-
Synonymy of Andricus gigas and the Bisexual Generation of Andricus crenatus (Hymenoptera: Cynipidae)
Vol 49, Iss 3, Page 188, Date 1973
-
The Genus Paratrichogramma Girault (Hymenoptera: Trichogrammatidae)
Vol 49, Page 192, Date 1973
-
Behavioral Studies of Three Morphotypes of Therion circumflexum (Hymenoptera: Ichneumonidae)
Vol 49, Iss 3, Page 197, Date 1973
-
The Ant Larvae of the Tribes Basicerotini and Dacetini: Second Supplement (Hymenoptera: Formicidae: Myrmicinae)
Vol 49, Iss 3, Page 207, Date 1973
-
The Fossil Mymariclae (Hymenoptera: Chalcidoidea)
Vol 49, Iss 3, Page 221, Date 1973
-
Macrobiotus montanus from California (Tardigrada: Macrobiotidae)
Vol 49, Iss 3, Page 229, Date 1973
-
New Species of North American Torymidae (Hymenoptera)
Vol 49, Iss 3, Page 232, Date 1973
-
A New Comadia from the San Joanquin Valley of California (Lepidoptera: Cossidae)
Vol 49, Iss 3, Page 240, Date 1973
-
New Species of Trichoptera
Vol 49, Iss 2, Page 132, Date 1973
-
The Behavior of Microbembex nigrifrons (Hymenoptera: Sphecidae)
Vol 49, Iss 2, Page 144, Date 1973
-
A New Subspecies of Plebejus acmon (Lepidoptera: Lycaenidae)
Vol 49, Iss 2, Page 149, Date 1973
-
New Ephemerellidae from Madagascar and Afghanistan (Ephemeroptera)
Vol 49, Iss 2, Page 160, Date 1973
-
Descriptive Morphology of Eggs of Some Species in the Macrobiotus hufelandii Group (Tardigrada: Macrobiotidae)
Vol 49, Iss 3, Page 258, Date 1973
-
Mealybugs of San Miguel Island, California (Homoptera: Coccoidea: Pseudococcidae)
Vol 49, Iss 3, Page 264, Date 1973
-
A New Milliped of the Genus Tynomma from California (Lysiopetalidea: Lysiopetalidae)
Vol 49, Iss 3, Page 270, Date 1973
-
A Reclescription of the Scorpion Vejovis flavus
Vol 49, Iss 2, Page 165, Date 1973
-
Unisexual Generation of Andricus atrimentus (Hymenoptera: Cynipidae)
Vol 49, Iss 2, Page 171, Date 1973
-
A New Species of Diplolepis from California (Hymenoptera: Cynipidae)
Vol 49, Iss 2, Page 174, Date 1973
-
Coniopterygidae from Chile, with Three New Species (Neuroptera)
Vol 49, Iss 3, Page 250, Date 1973
-
A New Species of Hamotus from Galleries of Microcerotermes septentrionalis in Western Mexico (Coleoptera: Pselaphidae) (Isoptera: Termitidae)
Vol 49, Iss 3, Page 255, Date 1973
-
Thomas Wrentmore Cook (1884—1962)
Vol 49, Iss 2, Page 177, Date 1973
-
The Genus Paranaphoidea Girault (Hymenoptera: Mymaridae)
Vol 49, Iss 3, Page 185, Date 1973
-
Notes on the Biology of Neomachilis Halophila on a California Sandy Beach (Thysanura: Machilidae)
Vol 49, Iss 3, Page 246, Date 1973
-
The Genus Polynemoidea Girault (Hymenoptera: Mymaridae)
Vol 49, Iss 3, Page 215, Date 1973
-
Chromosomal Variability in a Nearctic Lycaenid Butterfly, Philotes sonorensis (Lepidoptera: Lycaenidae)
Vol 49, Iss 1, Page 74, Date 1973
-
The Sawfly Tribe Lycaotini in South America (Hymenoptera: Tenthredinidae)
