Robertson — Flowers and Insects. 179 



(9) H. zephyrusSm. $,8.; (10) H. confusus Sm. 9, s. & c. p. freq.; (11) H. 

 stultus Cr. 9> s.; (12) Agapostemon radiatus Say rj 1 , s.; (13) Augochlora 

 labrosa Say 9 , 8. & c. p., freq. ; (14) A. viridula Sm. <J' 9 j s., freq. ; (15) Proso- 

 pismodesta Say rj',8.; (lfi) P. pygraaea Cr. rf,s. ; Eumenidae: (17) Eumenes 

 fraternus Say; (18) Odynerus sp. ; (19) O.tigris Sauss., freq.; (20) O.dorsalis 

 F. ; (21) O. fundatus Cr., freq.; (22) O. quadrisectus Say; (23) O- perennis 

 Sauss.; Crabronidae: (24) Crabro interruptus Lep.; Sphecidae: (25) Ammo- 

 phila gracilis Lep.; (26) A. intercepta Lep.; (27) A. vulgaris Cr. — all s. 



Diptera — Tipulidae: (28) Geranomyia canadensis "West.; Empidae: (29) 

 Empis clausa Rob. (MS.) freq.; Conopidae: (30) Zodion naneliumLw. ; (31) 

 Oncomyia loraria Lw. ; Syrphidae: (32) Sphaerophoria cylindrica Say; (33) 

 Syritta pipiens L. ; Tachinidae: (34) Mlltogramma argentifrons Twos.; (35) 

 Siphona illinoensis Twns., freq.; (36) Siphophyto floridensis Twns. — alls. 



Lepidoptera — Heterocera: (37) Sesia sexfasciata Edw., s. 



Hemiptera — Lygaeidae: (38) Melanocoryphus bicrucis Say; Capsidae. 

 (39) Lopidea media Say, freq. •- both s. 



Issued April 28, 1896. 



