Brown Spots On House Siding

We have a problem with our siding on front and back of our 2 story home.

Brown spots on house siding.

They have very long antennae and their bodies grow between 1 2 to 1 1 2 inches long. Algae may also look black or brown as may some molds. I e not entire house. The photo at above left shows green algae on vinyl siding.

If you notice lots of tiny black or dark brown spots developing on your siding above a landscaped area of your yard as seen below it is most likely artillery otherwise known as shotgun fungus. Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore. Artillery fungus is a wood dwelling fungus commonly found in mulch. This may be where it s stemming from in your yard as you mention that the fungus seems to be limited to growing on the siding closest to your mulch beds.

This fungus can grow on multiple surfaces including wood siding fences decks and cars. The brown recluse likes to hang out in undisturbed corners of homes in sheds and in basements or cellars. Where you ll find them. The dark spots are indeed spores but they do not come from your oak trees.

They are the reproductive structures produced by artillery fungus sphaerobolus stellatus one of several fungi common on wood mulches used around plantings in home and commercial landscapes. Artillery fungus is difficult to get rid of because of its sticky properties. Many bites occur because the spider is hiding in folded towels. We have thousands of tiny black spots pin head size all over the siding of our house.

What it looks like. Some tell us it s from spiders. These crickets are light brown tan and dark brown with a humped back. This mostly happens during cool rainy spring and fall seasons especially in shady areas so you re most likely to find it on the darker north side of your house.