Large spider infestation in my mango, avacado and ornamental trees.
I live in Tampa and this yr we have had a horrible midge/mayfly hatch. They are so thick you can't mow the lawn some days. Well the spiders have arrived to feast on all of these bugs. They look like Sac spiders with some Black Widows mixed in. My house, trees ,boat and dock look like something from a horror movie. I was wondering what I could spray to **KILL** the spiders in my trees. AI said I could use Natural Pyrethrin Concentrate to **KILL** them. I'm not a fan of poisons but this has to be done as they are multiplying by the day to the point it isn't safe. I have tried peppermint oil and vinegar solutions on my dock and boat with no change what so ever.