HYMENOPTERA. 



259 



78. Sphex petiolata. B.M. 



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

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

 tips of the mandibles ferruginous. Thorax thirdy covered with 

 short golden pubescence ; wings subhyaline, the nervures ferru- 

 ginous; the anterior pair have a fuscous cloiul extending along 

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

 depth of colouring in different exara])les ; the teguUe rufo-testa- 

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

 hind, the tibite 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, viith 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). (Coil. H. W. Bates.) 



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



79. Sphex cyanipennis. 



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

 Pepsis cyanij)ennis, Fabr. Syst. Piez. 209. 7- 



Hah. 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, St. Farg. Hym. iii. 347. 20 S . 



Hah. 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 coxfc, 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. 

 Hah. ChiU. 



