Nature in L.A.

Showing posts with label : tarantulas

October 31, 2012

Psycho Spider Killer: What is It?

I've been waiting an entire month to write this post, and maybe my entire life to entomologically riff off a Talking Heads song title! On Monday, October 1, I found a large tarantula hawk wasp (a.k.a Pepsis wasp) on some flowering Baccharis in the North Campus. This blue wasp with orange wings was the first of its kind spotted in our new gardens, and is indeed a spider killer.

Tarantula Hawk on Baccharis

This is what Insects of the Los Angeles Basin has to say about tarantula hawks preying on spiders:

"When a female wasp finds a...