- Author: Brad Hanson
Well ok, it was actually the summer newsletter from the Western Society of Weed Science but it had an article about biological control agents on houndstongue (Cynoglossum officiniale).
The article, entitled "Houndstongue Biological Control: Status Report" was written by Carol Randall from the USDA Forest Service. You can find the article at this LINK and scroll down to page 11 for Carol's summary about:
- Mogulones crucifer - Houndstongue Root-Feeding Weevil
- Mogulones borraginis- Houndstongue Seed-Feeding Weevil
- Native Gnophaela species - Police Car Moth
For more California-centric information about houndstongue, you can check this excerpt from the Weed Research and Information Center's "Weed Control in Natural Areas in the Western United States - DiTomaso et al."
If you're an outdoors person (or dog owner) you might recognize the burs even if you don't recognize the plant. I've certainly collected more than my share of them in socks, shoelaces, and retriever fur...