Northern Common Robber Fly

The Northern common robber fly is an insect in the order of Diptera like flies and mosquitoes, so has 2 wings and 2 halteres used for stabilization. This allows it to stop and rollback really fast. It has a short proboscis with a piercing organ called hypopharynx to inject a neurotoxin to its preys. A proboscis is a part of the insect mouth which is used to suck nectar or blood and usually its shape is tubular. With its claws, it can catch and its prey. It can measure until 15mm long. It has hairy legs and wide eyes that give it a good 3D vision. The male has a bulbous genital organ at the end of the abdomen and the female has a pointed back end at the abdomen which is corresponding at the male's genital organ.

It lays eggs directly on the soil or on plants. When the larva hatches, it may live either on or in the ground. When on the ground, it feeds on rotting organic matter. There are four larval stages and one pupal stage. The full nature of their trophic regime and its mechanisms are not fully known, but all larva stages are predators same as adult stage.