Utah State University Extension
Flea beetles are common and problematic in Utah. They are present in late spring and early summer on many vegetable crops and ornamental plants. Adult flea beetles are small, shiny insects that have enlarged hind legs, allowing them to jump great distances when disturbed.
Bunn, Bonnie; Alston, Diane; and Murray, Marion, "Flea Beetles on Vegetables" (2015). All Current Publications. Paper 903.