Mating of Signal Flies
The Signal Flies are usually found on tree trunks or on leaves where may be a place for courtship. Sometimes a small group of them can be found at one point. While walking on those surface, Signal Flies exhibit a characteristic manner of movement, something like dancing in our human eyes. Those movements include rowing or extend of wings, waving of front pair of legs, move forwards and backwards, extend and raise of proboscis.
অরুনাভ দে, India, BERHAMPORE