Nature in L.A.

Showing posts with label : pepsis wasp

January 4, 2013

Twelve Days of Christmas 2012

Since tomorrow is the twelfth day of Christmas, I thought I'd give you your belated gifts. Of course they're all part of L.A.'s surprising biodiversity, yes even those turtle wasps!

Twelve weevils wandering

Eleven pepsis wasps piping



Ten spiders-a-leaping









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...