Sonja J. Scheffer

USDA, Systematic Entomology Laboratory (SEL)
Bld. 005, Rm. 137, BARC-W, USDA
10300 Baltimore Ave
Beltsville, MD
USA 20705
Email: sscheffe@sel.barc.usda.gov

Papers:
0511 Genetic evidence for host race formation in the leafmining fly, Phytomyza glabricola (Diptera: Agromyzidae)