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Photo Gallery: Critters of Medical and Veterinary Significance
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American Cockroach (female)
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American Cockroach (female)
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Egg Case (Ootheca) from an American Cockroach
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American Cockroaches
(Male versus Female)
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Bald-faced Hornets (guarding their nest)
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Bald-faced Hornet (closer view)
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Bed Bug (adult)
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Size Comparisons: Adult Bed Bug (Left), Bed Bug Nymph (Middle), and Sesame Seed (Right)
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(additional example) Bed Bug (adult)
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(additional example) Bed Bug (adult)
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Female Deer Ticks — adult (left) and a nymph (right); female deer ticks–adults as well as nymphs–are capable of spreading Lyme disease. (see also Tick Photos)
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Deer Tick and Dog Tick (side-by-side comparison) (both are non-engorged / have not fed; both are females) (see also Tick Photos)
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Engorged Ticks (Deer Tick versus Dog Tick) (see also Tick Photos)
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Dog Tick (engorged female) (see also Tick Photos)
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Woodchuck Ticks (see also Tick Photos)
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Black Flies (their larvae are aquatic)
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Deer Fly (their larvae are aquatic)
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Deer Flies (additional examples)
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Fleas (Cat Flea shown here)
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Cat Flea bites on a child’s feet and legs
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German cockroach (female) (Blattella germanica)
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Head Lice
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Head Louse
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Horse Fly
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Horse Fly
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Horse Flies (additional examples)
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Mosquito larvae
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Mosquito Larvae
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Mosquito
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Mosquito (Ochlerotatus canadensis)
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Guinea Paper Wasps (Polistes exclamans)
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Golden Paper Wasp (also known as Northern Paper Wasp)
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Spiders
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Dangerous spiders are non-native / rarely found in Maine. Visit our Spiders page for more information.
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Example of a Spider Beetle (Spider Beetles are small beetles that superficially resemble spiders but are harmless)
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Stable Fly
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Ticks (ticks are often found indoors after hitching a ride on a person or a family pet)
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Tussock Caterpillars (their prickly hairs can cause an itchy skin rash)
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Hickory Tussock (the hairs on many tussock caterpillars can cause an itchy rash)
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Common Aerial Yellowjacket
Additional Photos and Information:
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