April— June 1SS5.; 



psrcnE. 



[3S07-3S1S] L'lll 



Cresson, Ezra Townsend. Descriptions of" 



two new species of masaiis. (Proc. Entom. 



soc. Pliilad., Dec. 1S64, v. 3, p. 672-67S.) 



Describes masaris zonalis 9 d* ^"^ '«■ marginalis $, 



3 new species, and rc-describes in, -vespoides, all from 



Colorado B: P. M. (.5807) 



Cressou, Ezia Townsend. Descriptions of 

 two new species of masaris. (Trans. 

 Amer. entom. soc, Dec. 1S71, v. 3, p. 

 34S-) 



Describes masaris occidi-niaiis and ;;/. texaiius, 2 new 

 species, from Texas. B: P. M. C3S0SJ 



Cre-sson, Ezra Townsend. Descriptions of 

 two new species of trigonalys. (Proc. 

 Entom. soc. Philad., Feb. 1S67, v. 6, p. 



Describes tn^oitalys pnlchellus J* n. sp., from West 

 V:i., and t. {lycogaster) costalts (f n. sp., from Mass.; 

 if tycogaster is a distinct genus, us author is "inclined 

 lo believe," trJifonalys gundlachii belongs to it. 



B: P. M. (3S09) 



Cresson, Ezra Townsend. On the hymen- 

 optera of Cuba. (Proc. Entom. soc. Phil- 

 ad., Jan. 1865, V. 4, p. l-JOO. fig. 1-6.) 



Notice. (Gerstaecker. A. Bericht . . . 

 1865-1S66, hiih'te 2, 1S69, p. 4, 17, 21, 22, 25. 

 26, 32-38, 40, 43.) 



Enumerates 321 (257 new) species of hymenoptera 

 found in Cuba, in general of all families except procto- 

 trupidae^formicioiie and the smaller chalct'didaey with 

 synonymical references, .ind describes the new species; 

 describes aii^arodfs, n. g. of ezHitiiidaf, and epirhyssa^ 

 eiphosomn, rhopalosoma and chaonia, new genera ot ich- 

 netunonidae, B: P. M. (3S10) 



Cresson, Ezra Townsend. Hymenoptera 

 tfxana. (Trans. Amer. entom. soc, Nov. 

 1S72, V. 4, p. 153-292.) 



"List of all the species ot hymenoptera known to me 

 from Texas, excepting those belonging to the families 

 chrvsididae,formicidae and tlie ?,v\va\\qx chalcididae; . . . 

 of the ig families studied in this paper, over 600 species 

 are enumerated, nearly 300 of which ai)pear to be new, 

 and are herein described." — Author^ op. cit., p. 153. 

 Systematic index of species (p. 2S6-292). 



B: P.M.{i%\\^ 



Cresson, Ezra Townsend. List of the North 



American species of bombus and apathiis. 



(Proc. Entom. soc. Philad., Jtdy 1S63, v. 2, 



p. S3-116.) 



Corrections, by author, with no title. 



{op. cit., Oct. 1S63, p. 164-166.) 



Qjiotes description of generic charncters of homhus 

 from F : Smith's "Catalogue of British hvmenoptera" 

 ■ ■ • '8.^5, pt. I, p. 207, and mentions other characters; 

 descrilies generic characters of (?/«///«.?,■ gives synopti- 

 cal table and special description of 47 (15 new) North 

 American species of hombus, and descriptions of 7 (i 

 new) N. A. species of ahathiis; discusses the sexual 

 characters of bomhns; gives alphabetic index (p. 116) 

 tn species here described. B: P. M. (3S12) 



Cresson, Ezra Townsend. List of the North 

 American species of the genus aleiodes 

 Wesmael. (Trans. Amer. entom. soc, 

 Nov. 1S69, V. 2, p. 377-3S2.) 

 Gives a synoptical table of tiie 22 North American 



species of a'let'odrs, and describes 20 new species. 



