Species Popillia japonica - Japanese Beetle

Classification · Synonyms and other taxonomic changes · Range · Season · Food · Life Cycle · Internet References · Works Cited

Japanese Beetles Love Marigolds - Popillia japonica

Japanese Beetles - Popillia japonica - male - female

more bug porn, Japanese beetles on my apple tree - Popillia japonica - male - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga (Water, Rove, Scarab, Longhorn, 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)

Synonyms and other taxonomic changes

Popillia japonica Newman

Range

native to E. Asia, introduced in NA (NJ 1916, with nursery stock) and now spread west to NE(1); found in CA (2005, Santa Clara Co.)(2)

Season

Adult beetles are generally most numerous in June and July, but have been reported into fall in some states (see data map)

Food

Larvae feed on roots of many plants. Adults feed on foliage, flowers and fruits of various plants. (3)

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.

Internet References

Fact sheet by D.J. Shetlar

Iowa State U.

Works Cited

1.	American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea By Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.)

2.	California plant pest & disease report, Vol. 22 (Jul 2002 through Jul 2005) By S. Gaimari, ed.

3.	Peterson Field Guides: Beetles By Richard E. White

Contributed by Troy Bartlett on 16 February, 2004 - 12:32pm
Additional contributions by Mike Boone, Hannah Nendick-Mason, Beatriz Moisset, Bbarnd, v belov
Last updated 28 January, 2012 - 1:33pm

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