ISSN 0033-2615 
PSYCHE 
A JOURNAL OF ENTOMOLOGY 
founded in 1874 by the Cambridge Entomological Club 
Vol. 90 
1983 
No.1-2 
Studies on Upper Carboniferous insects: I. The Geraridae (Order Protorthop- 
tera). Laurie Burnham I 
Testing visual species recognition' in Precis (Lepidoptera: Nymphalidae) using 
a cold-shock phenocopy. Arthur M. Shapiro 59 
Defensive adaptations and natural enemies of a case-bearing beetle, Exema 
canadensis (Coleoptera: Chrysomelidae). Richard B. Root and Frank J. 
Messina 67 
Studies on North American Carboniferous insects. 7. The structure and relation- 
ships of £w6/c/;m.s r/oA7/W.v/ (Palaeodictyoptera). Frank M. Carpenter 81 
The biology of Trichadenotecnum alexanderae Sommerman (Psocoptera: 
Psocidae). 111. Analysis of mating behavior. B. W. Betz 97 
Predatory behavior of bombardier beetles by a tabanid fly larva. Steven 
Now ick i and Thomas Eisner 119 
Prey selection by the neotropical spider, Alpaida tuonado, with notes on 
web-site tenacity. Todd E. Shelly 123 
Reproductive behavior of Claeoderes hivittata (Coleoptera: Brentidae). 
Leslie K. Johnson 135 
Polydomy in the slave-making ant, Harpagoxenus americanus (Emery) 
(Hymenoptera: Formicidae). Maria Guadalupe Del Rio Pesado and 
Thomas M. Alloway 151 
Situation and location-specific factors in the compatibility in Rhytido- 
ponera metallica {Uymenoplera: Formicidae: Ponerinae). Caryl P. Haskins 
and Edna F. Haskins 163 
Capture of bombardier beetles by ant-lion larvae. Jeffrey Conner and 
Thomas Eisner 175 
Reproductive plasticity in yellowjacket wasps: a polygynous, perennial 
colony of Vespula maculifrons. Kenneth G. Ross and P. Kirk Visscher .... 179 
