There are few visual signs; the most common for a winged termite is the fallen wings. Your house will have too many fallen wings from termite. They shed the wings when they start creating sand tubes or start settling in wood. The second visual sign is they will fly near lights after sunset. You can also look for visual signs like pores in furniture or wooden articles in your house if you see any of these sign we highly recommend you to connect with our Termite Pest Control Expert and get a consultation immediately.