Pear rust mite
What is pear rust mite? The pear rust mite (Epitrimerus pyri) is a microscopic, elongated, wedge-shaped eriophyid mite that feeds on leaves, shoots, and developing fruit in pear orchards. Unlike common spider mites , individual rust mites are completely invisible to the naked eye. While small populations cause negligible stress, heavy infestations under warm, dry weather favors population growth and can lead to severe fruit russeting and leaf