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Yellow sac spider
The Yellow sac spider
(Cheiracanthium inclusum) is
not a true sac spider but a
long-legged sac spider. It
is one of a handful of
spiders in North America
whose bites are generally
considered to be medically
... > full story
Brown recluse spider
The brown recluse spider is
a venomous spider,
Loxosceles reclusa. It is
usually between 1/4 and 3/4
inch (6.4-19.1mm) but may
grow larger. It is brown and
usually has markings on the
dorsal side of its thorax,
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Hobo spider
The Hobo Spider (Tegenaria
agrestis) is a member of the
genus of spiders known
colloquially as funnel web
spiders. The spider's venom
is strong enough to cause
considerable local pain and
also to cause tissue death
... > full story
Mite
Mites, together with ticks,
belong to the subclass
Acarina (also known as
Acari) and the class
Arachnida. Mites are among
the most diverse and
successful of all the
invertebrate groups. They
... > full story
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Widow spider
The widow spiders are members of the spider genus Latrodectus, in the family Theridiidae. Latrodectus includes approximately 31 recognized venomous species, with the black widow spider (Latrodectus ... > more -
Black widow spider
The black widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom. It is a large widow spider found throughout the world and commonly associated with urban habitats or ... > more -
Lyme Disease
Healthy Aging
Spiders and Ticks
Attention Deficit Disorder
Diseases and Conditions
Infectious Diseases
Rocky Mountain spotted fever
Rocky Mountain spotted fever is the most severe and most frequently reported rickettsial illness in the United States, and has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain ... > more
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