Allium Leafminer by Photo by Sven Spichiger, Pennsylvania Department of Agriculture September 21, 2016 3072 × 2048 Allium Leafminer | Phytomyza gymnostoma Loew Adult Allium Leafminer Source URL: http://www.agriculture.pa.gov/Protect/PlantIndustry/Pages/ALLIUM-LEAFMINER.aspx Pest Alert by Penn State: http://ento.psu.edu/extension/vegetables/pest-alert-allium-leafminer