1. Natural Hybridization and Speciation in Rhagoletis (Diptera: Tephritidae) Open Access Author: Schwarz, Dietmar Title: Natural Hybridization and Speciation in Rhagoletis (Diptera: Tephritidae) Graduate Program: Entomology Keywords: speciation via hybridization in a diploid and bisesympatric speciationintrogressive hybridizationpopulation geneticshost choice and acceptance behaviorRhagoletis pomonella species group File: Download schwarz_complete_thesis.pdf Committee Members: Bruce A Mc Pheron, Committee Chair/Co-ChairOttar N Bjornstad, Committee MemberWarren G Abrahamson Ii, Committee MemberThomas Charles Baker, Committee MemberStephen Wade Schaeffer, Committee Member