HYMENOPTERA. 223 



insertion, two broad oblique lines on the sides of the thorax, the 

 metathorax behind, also the intermediate and posterior coxae 

 behind, covered with silvery pubescence; the wings fusco-hyaline, 

 the posterior pair palest, hyaline towards their base. Abdomen 

 ferruginous ; the tirst joint of the petiole and a large macula on 

 the fourth and fifth segments above, black. 



Hab. California. 



64. Ammophila intercepta. B.M. 

 Ammophila intercepta, St. Farg. Hym. iii. 3/8. 18. 



Hab. North America (Illinois). 



65. Ammophila arvensis. 



Ammophila arvensis, St. Farg. Hym. iii. 384. 25. 

 Hab. North America. 



66. Ammophila urnaria. B.M. 



Ammophila urnaria, Dahlb. Hym. Europ. i. 14. 

 Ammophila conditor, Harris, Cat. Ins. Massach. 



Hab. South Carolina ; Nova Scotia ; St. John's Bluff, East 

 Florida. 



67. Ammophila nigricans. 



Ammophila nigricans, Dahlb. Hym. Europ. i. 14. 

 Hab. South Carolina. 



68. Ammophila conditor. B.M. 



Female. Length 8i lines. — Black : the clypeus coarsely punc- 

 tured; the prothorax transversely striated; the mesothorax 

 coarsely punctured, the punctures running into striae at the sides ; 

 the scutellum longitudinally grooved ; the enclosed portion of 

 the metathorax obliquely striated, beyond which it is rugose ; 

 wings fusco-hyaline, the nervures and tegulae behind ferruginous. 

 Abdomen : the petiole elongate, the second joint and first seg- 

 ment of the abdomen red, the base of the former black towards 

 the base above. 



Hab. St. John's Bluff, East Florida. 



69. Ammophila cementaria. B.M. 



Female. Length 7-8^ lines. — Black: head strongly punc- 

 tured, thinly covered with long black pubescence ; the pro- and 

 mesothorax, scutellum and post-scutellura coarsely punctured ; 