Vol 49, Iss 2, Page 93, Date 1973
-
Feeding Habits and Seasonal History of Ernobius conicola in Cones of Monterey Cypress with Notes on Cohabiting Insects (Coleoptera: Anobiidae)
Vol 49, Iss 2, Page 102, Date 1973
-
Biology of the Spider Diguetia imperiosa (Araneida: Diguetidae)
Vol 49, Iss 2, Page 110, Date 1973
-
Description of a New Species of Trjapitzinellus Parasitic on Coniopterygidae in California (Hymenoptera: Encyrtidae; Neuroptera)
Vol 49, Iss 1, Page 51, Date 1973
-
Larval Description and Notes on the Biology of Anthocomus horni (Coleoptera: Melyridae)
Vol 49, Iss 1, Page 56, Date 1973
-
A New Species of the Flea Beetle Genus Chaetocnema Found on Dichondra in California (Coleoptera: Chrysomelidae)
Vol 49, Iss 1, Page 61, Date 1973
-
Possible Behavioral Thermoregulation in Tanarthrus salinus and T. inyo (Coleoptera: Anthicidae)
Vol 49, Iss 1, Page 67, Date 1973
-
A Revision of the New World Genus Formicilla (Coleoptera: Anthicidae)
Vol 49, Iss 1, Page 31, Date 1973
-
A new genus of pseudoscorpions based upon Atemnus hirsutus (Pseudoscorpionida: Chernetidae)
Vol 49, Iss 1, Page 43, Date 1973
-
Foraging Behavior of Trigona fulviventris in Costa Rica
Vol 49, Iss 1, Page 21, Date 1973
-
Behavior of the Male Trypoxylon rubrocinctum (Hymenoptera: Sphecidae)
Vol 49, Iss 1, Page 26, Date 1973
-
A New Species of Spinolochus from North America (Hymenoptera: Ichneumonidae)
Vol 49, Iss 2, Page 124, Date 1973
-
A New Pulverro from California (Hymenoptera: Sphecidae)
Vol 49, Iss 1, Page 49, Date 1973
-
A New Species of Phobetus
Vol 49, Iss 2, Page 127, Date 1973
-
Two New Subspecies of the Drosophila willistoni Group (Diptera: Drosophilidae)
Vol 49, Iss 3, Page 273, Date 1973
-
A New Species of Baetis From Ecuador (Ephemeroptera: Baetidae)
Vol 49, Iss 4, Page 285, Date 1973
-
Recurrent Aberration in Cynthia annabella: A Review with Four New Records (Lepidoptera: Nymphalidae)
Vol 49, Iss 4, Page 289, Date 1973
-
Four New Species of the Genus Baetodes (Ephemeroptera: Baetidae)
Vol 49, Iss 4, Page 308, Date 1973
-
Synopsis of the Genus Chilenoperla (Plecoptera: Gripopterygidae)
Vol 49, Iss 4, Page 315, Date 1973
-
Some new taxa in the Myrmosinae with keys to the females in North America
Vol 49, Iss 4, Page 325, Date 1973
-
New species of Eurytoma associated with Cynipidae
Vol 49, Iss 4, Page 354, Date 1973
-
New Species of Leptohyphes Eaton (Ephemeroptera: Tricorythidae)
Vol 49, Iss 4, Page 363, Date 1973
-
A review of the genus Borboropsis (Diptera: Heleomyzidae)
Vol 49, Iss 4, Page 373, Date 1973
-
The Hamotus of Arizona (Coleoptera: Pselaphidae)
Vol 49, Iss 4, Page 378, Date 1973
-
Lectotype designations of African bees of the genus Ceratina and allies (Hymenoptera, Apoidea)
Vol 49, Iss 4, Page 383, Date 1973
-
Ant Larvae of the Subfamily Dolichoderinae: Second Supplement (Hymenoptera: Formicidae)
Vol 49, Iss 4, Page 396, Date 1973