Donis: I suspect you are describing the larvae of antlions, family Myrmeleontidae: http://bugguide.net/node/view/137 In North America, only the genus Myrmeleon make the funnel-shaped pits
Stefanie: Thank you for including the images. It is *not* a bed bug....or any other kind of true bug for that matter. It is a leaf beetle of some sort, family Chrysomelidae: http://bugguide.net/node/view/180
Ross, My guess is these originated from inside the house. The spraying seemed to be somewhat effective but this is not the best way to control ants that nest in homes. Baits work far better than sprays
Sorry, the photos are too grainy for me to see much. Sometimes people can catch mange from their pets. Mange is a skin condition where tiny little mites burrow into the skin and it itches. Did you go
Karen, This sounds more like a dragonfly than a wasp. Wasps do not generally fold their wings the way to describe. Dragonflies also display the "scouting" behavior you describe. You might google dragonfly