Question: I see white butterflies landing on my kale, then later green caterpillars decimate the leaves. What do I need to do to stop this from happening, since I love kale? Answer: The arrival of ...

Cruciferous plants, such as cabbage, rapeseed, horseradish or mustard, have a special defense strategy against herbivores called the "mustard oil bomb". They store glucosinolates as defensive ...

The Cabbage White (Pieris rapae) was probably the first butterfly I ever noticed, long before I learned its name. This rather nondescript insect may be among the most familiar butterflies worldwide.

File photo: This was not the “first” cabbage white butterfly (Pieris rapae) of 2023. Distinguished Professor Art Shapiro spotted two this week. (Kathy Keatley Garvey/UC Davis) In between the rain and ...

CORVALLIS — Freshly planted and carefully tended, vegetable gardens can quickly become a magnet for trouble. Problems seem to spring up overnight. Weeds, for instance, can overtake a garden in days.

The cabbage butterfly, voracious as a caterpillar, is every gardener's menace. Turns out, these lovely white or sulfur yellow butterflies started trying to take over the planet long ago. Biologists ...

We may have our Eastern Mediterranean neighbors to thank for the multivoltine species, the Pieris rapae cabbage white butterflies in our garden these days. Like the monarch butterfly, the cabbage ...

File photo: This was not the “first” cabbage white butterfly (Pieris rapae) of 2023. Distinguished Professor Art Shapiro spotted two this week. (Kathy Keatley Garvey/UC Davis) We’re looking for the ...

This guide to green caterpillars helps you easily identify the green caterpillar you've found in your yard or garden. While it's nearly impossible to include every green caterpillar species out there, ...

Researchers report that larvae of the cabbage white butterfly use two gut enzymes to effectively disarm the mustard oil bomb, the major chemical defense system of their host plants. Cabbage white ...

The countdown to New Year’s also serves as a countdown to UC Davis’ “first-of-the-year” bumblebee and cabbage white butterfly contests, the former in its third year and the latter going back 50 years.