This is female Giant Robber Fly (Promachus hinei). As you can see from the photographs below, even a stinging Paper Wasp is no match for these mighty insect hunters.

Robber Fly - Mighty Hunter

Robber Fly - Mighty Hunter

Robber Fly - Mighty Hunter

Robber Fly - Mighty Hunter

Observation Details

County Denton Lewisville - LLELA
City Lewisville
Date Jul 21, 2013
Time of Day Morning
Temperature Hot (greater than 89°F/32°C)
Weather Clear
Habitat Undeveloped-Wooded
Type of Behavior Feeding
Gender Female
Maturity Adult
Observer Chris Jackson
Main Article Robber Fly Observation Location