Montana Black Widow Spider

It is important to remember that spiders seen in montana are not bound by the territorial lines decided on by humans therefore their distribution is subject to change.

Montana black widow spider. Common spiders in montana. Western black widow latrodectus hesperus. Steatoda triangulosa triangulate cobweb spider. Montana natural heritage program.

Of the poisonous spiders the black widow is common though another deadly species the brown recluse does not thrive here. October 7 2014 the only truly poisonous spiders in montana are the black widow species both very docile and non aggressive unless the female is protecting the egg sac. Acanthepeira stellata starbellied orb weaver. One of only two poisonous spiders found in montana the black widow is generally not aggressive unless the female is protecting her eggs.

However such general common names are of limited use as the diversity of species is much greater. On the underside of their abdomens is an orange or reddish hourglass marking. Retrieved on august 12 2020. Spiders found in montana include 9 unique species from confirmed sightings by contributing members of spider id.

Black widows are comb footed spiders which means they. The steatoda grossa commonly called the false black widow spider or cupboard spider can be found throughout the united states. 3 black widow kimberly hosey getty images what they look like. The spider s name comes from the female s unpleasant tendency to dine on the male after mating.

Certain house spiders of the wolf and jumping family are also indigenous to montana. Black widows have a shiny black color and are known for their red hourglass shaped marking on the underside of the abdomen says potzler. Black widow spiders also use their webs to ensnare their prey which consists of flies mosquitoes grasshoppers beetles and caterpillars. Montana has about 9 to 10 species of spiders belonging to a host of different families.

Montana black widow spider watch by angelamontana. Montana spider identification and management natural heritage mapviewer statewide database of animal observations spider resources from university of nebraska lincoln.