INDEX TO SUBJECTS 
All new genera, new species and new names are printed in capital type. 
Acvphoderes sexualis, 261 
Adaptive Value of Polymorphism in an 
Alpine Ant, Formica neorufibarbis 
ge/ida, 1 80 
Adult and Immature Calvertiellidae 
from the Upper Palaeozoic of New 
Mexico and Czechoslovakia, 79 
Anoplius cteniphagus, 264 
Antrophoridae, 121 
APHELONEURIDAE, 363 
APHELONEURA MINUTISSIMA, 365 
APHELONEURA AMPLIA, 367 
Ascalaphidae, 1 
Ascaloptynx, 1 
Behavioral Ecology of the “Edge Ef- 
fect” in Schizocosa crassipes , 42 
Calvertiellidae, 79, 89 
Camponotus branneri, 106 
CARRIZOPTERYX ARROYO, 89 
Centris pallida, 121 
Coniopterygidae, 192 
Ctenobethvlus, a New Synonym of 
Iridomyrmex, 2 1 3 
Ctenobethvlus suceinalis, 2 1 3 
Diaprepocoris, 1 32 
Defensive Adaptations of Some Neo- 
tropical Long-Horned Beetles: An- 
tennal Spines, Tergiversation, and 
Double Mimicry, 256 
Diploperla robust a, 3 1 0 
Discovery of Major Worker in Campo- 
notus branneri, 106 
£f/7/«OCo/mYCHIHUAHUENSIS, 56 
Echinocoleus sonorensis, 54 
ELMOBORIA PfjPERl, 350 
ELMOBORIIDAE, 349 
ELMOTHONE MARTYNOVAE, 353 
Epipompilus jamaicensis, 265 
Epipompilus morosus, 268 
Epipompilus qv inquenotus, 266 
Eucaenidae, 224 
Eucaenus ovalis, 223 
First Workerless Parasite in the Ant 
Genus Formica, 277 
Foraging Patterns of Halictid Bees 
at Flowers of Convolvulus arvensis, 
112 
Formica neorufibarbis gelida, 1 8 1 
Functional Anatomy of the Mesotho- 
racic Leg of the Waterstrider, Ger- 
ris remigis, 289 
GELASOPTERIDAE, 369 
GELASOPTERON GRACILE, 372 
G err is remigis, 289 
Gorytine Wasps, 324 
Halictid Bees, 1 12 
Hammaticherus batus, 256 
Herpyllus, 245 
Hesperocorixa, 1 32 
HETEROPTILIDAE, 346 
HETEROPTILON COSTALE, 347 
Hoplisoides denticulatus, 329 
Hoplisoides iridipennis, 328 
Hoplisoides umbonicida, 325 
Hoplisoides vespoides, 326 
Life History and Ecology of Diplo- 
perla robusta, 3 1 0 
Lower Permian Insects of Kansas. Part 
12. Protorthoptera (continued), Neu- 
roptera. Additional Palaeodictyop- 
tera, and Families of Uncertain Po- 
sition, 336. 
Lycosa, 1 96 
Lycosid Spiders on Artificial Foliage: 
Stratum Choice, Orientation Prefer- 
ence, and Prey- Wrapping, 196 
Micronecta, 132 
MIDESMIDA MORRISONI, 193 
Moravia convergens, 83 
Morphology of Corixidae, 132 
Myrmecophilous Beetle Genus Echi- 
nocoleus in Southwestern United 
States, 51 
Natural History of the Workerless Ant 
Parasite, Formica talbotae, 282 
Neadelphus protae, 22 
New Argentine Genus of Theriini, 185 
381 
