Wednesday, July 10, 2013

Black Widow Spider


Class
Arachnida
Order
Araneae
Family
Theridiidae
Genus
Latrodectus
Range
Common in the tropics and parts of North and South America.
Habitat
Dark, protected crevices.
Size
Females grow to 1.2 cm (0.5 in); males are smaller, with longer legs in proportion to their body.
Feeding Habits
Black widow spiders are carnivores; they feed on insects they catch in their webs.
Offspring
The female spider deposits up to 750 eggs in an egg sac. The eggs hatch after two to four weeks.
Life Span
About one to two years.
Did You Know
Black widows prefer to stay away from people—they only bite in defense.

The black widow is the most poisonous spider in the United States.

Only female black widows are dangerous to people.

Contrary to popular belief, the female black widow spider usually does not kill her partner after mating.

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