To the biology of celery fly Euleia heraclei (Linnaeus, 1758) (Diptera: Tephritidae) - pest of alien Apiaceae species in Moscow Region.
Biology of celery fly Euleia heraclei (Linnaeus, 1758) (Diptera, Tephritidae) was studied in Moscow Region. In spring larvae damage leaves of Apiaceae plants of the second - year vegetation, in the end of summer and in autumn - leaves of young plants. In spite of the increase of the duration of warm season the fly develops in 2 generations under natural conditions. Serious injury caused by celery larvae is registered according to grown seedlings of Heracleum sosnowskyi Mandenova in autumn.