He said that gypsy moth larvae essentially “melt” when infected by NPV. I wasn’t taking copious notes, but I did write the word “melt” on my yellow pad. I also wrote, quoting him: “Epizootics tend to occur in very dense populations.” After a few other general comments, Greg Dwyer went on to discuss some mathematical models. At the coffee break, I buttonholed him and asked if we could talk sometime about the fate of moths and the prospect of human pandemic disease. He said sure.