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Several species of flea beetles occur in
Arizona. The adults are tiny beetles ranging from 1/16 to
1/4 inch long and are various colors, including black,
greenish or bluish black, green or yellow. They have
enlarged hind legs which enable them to jump like fleas.
Larvae are slender white wormlike creatures that usually
feed on roots and stems underground.
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One species attacks young vegetables,
particularly broccoli, cabbage and cauliflower
relatives but also feeding on the leaves of
potato, young corn, carrot, bean and other
related vegetables. Another species attacks
Mexican primrose and grapes, giving them a
tattered appearance. Another brownish-black
species attacks Dichondra lawns.
MANAGEMENT:
Because of their ability to jump quickly away
from the plant, flea beetles are difficult to
control. Dust young plants with carbaryl. An
alternative is to spray the plants with the
fungus Naturalis-O. Always read and follow the
instructions on the insecticide label.
Fortunately, as plants age they become much less
susceptible to damage. |
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