This is a female apple maggot fly (Rhagoletis pomonella) on the surface of an apple. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

https://doi.org/10.2307/3495814 • https://www.jstor.org/stable/3495814 Two traps, designed to kill with pesticide instead of a sticky coating, were evaluated for ...