HYMENOPTERA. 259 



78. SPHEX PETIOLATA. B.M. 



Male. Length 7 lines. Black : the face covered with golden 

 pubescence, also a little at the outer orbit of the eyes ; the 

 tips of the mandibles ferruginous. Thorax thinly covered with 

 short golden pubescence ; wings subhyaline, the nervures ferru- 

 ginous ; the anterior pair have a fuscous cloud extending along 

 their front margin from base to apex ; this cloud varies in 

 depth of colouring in different examples ; the tegulse rufo-testa- 

 ceous ; the legs ferruginous ; the femora with a black stripe be- 

 hind, the tibiae with one within, the tarsi fuscous or black with 

 the tips of the joints ferruginous, the claws ferruginous at the 

 base. Abdomen : the petiole as long as the two basal segments, 

 sometimes slightly ferruginous at the base above ; the first seg- 

 ment ferruginous, with a dark macula above in the middle, some- 

 times with several smaller spots ; the apical margins of the seg- 

 ments rufo-piceous. 



Hab. Brazil (Para). (Coll. H. W. Bates.) 



This is very probably the male of the S. costipennis of Spinohi. 



79. SPHEX CYAXIPENNIS. 



Sphex ? cyanipennis, Fabr. Ent. Syst. ii. 200. 6. 

 Pepsis cyauipennis, Fabr. Syst. Piez. 209. / 



Hab. Cayenne; Brazil. (Coll. F. Smith.) 



80. SPHEX CRUCIS. B.M. 



Pepsis Crucis, Fabr. Syst. Piez. 209. 4. 

 Sphex Crucis, St. Farg. Hym. iii. 342. 14. 



Hab. South America (Cayenne). 



81. SPHEX DORSALIS. B.M. 

 Sphex dorsalis 3 St. Farg. Hym. iii. 347. 20 J . 



Hab. Cayenne ; Brazil (Ega and Santarem). 



The female closely resembles the male, having the thorax and 

 head richly decorated with golden pubescence ; the legs and ab- 

 domen red, with the coxae, petiole, the posterior margin of the 

 third segment of the abdomen, the fourth and fifth, black ; tip 

 of the abdomen red. 



82. SPHEX CHILIENSIS. 



Sphex Chiliensis, St. Farg. Hym. iii. 341. 13. 

 Hab. Chili. 



