Bug Squad

In case you missed it, today was National Pumpkin Day. But it ought to be National Squash Bee Day, because the squash bee (my favorite species is Peponapis pruinosa) is an important pollinator of squash and pumpkins. A little bit about the squash bees: Squash bees are specialists; not generalists.

So tiny and so destructive. It's about the size of a grain of rice but it's a killer. That's the walnut twig beetle, Pityophthorus juglandis, which in association with a newly described fungus, Geosmithia morbida, causes thousand cankers disease, wreaking havoc on native black walnut trees.

What an interesting and innovative title: "The Ecoinformatics and the Curious Case of Katydids in California Citrus." That's what postdoctoral scholar Bodil Cass of the Jay Rosenheim lab, University of California, Davis, will discuss at her seminar from 4:10 to 5 p.m., Wednesday, Oct.

You can't get any more Halloween than a bold (daring) jumping spider with orange spots! This common North American spider was hanging out yesterday on our showy milkweed, Asclepias speciosa, trying to look like a spectator instead of a predator.

"Biomedical science was not always the hypercompetitive rat race that is has become in recent years. Consider the story of Charles Darwin, as he developed his theory of evolution through natural selection. That discovery became the organizing principle of biology.