Lec28_29_AnimalPestsA_05D - Insects as Pests of Domestic...

Insects as Pests of
Domestic Animals
(Part A)
How Insects
Annoy Pets,
Irritate Cattle,
and Reduce
Weight Gain in
Pigs
V
Take Home Message
• Insects are important pests of
wild and domesticated
animals. These pests can
transmit diseases, cause
economic losses, or just be
nuisances.
• Also very important in Global
Issues
National Geographic
November, 1995
Elephant eye and tear-
drinking moths V
Arthropod Pests of Animals:
Disease Transmitters
• Ceratopogonid Midges:
• Known to carry & transmit nematodes,
viruses, and protozoans.
• Culicoides spp. carry Bluetongue disease
virus to sheep. (Orbivirus sp.)
• Animals get blue tongue, sores in mouth,
bleeding, sore hooves.
• A significant problem in sheep/deer:
• 15% mortality, interruption of breeding
schedules, long convalescence, and wool
loss.
• Originally from Africa, found in U.S. in
1950’s.
• Vaccines available yet need to be
improved (live vs inactivated viruses).