Strange Flying Bug in Yard
Mon, Jun 22, 2009 at 9:16 AM
Flying insect. Looks like it is laying eggs. Fly type body, wasp like wings, has design on body like bee. Looked like a giant mosquito to me. Made deep buzzing sound as a warning when I got too close. Never saw one before.
the bug guy
Dear bug guy,
This is a Robber Fly, and we believe it is in the genus Efferia. There is a photo of Efferia rapax posted to BugGuide with numerous comments. That photo looks very similar to your specimen, and it is also from Arizona. It would really take someone far more qualified than we are to properly identify what species of Robber Fly you have.