In many areas of Greater Los Angeles subterranean termites started swarming. If you see flying small black termites with gray wings bigger than thorax and equal size, there is no need to get upset and think it will need a speedy remedy. You can clean them by spraying with Windex or even water. As a rule, swarming termites are a sign of termite infestation on the structure. This means that they may be eating and damaging the structure. We offer free complete termite and other wood destroying organisms inspections There may be other issues too.