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Centennial issue
Vol 81, Page 1
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History of the Cambridge Entomological Club
Vol 81, Page 3
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Supplementary Studies on Ant Larvae: Teratomyrmex
Vol 81, Page 38
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Modification of the Intersegmental Region in the Pterothorax of Cryphocricos (Heteroptera: Naucoridae)
Vol 81, Page 42
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The Polytypic Genus Celotes (Lepidoptera: Hesperiidae: Pyrginae) From the Southwestern United States and Northern Mexico
Vol 81, Page 51
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A Remarkable New Island Isolate in the Ant Genus Proceratium (Hymenoptera: Formicidae)
Vol 81, Page 70
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Sexual Biology, Chromosomes, Development, Life Histories and Parasites of Boreus, Espesially of B. Notoperates. a Southern California Boreus. II. (Mecoptera: Boreidae)
Vol 81, Page 84
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Emergence patterns of the Subalpine Dragonfly Somatochlora Semicircularis (Odonata: Corduliidae)
Vol 81, Page 121
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The Milliped Genus Bollmanella (Diplopoda, Chordeumida, Conotylidae)
Vol 81, Page 134
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A New Genus of Primitive Meloidae From West Texas (Coleoptera)
Vol 81, Page 147
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Polymorphism in Stelopolybia Areata (Hymenoptera, Vespidae)
Vol 81, Page 155
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Behavior of the North American Termite Tenuirostritemes Tenuirostris, With Special Reference to the Soldier Frontal Gland Secretion, Its Chemical Composition, and Use in Defense
Vol 81, Page 167
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The Castianeirinae of Mexico. I. Castianeira Dugesi (Becker) (Araneae: Clubionidae)
Vol 81, Page 178
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The Soldier of the Ant Camponotus (Colobopsis) Fraxinicola as a Trophic Caste
Vol 81, Page 182
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Chemical Defense and Sound Production in Australlian Tenebrionid Beetles (Adelium Spp.)
Vol 81, Page 189
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Synchronous Visualization of Video-Taped Sounds and Motions of Insects
Vol 81, Page 209
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Social Carrying Behavior and Division of Labor During Nest Moving in Ants
Vol 81, Page 219
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Temporal Activity Patterns in Two Competing Ant Species (Hymenoptera: Formicidae)
Vol 81, Page 237
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Relationship of Larval Food-Plants and Voltinism Patterns in Temperate Butterfiles
Vol 81, Page 243
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Variations in Cleaning Between the Sexes of Sinella Coeca (Collembola: Entomobryidae)
Vol 81, Page 254
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Centennial of Entomology at Cornell University
Vol 81, Page 257
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Notes on Necrophoric Behavior in the Archaic Ant Myrmecia Vindex (Formicidae: Myrmeciinae)
Vol 81, Page 258
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The First Recent Species of Protomutilla (Hymenoptera: Mutillidae; Myrmosinae)
Vol 81, Page 268
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Life History of Abedus Herberti in Central Arizona (Hemiptera: Belostomatidae)
Vol 81, Page 272
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Prey Capture by Drymusa Dinora (Araneae, Scytodidae)
Vol 81, Page 284
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A New Cockroach Genus (Gurneya) Previously Confused With Pinaconota (Blaberidae: Epilamprinae)
Vol 81, Page 288
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Merope Tuber (Mecoptera): A Wing-Body Interlocking Mechanism
Vol 81, Page 303
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The Unusual Web of Spilasma Tubulofaciens, With Taxonomic Notes on the Species (Araneae: Araneidae)
Vol 81, Page 307
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Wing-Folding in the Paleozoic Insect Order Diaphanopterodea (Paleoptera), With a Description of New Representatives of the Family Elmoidae
Vol 81, Page 315
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Observations of the Nesting Behavior of Rubrica Surinamensis (Degeer) (Hymenoptera, Sphecidae)
Vol 81, Page 334
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A New Species of Opithes From Mexico With a Key to the Species (Coleoptera: Staphylinidae)
Vol 81, Page 353
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Host-Plant Utilization by Pieris Napi Populations in California (Lepidoptera Pieridae)
Vol 81, Page 361
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New Protonemura (S. L.) From Nepal (Plecoptera; Nemouridae)
Vol 81, Page 367
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The Eyeless Catopocerus Beetles (Leiodidae) of Eastern North Amrica
Vol 81, Page 377
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Post-Immobilization Wrapping of Prey by Lycosid Spiders of the Herbaceous Stratum
Vol 81, Page 398
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Erratum
Vol 81, Page 415
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Pteralia of the Paleozoic Insect Orders Palaeodictyoptera, Megasecoptera and Diaphanopterodea (Paleoptera)
Vol 81, Page 416
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Systematics of the Trapdoor Spider Genus Aliatypus (Araneae: Antrodiaetidae)
Vol 81, Page 431
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A Review of the Agyrtes (Silphidae) of North America
Vol 81, Page 501
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Application of the Transmission Electron Microscope to the Examination of Spider Exuviae and Silk
Vol 81, Page 507
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Plastral Respiratory Devices in Adult Cryphocricos (Naucoridae: Heteroptera)
Vol 81, Page 510
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Home Ranges of Male Cerceris Simplex Macrosticta (Hymenoptera, Sphecidae)
Vol 81, Page 528
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Additional Notes on Stephanitis Takeyai in New England (Heteroptera: Tingidae)
Vol 81, Page 534