■>°a y 
+ PSYCHE 
A JOURNAL OF ENTOMOLOGY 
founded in 1874 by the Cambridge Entomological Club 
Vol. 84 March, 1977 No. 1 
CONTENTS 
Attacks on Large or Heavily Defended Prey by Tropical Salticid Spiders. 
Michael H. Robinson and Carlos E. Valerio 1 
The Taxonomic Status and Biogeographic Significance of the Sumatran 
Formica (Formicidae, Hymenoptera). Andre Francoeur 11 
Aerial Dispersal Behavior of Two Orb Weaving Spiders. Wayne W. Tolbert ... 13 
Ecology, Zoogeography and Taxonomy of the Lower Rio Grande Valley 
Mesostenines (Hymenoptera, Ichneumonidae). Charles C. Porter 28 
Taxonomy of the United States Leucochrysa (Neuroptera: Chrysopidae) 
Phillip A. Adams 92 
Egg Guarding by Male Assassin Bugs of the Genus Zelus (Hemiptera: 
Reduviidae). J. Scott Ralston 103 
Notice of Reprints of Articles by Professor W. M. Wheeler 
107 
