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Showing posts with the label aggressive mimicry

Bumble Bee Mimic Robber Flies

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Here are a couple Bumble Bee Mimic Robber Flies I ran across a couple months ago. And while it may look like they had an argument and are disdainfully looking away from each other, they're actually mating. Although there could be exceptions, in general I believe flies (including robber flies), butterflies/moths, and true bugs tend to mate with the ends of their abdomens connecting, while with beetles, mantises, and grasshoppers the males mount the females. (Yes, I've seen a fair amount of "insect porn" out there - these guys are shameless.) These flies are a little unpopular in some circles because: We've been told we need to protect bees. These robber flies actually eat bees. (I suspect they'll eat bee relatives we tend to feel less empathy for, like wasps/hornets, unless the wasps/hornets are substantially bigger than our bees.) Note that I don't see enough robber flies that I believe they're having much of an effect on bee populations. My guess is ...