Down here they eat mosquitos at night,and early am,scary though when they zip bye.In Key West Fl. early days bat houses were built for the skeeters,then came the vampire scare,air conditioning,We gets baby’s fall down,wife takes them to David Frost Mesuem raptor plus drop off 24 hour on site facility.
https://en.m.wikipedia.org/wiki/Sugarloaf_Key_Bat_Tower
https://www.frostscience.org/