So Cal Alert: Polyphagus Shot Hole Borer
...treating our own trees to prevent further loss. We don’t want to lose our native trees to this. We don’t want to see this disease spread to the rest of the country. Polyphagus means “eats everything” and accordingly this beetle doesn’t seem all that picky about which trees it infests. The following list (via UC Riverside’s Eskalen Labs) of know hosts keeps growing: Known Suitable Reproductive Host Trees: 1. Box elder (Acer negundo)* 2. Big leaf m...
