Instar Susceptibility of the Monarch Butterfly (Danaus plexippus) to the Neogregarine Parasite, Ophryocystis elektroscirrha (with Michael A. Yoshimura, H. K. Kaya, and H. Williams), Journal of Invertebrate Pathology (1997)
The susceptibility of the monarch butterfly (Danaus plexippus) larvae to the neogregarine parasite, Ophryocystis elektroscirrha,...
On the Dangers of Interpopulational Transfers of Monarch Butterflies (with Lincoln P. Brower, Linda S. Fink, Andrew Van Zandt Brower, Karen Oberhauser, Sonia Altizer, Orley Taylor, Daniel Vickerman, William H. Calvert, Tonya Van Hook, Alfonso Alonso-Mejia, Stephen B. Malcolm, Denis F. Owen, and Myron P. Zalucki), BioScience (1995)
Reply to Nylin, Wickman & Wiklund Regarding Sex Ratios of California Overwintering Monarch Butterflies (with Dennis F. Frey), Animal Behaviour (1995)
Can Microhabitat Selection or Differences in 'Catchability' Explain Male-Biased Sex Ratios in Overwintering Populations of Monarch Butterflies? (with Dennis F. Frey), Animal Behaviour (1993)
The Occurrence and Effect of a Protozoan Parasite, Ophryocystis elektroscirrha (Neogregarinida: Ophryocystidae) on Overwintering Monarch Butterflies, Danaus Plexippus (Lepidoptera: Danaidae) from Two California Winter Sites (with H. K. Kaya, Michael A. Yoshimura, and Dennis F. Frey), Ecological Entomology (1992)
1. Monarch butterflies, Danaus plexippus, from two overwintering populations, were found to have Ophryocystis elektroscirrha...
Semi-Artificial Monarch Butterfly Larval Diet, United States Patent Number: 6,180,147 B1 (2001)
A semi-artificial diet of monarch butterfly larva and a process for making such a diet...