Exterminators in Plattsburgh NY. How to get rid of Bees, Wasps, Hornets, Yellwo Jackets, Carpenteer Bees. Many different species of wasps exist. Nesting sites can be found anywhere from the attic to in the ground. Colony sizes can range from 75 – 5,000 workers depending the the species. Large nesting sites are usually found in late summer. Treatment at times can be very tricky, especially a nest located inside a wall or ceiling. We receive a lot of calls from people telling us they have a wet spot on the ceiling. Yellow Jackets are capable of actually chewing through the sheet rock as they look to expand the nest. Entry points should NOT be plugged up, this will actually drive the insect inside. Special products, equipment and safety gear is required to provide the best results.