That s the sound of your siding being destroyed.
Black insects under siding.
Dirt and insect secretion stains however can adhere to vinyl siding attracting molds mildews and algae.
Or try this remedy from garden writers association hall of famers doc and katy abraham authors of the green thumb garden handbook.
However you don t have to passively accept whatever damage these invaders wreak on your home.
Introduce predatory insects that feed on spider mites such as lady beetles praying mantises and assassin bugs.
Mix 1 2 cup buttermilk and 4 cups of wheat flour with 5 gallons of water.
This is the spot i ll dust most often for pests like scorpions or occasional roaches for ants i most often use a non repellant spray such as arilon termidor or other and don t even worry about getting a product up and under.
Vinyl siding is very popular due to its durability and simple maintenance.
These bugs are shaped a bit like a stink bug and grow up to 3 4 inch long.
Insect stains and other debris can be removed by simply cleaning vinyl siding with household cleaners.
What it looks like.