Fact Sheets & Research on Japanese Beetle

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)  

Citizen Science: Japanese Beetle Survey Denver Museum of Nature and Science  

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 Beetle Life Cycle

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

Ten Lined June Beetle 

Box Elder Bugs

Conchuela and Say's Stink Bug

Golden Tortoise Beetle 


LAWN INFORMATION:

Billbugs and White Grubs CSU Extension

Dog Tuff™ Turf Grass

Insect Parasitic Nematodes CSU Extension

Turfgrass Information CSU

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

Gardening for Insects or Not

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:

Evaluation of Kaolin Clay as an Alternative Management Tactic for Japanese Beetle Feeding Damage in Grape Vineyards

Label Information for Toxicity

OMRI Organic Materials Review Institute

Reducing Pesticide Use and Impacts The Xerces Society

Pesticide Active Ingredient Database

Pesticide Product Search

Pollinator Protection Warning Label

Protecting Bees and Other Pollinators from Pesticides

How to Reduce Bee Poisoning from Pesticides (Pacific Northwest)


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

Betty's YouTube Videos (7 short ones) of the release of Winsome Fly Parasitized Japanese Beetles by Dr. Whitney Cranshaw, July 17, 2020


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

Behavioral Explanations of Underlying the Lack of Trap Effectiveness for Small-Scale Management of Japanese Beetle  2009

Japanese Beetle Traps: Evaluation of Single and Multiple Arrangements for Reducing Defoliation in Urban Landscape  1986


INFORMATION & ERADICATION EFFORTS BY WESTERN CITIES AND MUNICIPALITIES: 

Billings, MT 

Boise, Idaho 

British Columbia

Mesa County, CO

Palisade, Colorado 2002-2014 Eradication of Japanese Beetle

Mesa County, CO 2023 Program

Portland, Oregon

Sacramento, CA  Overview,  Treatment Information

Seattle, WA

Sheridan, WY

Utah


LOCAL/NATIONAL NEWS VIDEOS AND ARTICLES ON JAPANESE BEETLES:

July 8, 2021 Margaret Roach, The Japanese Beetles are Back

7 News July 31, 2019

9 News July 23, 2019

Japanese Beetle Fall Tips The Denver Post, Betty Cahill August 19, 2020

Fight off Japanese Beetle for the Summer The Denver Post, Betty Cahill June 23, 2020

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 

Fighting the Japanese Beetle's Spread out of the Denver Metro Area The Denver Post August 29, 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)


LINKS TO JAPANESE BEETLE ORGANIC PRODUCTS - please read and follow application instructions carefully: 

beetleGONE!® Online - from Grow it Naturally

beetleJUS!™    Online - from Gardens Alive

grubGONE!®  Online - from Grow it Naturally

grubHALT!®   Online - from Gardens Alive

beetleGONE!®  & grubGONE!®  Availability in Independent Garden Centers 

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) 

Heterorhabditis bacteriophora Insect Parasitic Nematode Information, check local garden centers for availability and online resources (make sure it's HB nematodes)

Additional information on Heterorhabditis bacteriophora

Arbico How to Video for Applying Heterorhabdtis bacteriophora