Index 
165 
1952] 
Panorpa lintienshana, 89 
Papilionoidea, 61 
Parada absona, 146 
Parada Darlington i, 143 
Parada hackeri, 145 
Parada torta pulla, 147 
Philopteridae, 26 
Philopterus osborni, 27 
Pogonomyrmex huachucanus, 71 
Proventriculus, 47 
Pseudomyrmex apache, a New 
Species from the Southwestern 
United States (Hymenoptera : 
Formicidae), 131 
Pupa of Hemiargus isolus, 129 
Rotundiceps, 28 
Six New Species of Megistops with 
Keys to the Known Species 
(Coleoptera), 1 
Studies on Arizona Ants, 71, 148 
Tabanidae, 37 
Taxonomic Value of the Ovipositor 
in the New England Species 
of the Genus Corythucha Stal 
(Hemiptera: Tingidae), 96 
The Female of Formica opaciven- 
tris Emery (Formicidae), 13 
The Genus Parada Horvath (Hem- 
iptera: Tingidae), 143 
Tingidae, 96, 143 
Trichoptera, 31 
