Tag Archives: cockroach parasitoid

Ensign wasps…they’re the good guys (actually, girls)

Have you seen an insect in your house that kind-of looks like a fly, but not exactly?  It will be black in color, but the stunning and key feature is the abdomen; it comes off the top of the abdomen and looks similar to a triangular flag. I know of many people who have asked me about this “weird house fly” and when I tell them they shouldn’t squish they look at me like I’m crazy.  These “weird house flies” are ensign wasps and they help to manage… Read More →