Colony roles
Workers, soldiers and reproductives perform different functions and may not all be visible at a finding.
Learn the colony before naming a species
Termite species and biology
Termites are social insects with specialised colony roles; reliable species identification may require more than a photograph of damaged timber.
Swarming
Winged reproductives leave established colonies; their presence does not by itself map a building infestation.
What termites eat
Termites digest cellulose-based material; concrete itself is not their food.
Local species
I don't publish a definitive local species list. Identifying a species properly needs a specimen in hand, not a guess from a photo.