Montana Spiders: Montana has three common
types of spiders that are venomous but only one
is considered aggressive. Montana spiders
are docile and pose very little risk to humans.
Here are a the names of the common spiders found
in Montana. They are the Northern Black
Widow, Western Black Widow, Wolf
Spider, Orb-Weaver Spiders and the
Aggressive House Spider or Hobo Spider
to name a few.
Black Widow is
venomous but is a non-aggressive spider and will
rarely bite a human unless threatened.
Outdoors, they are found
in old stumps, hollow logs, under fallen fence
posts, in abandoned animal burrows or piles of
brush, and in the corners of sheds and
The Western Black Widow
recognizable by the
hourglass-shaped marking underneath the abdomen,
but the hourglass is more visible and complete
than the marking on the Northern Black Widow.
can be found throughout Montana. They are among
the largest spiders found in Montana and can be
aggressive. Wolf spiders do not spin webs. In
autumn, if they cannot find food, they will
often move into houses. The female carries the
eggs in her spinnerets until they hatch, and
after they emerge she carries the baby spiders
on her back.
are common in the late summer and fall.
Orb-weavers are large at 1/2 to 1 inch long.
Their markings are generally black, white,
orange and/or yellow. Their webs are quite large
yet take less than an hour to build. The
orb-weavers construct a central hub and then
weave spokes radiating out from that point.
House Spider or Hobo
is the most
common spider found in buildings. As its name
implies, the aggressive house spider will bite
with no apparent reason and will attack when it
Spiders like to hide their webs in small, dark
spaces, so house spiders may be found in shoes
or clothes that are left lying on the floor.
Other places to be cautious of are piles of
firewood or boxes of things that have been
If you don't see your Montana
spider on this page, please let us know so that
we can help you identify your spider species.
We are very confident that the
ET Pest Control
with its High Impact Repelling, will demand your
Montana Spider Problem to leave your home with
We have created this page to help you identify
your Montana Spider Control Problem.