Robert Michael Pyle
Robert Michael Pyle (born 19 July 1947) is an American lepidopterist, writer, teacher, and founder of the Xerces Society for Invertebrate Conservation. Much of his life story is told in the 2020 feature film ''The Dark Divide'', where Pyle is played by David Cross. Provided by Wikipedia-
by Pyle, Robert Michael
Published 1995 -
The butterflies of Cascadiaa field guide to all the species of Washington Oregon and surrounding territoriesBookby Pyle, Robert Michael
Published 2002 -
Watching Washington butterflies;an interpretive guide to the State's 134 species including most of the butterflies of Oregon Idaho and British ColumbiaBookby Pyle, Robert Michael
Published 1974