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16 Cards in this Set
- Front
- Back
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Characteristics of Arthropods |
Segmented bodies bilateral symmetry jointed appendages hard exosceleton |
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2 classes of arthropods |
Insecta (6 legs) Arachnida (8 legs) |
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Name the 3 parts of an insecta |
Head Thorax Abdomen (can change from one shape to another) |
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Complete life cycle of Insecta |
egg larvae nymph pupa adult |
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Incomplete Life cycle of insecta |
egg larvae adult |
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how do arthropods cause injury |
by sucking blood and/or invading tissue |
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"wighless siphon" reputation of claimng more victims than all the wars ever fought clinical significance: they are vectors for other parasites light brown to mahogany and oval shaped laterally flattened (enables them to quickly move through host's hair) adults entirely covered in bristles and combs sawing and sucking mouthparts well develop hind legs |
Flea (Siphonaptera) |
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usually only venture out at night or in dark rooms not natural vectors of any human diesease had adapted mouth parts find you by the CO2 you exhale |
Bed Bugs (Hemiptera)
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belong to the family of flies called Culicidae Small fragile insects hat have six delicate legs and 2 wings The head is equipped with a projecting proboscis whic conceals and protects the long piercing and sucking mouth parts female returns to water to lay each batch of eggs |
Mosquito (Diptera) |
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infestation of fly larvae treatment is to remove the burrowed larvae |
Myiasis |
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an infection caused by spirochete bacteria, Borrelia burgdorferi Transmitted by deer tick (Ixodes) Symptoms: rash, fever, muscle, joint pain, and arthritis. Not fatal disease. Treat with antibiotics |
Lyme Disease |
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cause of scabies transmitted by contact burrows in the skin on the webbing side of fingers, later spreading to wirts, elbows , and the rest of the body deposite eggs on the upper layer of skin, larvae escape the tunnel and wonder on the skin and start new burrows |
Mites |
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Characterisitcs: rash, smearing black ink on the skin and observing burrows when ink is wiped Treatment: swab the whole body with 1% malathion or benzene hexachloride Topical sterods must not be used |
Scabies |
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attach to the skin in te ankles, waistline, armpits, and periana skin from long grassy enviroment feed on partially digested cells due to reactio of their saliva with host tissue |
chiggers |
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venom is a neurotoxin can be fatal to kids painful bite, acute reaction likes lumber and old rees black with classic red hourglass on belly |
black widow |
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inflammation occurs with an hour of bite 2-3 days can start seeing necrosis that may become massive violen shape on back |
brown recluse |
