Brown Spots On House Siding

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.

Brown spots on house siding. The photo at above left shows green algae on vinyl siding. Many bites occur because the spider is hiding in folded towels. 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. We have thousands of tiny black spots pin head size all over the siding of our house.

It is occuring on first floor only same area in front as in back. Artillery fungus stops making spores when the temperature is over 78 f so you will get a break in the summer. 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. Others have said it s a fungus from mulch.

Where you ll find them. This fungus can grow on multiple surfaces including wood siding fences decks and cars. They have very long antennae and their bodies grow between 1 2 to 1 1 2 inches long. Artillery fungus is a wood dwelling fungus commonly found in mulch.

These crickets are light brown tan and dark brown with a humped back. The dark spots are indeed spores but they do not come from your oak trees. 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. Some tell us it s from spiders.

The brown recluse likes to hang out in undisturbed corners of homes in sheds and in basements or cellars. I e not entire house. 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. We have a problem with our siding on front and back of our 2 story home.