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Species Popillia japonica - Japanese Beetle

Japanese Beetle - Popillia japonica Japanese Beetle - Popillia japonica japanese beetle - Popillia japonica Japanese Beetle - Popillia japonica Japanese Beetle - Popillia japonica Beetles - Popillia japonica - male - female Popillia japonica And vegetation damage - Popillia japonica
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Rutelinae (Shining Leaf Chafers)
Tribe Anomalini
Genus Popillia
Species japonica (Japanese Beetle)
Explanation of Names
Popillia japonica Newman 1841
~10 mm
adventive e. NA, spreading westward (PE-CO-GA) (BG data); found in CA in 2005 (Santa Clara Co.)(1), native to E. Asia
mostly: June-Sept (BG data)
Larvae feed on roots of many plants. Adults feed on foliage, flowers and fruits of various plants.(2)
Life Cycle
Adult females lay eggs in soil June through early fall. Grubs feed on roots until hibernating underground (4-8" deep) as third instar larvae when cool weather comes.
earliest record in our area: NJ 1916
Parasitized by the introduced fly Istocheta aldrichi and wasp Tiphia vernalis, and the native Scolia dubia.
Print References
Potter D.A., Held W. (2002) Biology and management of the Japanese Beetle. Ann. Rev. Entomol. 47: 175–205. (Full text)
Frank K.D. (2017) Establishment of the Japanese Beetle (Popillia japonica Newman) in North America near Philadelphia a century ago. Ent. News 126: 153-174.
Internet References
Ohio State (Shetlar & Andon 2015)(3)
Iowa State (Hodgson 2009)
Featured Creatures (Gyeltshen & Hodges 2010)(4)
Works Cited
1.California plant pest & disease report, Vol. 22 (Jul 2002 through Jul 2005)
S. Gaimari, ed. 2005. California Department of Food & Agriculture, Plant Pest Diagnostics Branch. 78 pp.
2.Peterson Field Guides: Beetles
Richard E. White. 1983. Houghton Mifflin Company.
3.Ohio State University Extension fact sheets
4.University of Florida: Featured Creatures