ISSN 0033-2615 
PSYCHE 
A JOURNAL OF ENTOMOLOGY 
founded in 1874 by the Cambridge Entomological Club 
Vol. 94 1987 N% 1-2 
CONTENTS 
The fossil members of the ant tribe Leptomyrmicini (Hymenoptera: For- 
micidae). Cesare Baroni Urbani and Edward O. Wilson 1 
Pseudacteon obtusus (Diptera: Phoridae) attacking Solenopsis invicta 
(Hymenoptera: Formicidae) in Brasil. David F. Williams and William 
A. Banks 9 
New genera and species of Tyrini from Australia (Coleoptera: Pselaphidae). 
Donald S. Chandler 15 
Affinities of the fossil wasp, Hoplisidea kohliana Cockerell (Hymenoptera: 
Sphecidae: Sphecinae). A. S. Menke and A. P. Rasnitsyn 35 
Host specificity in raiding behavior of the slave-making ant, Polyergus 
lucidus. Linda Goodloe, Raymond Sanwald, and Howard Topoff ... 39 
New Praestochrysis and notes on described species from the Oriental region 
(Hymenoptera: Chrysididae). Richard M. Bohart 45 
A new species of Protosmia Ducke from Spain, with notes on related species 
(Hymenoptera: Megachilidae). Terry Griswold and Frank D. Parker 
51 
New genera and species of neotropical Amiseginae (Hymenoptera: Chrysi- 
didae). Lynn Siri Kimsey 57 
The identity of Odynerus scudderi Cameron and O? bradleyi Cameron 
(Hymenoptera: Vespidae: Eumeninae). James M. Carpenter 77 
Homopteran attendance by wasps and ants: the stochastic nature of 
interactions. Deborah K. Letourneau and Jae C. Choe 81 
(continued on back cover) 
