A>fTIIOPFin,A — A['II).«. 805 



nlijrii St. FarK. ( Mnrntcera), Hy?i». ii, 112 (= himnruMn % ). 



nigrrifrons ('roH«., Proc. Acad. Niit. S<i. IMiil. 1M7.1, U>5, 9 • Cula. 



nigripen Smith, B. M. (!iit. Hyni. ii. 311, % 9 {% = ili'»i»>n»a, *} =^ Syn.atriveHtriB). 



obliqua S«y i Manocern), Bost. Jour, i, 403: Lee. Kdit. ii. 78f). % . U.S. 



olivacea Ot-ss., TriM-. Acad. Xiit. Sci. I'liil. IHT.i. 210. ^ 9 . Calii. (Mex.) 



pensylvanica St. Farg. ( Mncroceni), Hyiii. ii, !)7. ^ . Pa. Tex. 



perploxa ( ress., I'ror. Acad. Nut. Sci. Pliil. 1878, '.iWi. ^ 9. (5a. Tex. 



petulca Cress., iliid. 201. 9- (»"• 



phihidelphica St. Fur>{. ( Mncrocfrn), Hyin. ii. 110 (= Xenoglotaa prninosa % ). 



pygrmsea Cress., Tniii.s. Am. Em. Soc. iv, 279, 9. Tex. 



rivalis Cress., ibid. 277, %. Tex. 



rustica Say { Macro'era}, Bost. Jour, i, 40«j; Lcc. Kdit. ii, 781, % 9. U.S. 



»c/i/7is Smith, Brit. MuH. Cat. Hyni. ii, .'ill, 9 {= nmtica). 



Snowii Cre8.s., Proc. A. 1. Nat. Sci. Phil. 1878, 211, % . Col. 



apecJosa Cress., ibid. 19H (=: Sytthnhmiii]. 



spissa Cre.ss., Trans. Am. Ent. Soc. iv, 280, 9- 'fi'X- 



strenua Cress., Proc. Acad. Nat. Sci. Phil. 1878, 213, % 9. Ga. Tex. N.Mex. 



Stretchii Cress., ibid. 207. 9. Cala. 



sua vis Cress., ibid. 210, 9- <^'ul. 



suCFusa Cress., ibid. 20.3, 'J, 9 . Tex. 



tepida Cress., ibid. 210, 9. Nev. 



texana Cress., Ti-aus. Am. Ent. .Soc. iv, 27fi, % 9 • '^^^^ 



ursina Cress., ibid. 281 (== Diadasia ennvata % ). 



XEXO«I.OSSA Smith, 

 fulva Smith, B. M. Cat. Hym. ii, 31.5, pi. vii, fig. 8, 9, pi. xii, 7-8. Ariz. (Mex.) 

 prulnosa Say (Macroc a), Bost. Jour. i. 405; Lee. Edit, ii, 780, % 9. U.S. 



SVMII.4L01VIA Patton. 



acerba Cress. {MelisHodes), Ti-ans. Am. Ent. Soc. vii, 210. Nev. {^=E(lwardsli f)_ 

 albata Cress. (Melissodes), ibid, iv, 281 ; Patton, Bull. U. S. Geo. Surv. v, 474. Tex. 

 atriventris Smith {Melissodes), Brit. Mus. Cat. Hym. ii, 310, %. N.Am. 

 Edwardsii Cres.s. (MeUaaodea), Proc. Acad. Nat. Sci. 1878, 19.5, %. Cala. Nev. 

 frater Cress. (Me;i«sof/es), ibid. 197, %. Col. 



fulvitarsis Cress. (Melhsodes) ; Patton, Bull, v, 474, % 9. Col. Wym. 

 honesta Cress. (Melissodes), Trans. Am. Ent. Soc. iv, 279, % . Tex. 

 Intrudens Cress. (3/eZ/ssof?es )iPi;a(?e»»s»s Ii). ibid, vii, 209, 225, %. Nev. 

 speciosa Cress. (Melhsodes), Proc. Acad. Nat. Sci. Phil. 1878, 198, 9. Col. 



DIADA^ilA Patton. 



australis Cress. (Melissodes), Proc. Acad. Nat. Sci. 187S, 214, % 9 . Col. Tex. 



diminuta Cress. (MeHssodes) ibid. 215, % . Col. 



enavata C^ess. (Jfrf/ssorfes), Trans. Am. Ent. Soc. iv, 280, 9- Ks. Tex. 



EiWFHOR Patton. 

 bombiformis Cress. (MeMssoden), Proc. Acad. Nat. Sci. 1878. 219, % 9. U.S. 



EXTECHXIA Patton. ,./^ _:^__: 



fulvifrons Smith { Aufhophom). Brit. Mus. Cat. Hym. ii, 341, 9. Tex. (S.Am.) 

 taureaSay (Anthophora), Bost. Jour, i, 410; Lee. Edit, ii, 78.5. % 9. U.S. 



TKANS. AMEK. ENT. SOC. (39) SUPPL. VOL. 1887. 



