triorla interrupta robber fly perched on dried vegetation waiting for a prey item in eastern colorado

2025 abdominal animal areas asilidae background black body brown bug carnivore close closeup colorado compound detail detailed diptera distinctive dried eastern entomology eye eyes family flies fly grassy gray hairy insect interrupta invertebrate item large life local macro nature nobody pattern perched predator predatory prey proboscis range robber scientific segments side southern species triorla vegetation view waiting wildlife wing