Milbert’s Proctacanthus (Robber Fly)

I have a special love for this family of flies, who are all voracious, energetic predators (both as larvae and adults) and who all look like grumpy Muppet hobos. Robber flies in general tend to be large, with long legs, a long, tapered abdomen and a big, fluffy “beard” obscuring some pretty serious mouthparts. They…