286 Mr. E. Saunders' Synopsis of 



A genus very closely allied to Andrena, but dis- 

 tinguished by the truncature of the apical joint of the 

 antennfe. 



1. (J ; abdomen without distinct pale apical bands to 



the segments. J ; anal fringe golden . . lunnnrrhoiihilix. 



2. ^ ; abdomen distinctly banded. J ; anal fringe 



black-brown . . . . . . . . . . Icporiiiu. 



1. Cilissn lueniorrJtoidalis, Fabr. 



Fabr., Syst. Ent., p. 377; Smith, Cat. Brit. Hym., 

 2nd ed., p. 76. 



Black ; ^ clothed with pale greyish brown hairs, ? 

 with fulvous-brown. Abdomen not distinctly banded ; 

 ? , scopes and anal fringe golden-fulvous. Wings nearly 

 clear. 



S . Head and thorax clothed with pale brownish grey 

 hairs, those on the disk of the mesothorax nearly black. 

 Antennae with the joints very arcuate, apical joint diago- 

 nally truncate. IMesothorax punctured. Metathorax 

 finely rugose. Abdomen largely punctured, clothed with 

 pale hairs, intermixed with a few black ones on the base 

 of the 3rd and following segments ; beneath clothed with 

 pale hairs ; 6th ventral segment narrow and angularly 

 produced at the sides, clothed with golden hairs, 8th 

 ventral with the apex truncate and dilated, the truncature 

 circular or nearl}- so ; (for 7th and 8th ventral segments 

 and genitalia see pi. xi., figs. 1, la, Ih). Legs with pale 

 hairs ; tarsi piceous at the apex, clothed with golden 

 hairs beneath. 



$ . Bather larger and wider than the c? , the pube- 

 scence darker and more fulvous ; puncturation, &c., of 

 thorax as in the (? . Abdomen rather more finely punc- 

 tured, dull ; 1st segment short, subtruncate at the base, 

 all the segments clothed with short pale hairs, 3rd and 

 4th with a very narrow apical fringe of paler hairs, 5th 

 and 6tli clothed with bright golden-fulvous hairs ; beneath 

 rather densely clothed with long golden hairs. Legs 

 piceous, clothed with fulvous hairs ; scopte and posterior 

 tarsi bright fulvous. Length 12 — 15 mm. 



Hdh. Frequents the bells of Cumimnula rotundifolia, 

 and has occurred at Shirley, Norwich, Chobham, Kings- 

 down near Deal, Weybridge, Bournemouth, Bath, Bristol, 

 Devonshire, &c. 



