15 



SPHECIDuE. 



W. H. PATTON. Some characters useful in the study of Sphecidse. 



<Proc. Boston Soc. Nat. Hist., Vol. XX, 1880, pp. 378-385. 



Critical notes on genera and species. 

 F. F. KOHL. Die Hymenopterengruppe der Sphecinen. <Ann. K. 



K. Naturh. Hof museums, Wien, Vol. V (1890), Parti, pp. 77-194; 



Part II, pp. 317-462. 



BEMBECIDuE. 



A. S. PACKARD. [See work cited under Larridae.] 



W. H. PATTON. The American Bembecidae: Tribe Stizini. <Bul. 

 U. S. Geolog. and Geogr. Survey, Vol. V, No. 3, 1879, pp. 341- 

 347. 



W. J. Fox. Synopsis of the Stizini of Boreal America. <Proc. 

 Acad. Nat. Sci. Phila., 1895, pp. 264-268. 



W. J. Fox. Synopsis of the Bembicini of Boreal America. <Proc. 

 Acad. Nat. Sci. Phila., 1895, pp. 351-374. 



A. HANDLIRSCH. Monographic der mit Nysson und Bembex ver wand- 

 ten Grabwespen. 7 parts. <Stzber. K. Akad. d. Wissensch., 

 Wien, 1887-'93, 1,150 pp., 23 pis. 



LARRIDJ3. 



A. S. PACKARD. Revision of the Fossorial Hymenoptera of North 

 America. I. Crabronidge and Nyssonidae. <C.Proc. Entom. Soc. 

 Phila., Vol. VI, 1866, pp. 39-114 and 353-444. 



This work includes revisions of the following families: Larridse, Bembecidse, 

 Philanthidse, Mimesidae, Mellinidse, Pemphredonidse, and Crabronidse. 



W. H. PATTON. List of North American Larridse. <Proc. Boston 



Soc. Nat. Hist., Vol. XX, 1880, pp. 385-397. 



Table of genera; list of, and notes on, species. 

 W. J. Fox. Monograph of the North American species of Tachytes. 



< Trans. Amer. Entom. Soc., 1892, pp. 234-252. 

 W. J. Fox. The North American Larridse. <Proc. Acad. Nat. Sci. 



Phila., 1894, pp. 467-551. 



NYSSONUXE:. 



A. S. PACKARD. [See work cited under Larridse.] 



E. T. CRESSON. Descriptions of the species belonging to the genus 



Nysson, inhabiting North America. <Trans. Amer. Entom. 



Soc., Vol. IX, 1881->82, pp. 273-284. 

 A. HANDLIRSCH. [See work cited under Bembecidse.] 

 W. J. Fox. Synopsis of the species of Nysson inhabiting America, 



north of Mexico. <Jour. N. Y. Entom. Soc., March, 1896, pp. 



10-16. 



