Posts Tagged: sulphur butterly

Seeing Yellow: Why? Outbreak of Alfalfa Butterflies

If you've been driving near alfalfa fields in Yolo County and other Central California counties lately, you've probably noticed them. Splat! Splat!...

Alfalfa butterfly trapped in a spider web and doused by a sprinkler. (Photo by Kathy Keatley Garvey)

Alfalfa butterfly trapped in a spider web and doused by a sprinkler. (Photo by Kathy Keatley Garvey)

Alfalfa butterfly nectaring on a Mexican sunflower (Tithonia). (Photo by Kathy Keatley Garvey)

Alfalfa butterfly nectaring on a Mexican sunflower (Tithonia). (Photo by Kathy Keatley Garvey)

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