Chapter 17 Pt 1

Organs or cause severe skin lesions found in south

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Unformatted text preview: thropoda - Insects •  Diptera –  Flies often parasitic as larvae or as adults, not both –  Adults may feed on blood, sweat, other secretions –  Culicidae (mosquitoes)– Vectors of: •  Heartworm disease •  Viral disease •  Allergies –  Sand flies- Vectors of: •  Leishmaniasis- protozoa that can migrate through organs or cause severe skin lesions (found in south Texas and tropical regions) Arthropoda - Insects •  Diptera –  Stable flies and black flies •  Sharp biting mouthparts •  Feed on ears, face, legs, ventral abdomen –  Fly larvae •  Flies lay eggs on skin of animal with wounds or soaked in urine •  Larvae feed on diseased skin •  “Fly strike” Arthropoda - Insects •  Diptera –  Cuterebra •  Beetle-like insects that deposit eggs near burrows of rodents and rabbits •  Larvae penetrate into tissue of an animal and create wound Arthropoda - Insects •  Phthiraptera –  Lice •  Small, wingless insects that are highly species specific •...
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