The world is full of robber flies—approximately 7,000 species have been recognized worldwide and 1,000 are native to North America A robber fly perched on a flat piece of sandstone in the red rock ...

The eyes are falsely colored and the head sizes are not to scale — in reality, the dragonfly dwarfs the other two species in size. This slide shows one of the eyes of the robber fly Holcocephala ...

The robber fly Holcocephala is a relatively small fly - at 6mm in length, it is similar in size of the average mosquito. Yet it has the ability to spot and catch prey more than half a metre away ...

ROBBER FLY! Hanging thief! Bee Killer! Assassin! Just how bad can a fly be to have such unflattering names? The fly in the photo peering into Catherine Miller’s Kempsville home and into her ...

When the saffron robber flies were shown an LED light flashing at various frequencies, they only took off after the ones that flashed at the same frequency as beetle wings. "This species ...

Robber fly, waiting for take-out to fly by ... that something so tiny can create such prominent symptoms. Though a few species prefer the cooler days of spring and autumn, most thrive in summer ...

There are nearly 7,000 different species of robber flies in the world — about 1,000 in North America alone. And while they all have perfected the art of killing, at least a few species of robber flies ...

Robber flies have been seen snatching a spider ... Not so for the Microphorus crassipes. This fly species sees a spider's larder as a golden opportunity. Indeed, it gets most of its food by ...

Some species require a butterfly lover (aka lepidopterist ... We saw small beetles and elegant solitary wasps on blooming wildflowers. A robber fly, a member of a family known as assassin flies ...

Robber flies have been seen snatching a spider ... Not so for the Microphorus crassipes. This fly species sees a spider's larder as a golden opportunity. Indeed, it gets most of its food by ...