EXCERPT: The early predator gets the psylla. Deraeocoris has become the superstar of pear psylla natural enemies, partly ...

If you find sticky, amber-colored droplets on your pear tree, your tree could be infected with fire pear blight, a bacterial disease caused by Erwinia amylovora. Unfortunately, this pathogen can ...

PULLMAN, Wash. — Dowen Jocson is using vibrations to disrupt pear psylla pests as they attempt to mate. The insects, which damage pear trees by sucking their sap and destroying their leaves, ...

The Bradford pear after an ice storm. The best treatment for these ornamental trees? Eradicate them. The trees are spreading and killing much-needed native species. Johnson County Extension Once the ...