15 



SPHECID^E. 



W. H. Pattox. — 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), Part I, pp. 77-194; 



Part II, pp. 317-162. 



BEMBECED^. 



A. S. Packard. — [See work cited under Larridse,] 



W. H. Patton. — The American Bembecidae: Tribe Stizini. <Bul. 

 U. S. Geolog. and Geogr. Survey, Vol. V, No. 3, 1879, pp. 311- 

 317. 



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

 Acad. Nat. Sci. Phila,, 1895, pp. 261-268. 



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

 Acad. Nat. Sci. Phila., 1895, pp. 351-371. 



A. Haxdlxrsch. — Monographie der mit Nysson und Bembex ver wand- 

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

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



LARRID.E. 



A. S. Packard. — Revision of the Fossorial Hymenoptera of North 

 America. I. Crabronidae and Nyssonida?, <Proc. Entom. Soc. 

 Phila.. Vol. VI, 1866, pp. 39-111 and 353-111. 



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

 Philanthida?, Alimesidae, Mellmidae, Peniphredonida?, and Crabronidae. 



W. H. Pattox. — 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. 231-252. 

 W. J. Fox. — The North American Larrida?. <Proc. Acad. Nat, Sci. 



Phila., 1891, pp. 167-551. 



NYSSONID^. 



A. S. Packard. — [See work cited under Larridaa.] 



E. T. Cressox. — Descriptions of the species belonging to the genus 



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



Soc, Vol. IX, 1881-'82, pp. 273-281. 

 A. Haxdlirsch. — [See work cited under Bembecida?.] 

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



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



10-16. 



