Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 1-12
Published in Proc. Ent. Soc. Washington, in 1981, in volume 83, pages 13-27
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 28-39
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 40-43
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 44-51
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 52-59
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 60-63
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 64-71
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 72-92
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 93-98
Published in Proc. Ent. Soc. Wash, in 1981, in volume 83, pages 99-104
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 105-128
Published in Proc. Ent. Soc. Washington, in 1981, in volume 83, pages 129-132
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 133-136
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 137-139
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 140-159
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 160-163
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 164-167
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 168-172
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 173
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 174
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 175-176
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 185-197
Published in Proc. Ent. Soc. Washington, in 1981, in volume 83, pages 198-212
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 213-221
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 222-224
Published in Proc. Ent. Soc. Wash, in 1981, in volume 83, pages 225-229
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 230-244
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 245-257
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 258-268
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 269-273
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 274-282
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 283-286
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 287-295
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 296-299
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 300-303
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 304-315
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 316-323
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 324-325
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 326-331
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 332-338
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 339-358
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 359
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 360
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 361-362
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 373-389
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 389
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 390-398
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 399-402
Published in Proc. Ent. Soc. Wash, in 1981, in volume 83, pages 403-405
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 406-412
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 413-420
Biosystematics of ground-nesting species of Pison in Australia (Hymenoptera: Sphecidae: Trypoxylini)
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 421-427
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 428-431
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 432-443
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 443
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 444-460
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 461-471
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 472-478
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 479-488
Published in Proc. Ent. Soc. Washington, in 1981, in volume 83, pages 489-504
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 505-511
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 512-515
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 516-519
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 520-523
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 524-531
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 532-536
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 537-543
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 573-591
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 592-595
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 596-606
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 607-619
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 620-624
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 631-641
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 642-657
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 658-679
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 680-689
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 690-693
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 694-706
A new species of Rhagoletotrypeta (Diptera: Tephritidae) from Texas, with a key to the known species
Published in Proc. Ent. Soc. Wash, in 1981, in volume 83, pages 707-712
Published in Proceedings of the Entomological Society of Washington, in 1981, in volume 83, pages 713-715
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 716-724
Published in Proceedings of The Entomological Society of Washington, in 1981, in volume 83, pages 725-758