D.A. Roff 1990. The Evolution of Flightlessness in Insects.
Ecological Monographs 60 (4): 389-421.
Thank you very much for your help!
Alfred F. Newton, Curator Emeritus Integrative Research Center (Insect Division) Field Museum of Natural History 1400 South Lake Shore Drive Chicago, IL 60605 USA Telephone (direct): 312-665-7738; Fax (Zoology): 312-665-7754; Email: [log in to unmask]