16 C. G. Wright, T. P. Nuhn, and H. E. Dupree, Jr. 



Wuorenrinne, H. 1989. Effects of urban pressure on colonies of Formica rufa 

 group (Hymenoptera: Formicidae) in the town of Espoo (Finland). Ann. 

 Zool. (Warsaw). 42:335-344. 



Wright, C. G., and H. E. Dupree, Jr. 1984. Insect control around houses. Pest 

 Control Technology. 12:58-61. 



Accepted February 1990 



