Bavia aericeps is the type species for Bavia. In its distribution range, from Malaysia to Australia and on several Pacific Islands, it is the most commonly found species of its genus. The cephalothorax is brown, with some white hairs and patches, a darker eye region and black eye surrounds. The long abdomen is also brown, with dark brown patches and small white dots running along its length in males, and a broad median yellow stripe in females. The slender legs are yellowish-brown with dark brown femora, with the exception of the first pair, which is long, robust, and held in a way resembling a scorpion.
This specimen was collected while eating a Sparrasid. It was around 15mm body length.