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NO. 013Japanese beetle illustrationIllustration · not shown at life size

Beetles / Insect

Japanese beetle

Popillia japonica

AdultAn everyday search

This small beetle shines green and copper. Little white tufts along its sides help you recognize it.

Let’s look closer

Little clues

Three things to notice.

  1. Metallic green head and thorax.

  2. Copper-colored wing covers.

  3. White tufts along the sides.

Out in the world

Where to look.

Around southeastern Wisconsin

Summer garden plants.

When to look

Usually late June or July into September.

Look closely. Leave your tiny neighbor where you found it.

A closer look

One clue is just the start.

Look for green, copper, and little white tufts together. Shiny green alone is not enough to name this beetle.

A special find can be hard to spot without being biologically rare. Encounters depend on season and habitat.

For curious grownups, too

Read a little further.

Original summaries, with references for deeper reading.