-
A revision of the genus Rhexidius Casey (Coleoptera: Pselaphidae)
Vol 38, Page 1
-
New stoneflies and records from the Pacific coast of the United States
Vol 38, Page 15
-
Notes on the distributions of some bumblebees of western North America (Hymenoptera: Apidae)
Vol 38, Page 21
-
New Trichoptera
Vol 38, Page 33
-
New North America Tabanidae. XIV. An undescribed Apatolestes from the California coast (Diptera)
Vol 38, Page 41
-
A new species of Sphecodogastra associated with Oenothera in eastern Utah, New Mexico and western Texas (Hymenoptera: Halictidae)
Vol 38, Page 45
-
New species of Onagrandrena associated with Oenothera in California, Nevada and Wyoming (Hymenoptera: Andrenidae)
Vol 38, Page 49
-
Note on the sleeping habits of males of Melissodes robustior Cockerell (Hymenoptera: Apoidea)
Vol 38, Page 53
-
Synonymical notes on the genus Cerceris- IV (Hymenoptera: Sphecidae)
Vol 38, Page 57
-
Notes on the biology and dispersal of Melanophila (Coleoptera: Buprestidae)
Vol 38, Page 59
-
Notes on two species of Sphecine wasps described by H. T. Fernald from South America (Hymenoptera: Sphecidae)
Vol 38, Page 63
-
The colletid Ptiloglossa arizonensis Timberlake, a matinal pollinator of Solanum (Hymenoptera)
Vol 38, Page 75
-
A review of the genus Periploca with descriptions of nine new species (Lepidoptera: Gelechioidea)
Vol 38, Page 83
-
Notes on Hesperotychus (Coleoptera: Pselaphidae)
Vol 38, Page 99
-
New North American species of Elaphidionine Cerambycidae (Coleoptera)
Vol 38, Page 103
-
The Tachytes pepticus group in North America (Hymenoptera: Sphecidae)
Vol 38, Page 117
-
Host-parasite relationships of California Tortricinae (Lepidoptera: Tortricidae)
Vol 38, Page 131
-
The Saldidae of Nevada (Hemiptera)
Vol 38, Page 147
-
Notes on Phyllophaga sociata (Horn) with a description of the larva (Coleoptera:Scarabaeidae)
Vol 38, Page 163
-
Notes on Tychini from western North America (Coleoptera: Pselaphidae)
Vol 38, Page 169
-
A stridulatory structure in Chrysopidae (Neuroptera)
Vol 38, Page 178
-
Notes on the bionomics of Zonosemata vittigera (Coquillet), a fruit fly on Solanum (Diptera Tephritidae)
Vol 38, Page 181
-
Observations on the flight behavior of an ascalaphid of the genus Ululodes (Neuroptera: Ascalaphidae)
Vol 38, Page 186
-
Biological and taxonomic notes on two California species of Proteoteras (Lepidoptera: Tortricidae)
Vol 38, Page 191
-
Observations on the voluntary display of coremata in Estigmene acrea (Lepidoptera: Arctiidae)
Vol 38, Page 195
-
Species of the genus Batrisodes from the Pacific slope of western North America (Coleoptera: Pselaphidae)
Vol 38, Page 199
-
New North American Tachinidae (Diptera)
Vol 38, Page 215
-
Notes on the distribution of some southwestern megachilids, with descriptions of three new forms (Hymenoptera: Apoidea)
Vol 38, Page 225
-
Japygidae of South America 2. The genus Provalljapyx (Insecta: Diplura)
Vol 38, Page 237
-
A note on Nothylaeus heraldicus (Smith), the membrane bee (Hymenoptera: Colletidae)
Vol 38, Page 244
-
Abandonment of disturbed hosts by their fleas
Vol 38, Page 249