optera, Formicidae), 287 
Observations on Microtus nesting in 
ant mounds, 127 
Observations on the nesting site and 
biology of the Arizona dampwood 
termite, Zootermopsis laticeps 
(Banks) (Hodotermitidae) , 113 
Observations on three species of 
Phidippus jumping spiders (Ar- 
aneae: Salticidae), 133 
Phaenochilus renipunctus, 151 
Phidippus, 133 
Picrocryptoides : A new genus of the 
tribe Mesostenini from southern 
South America (Hymenoptera, 
Ichneumonidae) , 167 
PICROCRYPTOIDES HESPERIOS, 173 
PICROCRYPTOIDES WILLINKI, 171 
Platypatrohus , 305 
Platypus pint, 159 
Platypus pulchellus , 160 
Platypus DARLINGTONI, 162 
Pristoviyrmex fovelatus, 38 
Pristomyrmex quadridentatus, 42 
Pristomyrmex thoracicus, 41 
Pristomyrmcx wheeleri, 48 
Proctotrupoidea, 295 
Prosopidris papuna, 81 
Prosopidris sima, 84 
“Queenlessness,” worker sibship, and 
colony versus population structure 
in the Formicid genus Rhytido- 
bonera , 87 
Rhabdcpyris apache, 269 
Rhabd epyris fortunatus , 269 
Rhabdepyris gracilis, 268 
Rhabdcpyris hirticulus, 269 
Rhabdepyris muesebecki, 265 
Rhabdcpyris multilineatus, 266 
Rhabdcpyris nigripilosus , 268 
Rhabdepyris nigriscapus , 266 
Rhabdepyris virescens, 270 
Rhytidoponera inornata, 97 
Rhytidoponera metallica, 94 
Rhytidoponera purpurea, 92 
Rhytidoponera tasmaniensis, 96 
Rhytidoponera victoriae, 98 
Rhytidoponera violacea , 99 
Salticidae, 133 
Scolytoidea, 159 
Scolytoidea (Coleoptera) 5: Notes 
on neotropical Platypodidae, main- 
ly from Central America, 159 
Self-burying behavior in the genus 
Sicarius (Araneae, Sicariidae), 
218 
Sicariidae, 218 
Sicarius, 218 
Simpone bakeri, 288 
Simpone chapmani, 287 
Simultaneous care of more than one 
nest by Ammophila ezteca Cam- 
eron (Hymenoptera, Sphecidae), 8 
Sphecidae, 8 
Spider Genitalia, 152 
Statira basalis, 252 
Statira colorata, 245 
Statira croceicollis, 249 
Statira defecta, 248 
Statira dolera, 249 
Statira gagatina gagatina, 252 
Statira gagati?ia resplendens , 253 
Statira hirsuta, 246 
Statira huachucae , 247 
Statira liebecki, 248 
Statira nigromaculata, 246 
Statira opacicollis, 247 
Statira pluripunctata, 245 
Statira pulchella, 246 
Statira robusta, 248 
Statira subnitida, 244 
Studies on North American Carboni- 
ferous insects. 4. The genera 
Metropator, Eubleptus , Habalop- 
tera and Hadentomum, 175 
Techniques for the study of spider 
genitalia, 152 
Termites, 113 
Tephritidae, 307 
T esserocerus belti, 163 
Tesserocerus deivalquei, 163 
T esserocerus ericeus, 163 
Tesserocranulus nevermanni, 165 
The ant larvae of the subfamily 
Laptanillinae (Hymenoptera, For- 
micidae), 24 
The Australian ants of the genus 
Pristomyrmex, with a case of ap- 
parent character displacement, 35 
The genus N eohermcs (Megaloptera : 
Corydalidae) , 255 
The genus Zonosematz , with notes 
328 
