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Household Insects
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Fleas
by Dennis M. Ferraro Extension Educator Douglas/Sarpy Extension Unit
Most fleas found on dogs, humans or in yards are cat fleas, a very
common insect in eastern Nebraska. Adults are 1/12 to 1/8 inch long,
flat from side to side, hard bodied and usually dark brown. Fleas
are wingless and jump from place to place. They prefer warm moist
conditions.
Adult fleas use their piercing-sucking mouth parts to penetrate skin
and feed on blood. They prefer biting warm-blooded furred animals,
but will also feed on humans. They bite legs, ankles and arms where
clothing is snug against the skin. The bite shows as a small red
spot with one pierce mark.
If fleas infests your home, you must treat the entire dwelling. Flea
eggs and larvae will be in the carpet, and vacuuming will eliminate
many of them. After vacuuming, apply a pesticide that contains a
flea growth regulator such as Precor to the carpet and floor. Follow
all label directions.
Spraying yards for fleas is usually not very effective. Concentrate
on controlling them in the home and on pets. Flea growth regulators
work for about four months indoors. Always have pets properly
treated. There is an insect growth regulator which can be applied
directly to pets. Consult a veterinarian about this product.
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