B: P. M. (3S13) 



Cressou, Ezra Townsend. A list of the 

 North American species of the genus 

 xinthophora . with descriptions of new spe- 

 cies. (Trans. Amer. entom. soc. Mar. 1S69, 

 V. 2, p. 2S9-293.) 



Gives a synoptical table and synonymical list of the 14 

 North American species of anthophora known to the 

 author, and describes S new species ; 3 described species 

 n..t recognized. B: P. M. (3S14) 



Cresson, Ezra Townsend. On the North 

 American species of several genera oi api- 

 dae. (Proc Entom. soc. Philad., Feb.- 

 Mar. 1S64, V. 2, p. 373-41 1-) 



Describes 10 (1 new) species of anihidiiim, 2 chclo- 

 stoma, 2 (Tiew) heriades, andronicus n. g., a. cyliiidridts 

 n. sp., alcidamea n. g. and 2 n. spp., moniimetha n. g. 

 and 3 n. spp,, 4 (i new) ceratina, 9 (i new) cpeolus, 12 

 (3 new) coelioxys, and 4 {2 new) sit/i's, in all 3 new gen- 

 era and 49 (16 liew) species of apidae from North Amer- 

 ica ; quotes the descriptions of the not new genera from 

 F: Sniitli's ''Catalogue of British hymenoptera"... 

 1S55, pt 1 ; coelioxys parasitic on megachile. 



B: P. M. f3Si5) 



Cresson, Ezra Townsend. On the North 

 American species of the genus nomada. 

 (Proc. Entom. Soc. Philad., Nov.-Dec 

 1863, V. 2. p. 280-312.) 



C^iotes descriptions of generic characters of nomada 

 from F" ; Smith's "Catalogue of British hymenoptera" 

 . .. 1S55, pt. I, p. 116, and mentions other characters 

 and variations of wino;"-neuration ; describes 33 (17 new) 

 Nortli American species. B: P. M. C3S16) 



Cresson, Ezra Towuvsend. On the North 

 American species of the genus os^mia, 

 (Proc- Entom. soc. Philad., Apr. 1S64, v. 



3' P- 17-38-) 



Qiiotes description of the generic characters of osmia 

 frDui F: Smith's "Catalogue of British hymenoptera" 

 . . . 1S55, i)t. I, p. 157, and describes the 33 (2S new) 

 North .American species, 31 of which ai'e known to the 

 author; refers to Smith's work, p, 15S-162, for "a very 

 interesting account of the economy of these bees." 



B: P. M. (3S.7) 



Cresson, Ezra Townsend. Notes on tire 

 pompilidac of North America, with descrip- 

 tions of new species. (Trans. Amer. 

 entom. soc.. June 1S67, v. i, p. 85-1^0, fig. 

 1-17.) 



Notice, bv F. Braiier. (Gerstaecker, 

 A. and Br."\ier. F. Bericht . . . 1S67-1S6S, 

 iS7i,p. 87.) 



Einimerates 57 (15 new) species of pompiltts subg. 

 pompilus, 2^ (13 new) pompilus subg. priocnemis, 2S 

 {iQ new) pompi/ /IS subg. agniia, 3 ferreola, 2 notocy- 

 phns, porapompilus naomi, 5 (2 new) J>/an/ceps, aporiis 

 Just /aiuSyS (2 new) o'ropa/fs, 3 (3 new) myguimia, 20 

 (i new) pepsi's, from North America; describes the new 

 species and re-descrihes nearly all the old species enu- 

 merated, or refers for their description to author's "On 

 the hymenoptera of Cuba" (Proc. Entom. soc. Philad., 

 Jan. 1S65, v. 4) [Rec, 3S10], p. 121-134, ^"^ author's 

 "Catalogue of hymenoptera . . . from Colorado Terri- 

 tory" (Proc. Entom. soc. Philad., June 1865, v. 4) [Rec, 

 3792], p. 451-454; characterizes the genera and subgenera 

 mentioned, ana tigures the neuration of the wings and 

 other structural characters of some of the genera and 

 species. B: P. M. (381S) 



