17. APATHUS. 223 



convex, with usually a little yellow pubescence on the basal seg- 

 ment ; the fourth and fifth segments with white pubescence. B.M. 

 Var. j3. The scutellum and basal segment of the abdomen with black 

 pubescence. (Bare.) 



Male. Length 6-7 lines. — The pubescence black, with the thorax an- 

 teriorly and the posterior margin of the vertex yellow; the margin of 

 the scutellum usually with a little yellow pubescence ; the abdomen 

 convex and shining, with a thin yellow pubescence at the base ; that 

 on the third, fourth, and the lateral margins of the fifth yellowish 

 white ; on the sixth it is black, and on the seventh fulvous. B.M. 



Var. /3. The pubescence entirely black on the scutellum. 



This is a very common species, and found in all parts of the 



kingdom. 



4. Apathus campestris. 



A. hirsutus, ater j thorace antice, scutello anoque flavis ; abdominis 

 apice acuminato inflexo. 



Apathus campestris, Smith, Zool. ii. 543 3 $ ; Bees Great Brit. 235. 



Thorns. Hym. Scand. ii. 45. 

 Apis campestris, Panz. Faun. Germ. 74. 11 § . 



Kirby, Mon. Apum Angl ii. 335 £ > tab . 18. fig. 2. 

 Bombus campestris, Fabr. Syst. Piez. 344 $ . 



Ittig. Mag. v. 174. 



Dahlb. Bomb. Scand. 52, tab. fig. 23 £ . 

 Psithyrus campestris, St.-Farg. Hym. ii. 433 $ . 



Brews, fy Schibdte, Krby. Tidsskr. ii. 123 tf $ . 



Nyland. Notis. ur Sallsk. pro Faun, et Flo. Fenn. i. 242 $ 

 Apis rossiella, Kirby, lib. cit. ii. 331 <$ , tab. 18. fig. 1 $ . 

 Bombus rossiellus, Dahlb. Bomb. Scand. 40 j . 



Psithyrus rossiellus, Drews. 8f Schibdte, Krby. Tidsskr. ii. 123 J, 

 tab. ii. fig. h tf . 



Nyland. lib. cit. i. 242. 

 Apathus rossiellus, Thorns. Hym. Scand. ii. 47. 

 Apis francisana, Kirby, lib. cit. ii. 334 $ var. 

 Bombus francisanus, Illig. Mag. v. 165 3 . 

 Psithyrus francisauus, Drews. 8f Schiodte, Krby. Tidsskr. ii. 125 <$ $ . 



Nyland. lib. cit. 241 $ . 

 Apis leeana, Kirby, lib. cit. ii. 333 <$ var. 

 Apis subterranea, Kirby, lib. cit. ii. 371 3 var. 



Female. Length 8-9 lines. — The pubescence black, with the thorax 

 anteriorly and the scutellum clothed with yellow pubescence ; wings 

 fusco-hyaline. Abdomen shining, the fourth and fifth segments 

 with yellow pubescence laterally. B.M. 



Var. /3. The pubescence on the scutellum black. 



Var. y. The entire pubescence black, excepting a little yellow at 

 the sides of the fourth and fifth segments of the abdomen. 



Var. Z. The pubescence entirely black, with a few fuscous hairs at 

 the apex of the abdomen. 



Male. Length 6-8 lines. — The pubescence bright yellow, that on 

 the head, a broad band between the wings, that on the second seg- 



