Also known as assassin flies for reasons justified – They have strong spiny legs which help them grab their prey. Their huge compound eyes help them detect movements quickly.
Robber flies are known for their notoriously aggressive predatory habits. Images attached show a classic still ambush stance and the other with a prey.
Want to know more? Read on:
The get the name ‘Robber’ because of their predatory habits. They are known to wait in ambush and catch their prey in flight. They could feast on almost anything that they can overpower, their diet largely includes other insects and do not hesitate to be cannibalistic feeding on other robber flies.
It is fascinating to know, belonging to family called ‘Asilidae’, which include around 7000 described species worldwide. Also, that they are found almost all across the world except Antarctic.
A little more research revealed this ‘master assasin’ fly attacks its prey by stabbing it with its short, strong proboscis injecting the victim with saliva containing neurotoxic and proteolytic enzymes which very rapidly paralyze the victim and soon digest the insides; the fly then sucks the liquefied material through the proboscis. Under 1.5 cms in actual body length, imagine what this aggressive predator of the insect world is capable off.