Embedded Files
Photo by Betty Cahill
FACT SHEETS and RESEARCH on JAPANESE BEETLES:
Biology and Management of the Japanese Beetle (Potter and Held 2002)
Biology of Japanese Beetle (Fleming 1972)
Characterizing Toxicity of Pelargonium spp. and Two other Reputedly Toxic Plant Species to Japanese Beetles Research on geraniums, larkspur and bottlebrush buckeye
Colorado Department of Agriculture Best Management Practices
Effectiveness of Hand Removal for Small Scale Management of Japanese Beetle 2014
Japanese Beetle Fact Sheet from Colorado State University 5.601 by Dr. Whitney Cranshaw
Japanese Beetles in the Urban Landscape Purdue Extension
Questions and Answers about Japanese Beetles from Dr. Cranshaw (very in-depth and helpful)
United States Department of Agriculture Colorado Japanese Beetle
United States Department of Agriculture Japanese Beetle
OTHER BEETLES IN COLORADO - NOT TO BE CONFUSED WITH JAPANESE BEETLES:
Bumble Flower Beetle These beetles can lay eggs in compost piles - larvae look similar to Japanese beetle larvae
LAWN INFORMATION:
Billbugs and White Grubs CSU Extension
Insect Parasitic Nematodes CSU Extension
Warm Season vs Cool Season Grasses
POLLINATOR AND BENEFICIAL INSECT INFORMATION:
Attracting Native Bees to Your Landscape
Beneficial Insects and Arthropods CSU Extension
Creating Pollinator Habitat CSU Extension
Native Bees: A Citizen Science Field Guide
Plants and Information about the Tachinid Fly - another Japanese beetle Predator Insect (good one)
The Spring Tiphia: A Natural Enemy of the Japanese Beetle
Plants to Encourage Beneficial Insects
INSECTICIDE INFORMATION:
Label Information for Toxicity
OMRI Organic Materials Review Institute
Reducing Pesticide Use and Impacts The Xerces Society
Pesticide Active Ingredient Database
Pollinator Protection Warning Label
Protecting Bees and Other Pollinators from Pesticides
DR. WHITNEY CRANSHAW AND COLORADO DEPARTMENT OF AGRICULTURE BIOLOGICAL CONTROL INFORMATION AND MORE:
Biological Control Release at Denver Botanic Gardens July 2018
Japanese Beetles in Colorado by Dr. Whitney Cranshaw YouTube March 31, 2021
Japanese Beetle Biological Controls by Dr. Whitney Cranshaw PowerPoint from February 7, 2019
Japanese Beetle Update on Biological Control Program of Japanese Beetle February 2020
Ovavesicula Popilliae Fungal Spore Pathogen for Japanese Beetle
STUDIES ON USE OF JAPANESE BEETLE TRAPS
Minimizing Bee Bycatch in Japanese Beetle Traps 2019
Mass Trapping as an Organic Management Option for the Japanese Beetle on Farms 2018
INFORMATION & ERADICATION EFFORTS BY WESTERN CITIES AND MUNICIPALITIES:
Oregon Department of Agriculture
Sacramento, CA Overview, Treatment Information
LOCAL/NATIONAL NEWS VIDEOS AND ARTICLES ON JAPANESE BEETLES:
July 8, 2021 Margaret Roach, The Japanese Beetles are Back
How a Small Colorado Town Fought the Japanese Beetle and Won The Colorado Sun, July 29, 2019
Tips for Surviving Japanese Beetles The Denver Post, Betty Cahill June 22, 2018
Goodbye Adult Japanese Beetles - For Now The Denver Post, Betty Cahill, October 6, 2018
Seven Alternative Ways to deal with Japanese Beetles June 25, 2018 Westword (caution - humor involved)
2023 Japanese Beetle Class PowerPoint includes slides on biocontrol (natural enemies to JB which were released along the Front Range of CO beginning in 2015). My final Japanese beetle public presentation before moving to Idaho.
One page handout JB summary, compiled by Betty
LINKS TO JAPANESE BEETLE ORGANIC PRODUCTS - please read and follow application instructions carefully:
beetleGONE!® Online - from Grow it Naturally
grubGONE!® Online - from Grow it Naturally
NOTE that beetleGONE! and beetleJUS! are the same product, two different online suppliers, same for grubGONE! and grubHALT!
Surround® WP Kaolin Clay Product Grow it Naturally
Surround at Home® Mixing and Application Instructions (very helpful)
Additional information on Heterorhabditis bacteriophora
Arbico How to Video for Applying Heterorhabdtis bacteriophora
Google Sites
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