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These are the signs and symptoms to look for when trying to determine if South American palm weevil is causing your palm tree decline. Accumulated frass (insect excrement) at frond bases. Pupal cases on the ground near the tree. Holes and tunneling at the base of the palm fronds.
Date Palms of Coachella Valley, CA The South American palm weevil (SAPW), Rhynchophorus palmarum, was found infesting Canary Island date palms (CIDP) in Tijuana, Mexico in 2010.
Canary Island Date Palm in decline Palm trees are an iconic part of the Southern California native and maintained landscape. Unfortunately, many of the palm trees we know and love are a food source for the South American palm weevil (Rhynchophorus palmarum).
South American palm weevils are attacking palm tree species found throughout Southern California on private properties, municipal, county, state, federal public lands, and tribal lands.
How can I report infestations of South American Palm Weevil? Researchers are collecting information on new SAPW infestations. Let them know if you find SAPW on your property by clicking the button below and following the instructions on the page.
If SAPW is found on your property, you have several management options. The spread of this pest can be delayed with the fast detection and removal of infested trees.
Find A Licensed or Certified Pest Control Professional Disclaimer: These tips do not constitute an endorsement or recommendation of any company on the list.
USDA Publications Anon. 2012. Rhynchophorus palmarum. USDA Factsheet. Bech, R. (2011) Detection of South American palm weevil (Rhynchophorus palmarum) in California. El-Lissy, O. (2012) Detection of South American palm weevil (Rhynchophorus palmarum) in Texas. El-Lissy, O.
Mark Hoddle, CISR Director Mark.hoddle@ucr.edu (951) 827-4714 9335 Hazard Way, Suite 201 San Diego, CA 92123 (858) 822-7711 Jan Gonzales, Program Coordinator jggonzales@ucanr.edu (858) 822-7718 Stacy Hishinuma, Entomologist shishinuma@fs.fed.us (909) 382-2620 Dr. Amy Roda, Entomologist amy.L.
