Bibliography of butterflies

Calvert, William H., and Lincoln Pierson Brower

1982. The importance of forest cover for the survival of overwinte-ring monarch butterflies (Danaus plexippus, Danaidae). Journal of the Lepidopterists' Society 35(3): 216 225, 4 figs., 2 tabs. (28 April) [Mexico]

1987. The location of monarch butterfly (Danaus plexippus L.) overwintering colonies in Mexico in relation to topography and climate. Journal of the Lepidopterists' Society 40(3): 164 187, 6 figs., 1 tab. (23 January)

Calvert, William H., Lincoln Pierson Brower and Robert O. Lawton

1992. Mass flight response of overwintering monarch butter­flies (Nymphalidae) to cloud-induced changes in solar radiation intensity in Mexico. Journal of the Lepidopterists' Society 46(2): 97-105, 2 figs., 1 tab. (20 August) [Danaus plexippus (Linnaeus)]

Calvert, William H., and James A. Cohen

1983. The adaptive significance of crawling up onto foliage for the survival of grounded overwintering monarch butterflies (Danaus plexippus) in Mexico. Ecological Entomology 8(4): 471 474, 2 figs. (November)