HYMENOPTERA, 2/3 ] 



This species closely resembles the C. vectis, but differs in ' 



having snow-white pubescence on the face, continuous bands on 

 the abdomen, and also in wanting the transverse depressions on 

 each segment ; the fifth segment also is not produced at its apical i 



lateral margins. I 



Genus 29. DIOXYS. ' 



Trachusa, pt., Jurine, Hym. p. 253. 

 Heriades, pt., Spin. Ins. Lig. fasc. 3. p. 198. 

 Dioxys, St. Farg. Sf Serv. Ency. Meth. x. 109. 



1. Dioxys cincta. 



Trachusa cincta, Jurine, Hym. p. 253. t. 12. f. 36. 

 Heriades cincta, Spin. Ins. Lig. fasc. 3. p. 198. 2. 

 Dioxvs cincta, St. Farg. S)- Serv. Ency. Meth. x. 109. 1 . 



'St. Farg. Hym. ii. 514. 2. ^ 



Hab. South of France ; Italy. ; 



2. Dioxys Pyrenaica. i 



Dioxys Pyi-enaica, St. Farg. Hym. ii. 515. 3. 



Lucas, Explo. Sc. Alger, iii. 206. 138. I 



Hab. The Pyrenees (Bareges) ; Algeria (Oran). \ 



3. Dioxys rufiventris. B.M. 



Dioxvs rufiventris, St. Fare/. Hym. ii. 516. 4. , 



Lucas, Explo. Sc. Alger, iii. 207. 139. t. 9. f. 5. -| 



Hab. Algeria (Oran). j 



4. Dioxys maura. ' 



Dioxvs maura, St. Farg. Hym. ii. 516. 5. I 



Uicas, Explo. Sc. Alger, iii. 208. 141. t. 9. f. 7. 



Hab. Algeria (Oran). 



5. Dioxys dimidiata. 1 

 Dioxys dimidiata, St. Farg. Hym. ii. 514. 1. j 

 Hab. Versailles. 



1 



6. Dioxys chalicoda. B.M. j 



Dioxys chahcoda, Lucas, Explo. Sc. Alger, iii. 207. 140. t. 9. f. 6. i 



Hab. Algeria (Oran). 



o2 



