THE ENTOMOLOGIST. 295 



found on the Continent, but I am not aware of its having 

 been observed in this country. This insect is usually taken 

 sparingly, but on one or two occasions I have taken it plen- 

 tifully, once at Coomb Wood, Surrey, and also at Kingsdown, 

 near Deal ; also near Lowestoft, in Suffolk, 



2. Apathus vestalis, Smith, Bees Great Brit. p. 238, male, 



female. 

 Apis vestalis, Kirhy, Mon, Ap. Angl. ii. 347, female. 

 Bremus aestivalis, Panz. Faun. Germ. 89, 16, female. 

 Bombus vestalis, Dahlb. Bomb. Scand. No. 34. 

 Psithyrus vestalis, St. Farg. Htjm. ii. 430. 

 P. aestivalis, Drews. ^ ScJiiodte, Bomb. Denm. 123, fe- 

 male ; Nylcind. Ap. Boreal, p. 241. 

 P. Rossiellus, Drews. 8f Schiodte, Bomb. Denm. 123, 

 male ; Nyland. Ap. Boreal, p. 242 ; Schenck, Hym. 

 Nassau, p. 164. 

 Probably the most abundant species of the genus : the 

 males are occasionally found in great numbers on thistle- 

 heads. 



3. Apathus campestris, Smith, Bees Great Brit. p. 235, 



male, female. 

 Apis campestris, Panz. Faun. Germ. 74, 11, female; 



Kirby, Mon. Ap. Angl. ii. 335, female. 

 A. Rossiella, Kirby, Mon. Ap. Angl. ii. 331, male. 

 A. Francisana, Id., 334, male. 



A. subterranea, Id., 371 ; male. 



Bombus campestris, Fabr. Syst. Piez. p. 344, female ; 

 Dahlb. Bomb. Scand. p. 51. 



B. Rossiellus, Dahlb. Bomb. Scand. p. 40, male. 

 Psithyrus Rossiellus, Drews, d Schiodte, Bomb. Denm. 



123. 

 P. campestris, St. Farg. Hym. ii. 433, female ; Drews. 

 ' d- Schiodte, Bomb. Denm. 123; Schenck, Hym. 

 Nassau, p. 163. 

 P. Francisanus, Drews, d Schiodte, Bomb. Denm. 125, 

 male ; Nyland. Ap. Boreal, p. 241. 

 The most variable species of the genus : the male varies 

 from a highly coloured form to totally black ; the female is 

 subject to a similar variety in coloration. 



4. Apathus Barbutellus, Smith, Bees Great Brit. p. 237, 



male, female. 



