A survey of the distribution of Drosophila species in five collecting areas and preliminary observations of their activity cycle was undertaken. All specimens were preserved to be keyed later.
"A Survey of the Distribution and Activity of Drosophila,"
Jackson Hole Research Station Annual Report: Vol. 1970
, Article 24.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1970/iss1/24