Are mason wasps dangerous?
Also asked, are four toothed mason wasps aggressive?
Black wasp with white ring around its abdomen, a white spot on its thorax, and white spots on its "shoulders". The male has a white spot on its face, the female does not. Both can sting but they are not aggressive and sting only if threatened.
Hereof, how do you get rid of Mason Wasps?
If they are using holes created by another species, you can use wood filler to fill the holes after scraping out any mud or debris that they have put in there. 3. Any OTC wasp and bee spray will kill them, but we never advocate for the use of pesticides, especially when a beneficial insect is involved.
The solitary Four-toothed Mason Wasp is a beneficial insect to have in the garden, just like its doppelganger, the Bald-faced Hornet. The Mason Wasp reduces the number of leaf-rolling caterpillars by using them as food for their newly hatched larvae.