Animal World

Arthropods: Crustaceans, Insects, and Spiders

What arthropods are of medical importance in the United States?

Just one in 30 million lobsters is blue. Other mutant colors include yellow and orange. Strangely colored lobsters are mutations of the brown lobster.

Arthropod Effect on Human Health
Black widow spider (Latrodectus mactans) Venomous bite
Brown recluse or violin spider (Loxosceles reclusa) Venomous bite
Scorpion (Centruroides exilicauda) Venomous bite
Chiggers (Trombiculid mites) Dermatitis
Itch mite (Sarcoptes scabiei) Scabies
Deer tick (Ixodes dammini) Bite transmits Lyme disease
Dog tick, wood tick (Dermacentor species) Bite transmits Rocky Mountain spotted fever
Mosquitoes Bite transmits disease (West Nile virus, encephalitis, filarial worms)
Horseflies, deerflies Female has painful bite
Houseflies Many transmit bacteria and viruses
Fleas Dermatitis
Bees, wasps, ants Venomous stings (single stings not dangerous unless person is allergic)


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