October 31, 2012
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 tarantula, she alights and engages it in battle. The wasp then stings the spider on the underside between the legs and usually succeeds in paralyzing but not killing it....
Posted by Lila Higgins at 10:36 PM | 0 COMMENTS