If the idea of vampire bugs wasn’t frightening enough, how about vampire bugs which are immune to fire, silver and garlic?

That’s the story Bug Girl tells in her latest installment, “DDT, Junk Science, Malaria, and insecticide resistance.” It’s a clear display of Darwin at work, which anybody who has experienced a midsummer night in Alabama can appreciate.

This installment follows last week’s piece, which debunked the recent attacks on Rachel Carson.