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Cicadas - Tibicen dorsata: Dog day cicada; Platypedia putnam: Putnam's cicada   Herbert A. "Joe" Pase III, Texas Forest Service, www.forestryimages.org  HOSTS: Dog-day
cicada: Boxelder
and cottonwood;Putnam's cicada: Crabapple, maple, mountain ash, oak, pear. DESCRIPTION:
Large,
dark-colored insects ranging from 1/2 inches in length, with bulging
eyes and membranous wings folded tentlike over the body. Nymphs are
brown and have stout bodies. LIFE
CYCLE: The
entire immature stage occurs underground. When full grown, nymphs
emerge from the soil, crawl onto the lower portion of trees and cast
off their nymphal skins. From late spring through mid-summer, adults
are present. Males produce a clicking sound to attract females. After
mating, females lay eggs into the twigs of various host trees. After
hatching, nymphs drop to the ground and burrow into the soil where they
spend the next 2-5 years feeding on the roots of the host plant. CONTROLS:
None
necessary. |
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