CONTENTS, continued 
Observations of Xenorhynchum nitidulum (Fabricius) (Hymenoptera: Eume- 
ninae), a primitively social wasp. Mary Jane West-Eberhard 317 
Competition for prey between ants and burying beetles ( Nicrophorus spp.): 
differences between northern and southern temperature sites. Michelle 
P. Scott, James F. A. Traniello, and Isabelle A. Fet hers ton 325 
An unusual new genus of Chrysididae from Oman (Hymenoptera). Lynn 
Siri Kimsey 333 
Neoclystopsenella (Bethylidae), a synonym of Tapinoma (Formicidae). 
William L. Brown, Jr 337 
A substitute name for the extinct genus Stenelytron Kukalova (Protelytropte- 
ra). Jarmila Kukalova- Peck 339 
Worker longevity in harvester ants ( Pogonomyrmex ). D. M. Gordon and 
B. Hplldobler . . 341 
Macrohabitat selection by the orb weaving spider, Micrathena gracilis. 
Margaret A. Hodge 347 
Factors influencing web site residence time of the orb weaving spider, 
Micrathena gracilis. Margaret A. Hodge 363 
Review of the extinct family Syntonopteridae (order uncertain). Frank. M. 
Carpenter 373 
Index to volume 94 000 
