL 



(2) 1. Apex of abdomen golden in both sexes . . . . albicans. 

 (1) 2. Aj^ex of abdomen dark in both sexes. 



(4) 3. Entire insect black ; hairs of thorax in ^ and 



hairs on under side of scopse in J alone jDale. . pilipea. 



(3) 4. Head and thorax clothed with brown hairs ; 



abdomen with pale hairs. 



(6) 5. (J , abdomen dull, not shining ; immaculate be- 

 neath ; genitalia very large ; apex of tibise 

 generally pale. J , posterior tibire clear tes- 

 taceous ; clothed with golden hairs . . . . atriceps. 



(5) 6. <y , abdomen more or less shining, sometimes 



spotted with red on the 2nd segment ; genitalia 

 small ; tibite black. J , posterior tibife black, 

 clothed with pale yellowish hairs . . . . bimacidata. 



4. Andvena albicans, Kirby. 



Kirby, Mon. Ap. Angl., ii., p. 94 ; Smith, Cat. Brit. 

 Hym., 2nd ed., p. 37. 



(? . Black ; face, legs, and sides of the thorax below 

 the wings and apex of the abdomen clothed with golden 

 brown hairs ; mesothorax with the hairs darker and of a 

 redder brown ; 6th segment above testaceous at the apex ; 

 intermediate tarsi and posterior tibiae and tarsi testaceous, 

 except a more or less extended black spot on the tibiae, 

 which occurs in many varieties. 



Head closely punctured, about as wide as the thorax ; 

 antennae entirely black, reaching to about the apex of the 

 metathorax. Mesothorax closely and coarsely jjunctured ; 

 metathorax with a well defined clathrately rugose basal 

 area, sides of the metathorax beyond it finely rugose, 

 and densely hairy. Abdomen shining, strongly and 

 rather closely punctured ; apical portions of the 2nd and 



