110 CRESSON TYPES OF HYMENOPTERA 



APIDAE 



abacula (Megachile), Trans. Am. Ent. Soc, vii, 130, 9 cf . 



2437 9 . Mexico. In good condition. 

 abdominalis (Calliopsis), Trans. Am. Ent. Soc, vii, 68, 9 cf . 



2200 9 • Texas. In good condition. 

 abdominalis (Tetrapedia), Proc. Acad. Nat. Sci. Phil., 1878, 182, 9 cf . 



2381 cf • Mexico. In good condition. 

 abjecta (Osmia), Trans. Am. Ent. Soc, vii, 103, 9. 



2521. Colorado. In good condition. 

 abnormis (Osmia), Trans. Am. Ent. Soc, vii, 105, cf. 



2546. Colorado. Extreme tip of left antenna, and apical half of right antenna, 

 off. 

 accepta (Nomada), Trans. Am. Ent. Soc, vii, 77, 9 cf . 



2610 9- Colorado. In good condition. 

 acerba (Melissodes), Trans. Am. Ent. Soc, vii, 210, 9. 



2351. Nevada. In good condition. 

 actuosa (Melissodes), Proc. Acad. Nat. Sci. Phil., 1878, 208, 9. 



2320. California. Tip of right posterior tarsus off. 

 addenda (Megachile), Trans. Am. Ent. Soc, vii, 124, 9 cf . 



2418 9. Georgia. In good condition. 

 adducta (Nomada), Trans. Am. Ent. Soc, vii, 73, cf . 



2591. Colorado. In good condition. 

 aethiops (Centris), Proc. Ent. Soc. Phil., iv, 193, 9- 



2623. Cuba. In good condition. 

 aethiops (Panurgus), Trans. Am. Ent. Soc, iv, 259, 9 cf. 



2202 9 . Texas. In good condition. 

 affabilis (Anthophora), Proc. Acad. Nat. Sci. Phil., 1878, [89, 9 cf. 



2266 9 . Texas. In good condition. 

 affabilis (Nomada), Trans. Am. Ent. Soc, vii, 74, cf . 



2 593- New York. Flagellum of left antenna and tips of posterior tarsi off. 

 affinis (Bombus), Proc. Ent. Soc Phil., ii, 103, 9 cf . 



2631 9. Canada. In good condition. 

 affinis (Perdita), Trans. Am. Ent. Soc, vii, 69, 9 cf. 



2207 9. Colorado. In good condition, 

 afflicta (Melissodes), Proc. Acad. Nat. Sci. Phil., 1878, 217, 9 cf. 



2337 9. Texas. In good condition. 

 agilis (Melissodes), Proc. Acad. Nat. Sci. Phil., 1878, 204, cf 



2315. Texas. In good condition. 

 agnatum (Anthidium), Trans. Am. Ent. Soc, vii, 117, cf. 



2413. Mexico. In good condition. 

 agnatus (Epeolus), Trans. Am. Ent. Soc., vii, 89, cf. 



2220. Dakota. In good condition. 



