
Japanese beetle
Metallic green head and thorax
Illustration · not shown at life sizeBeetles / Insect
Harmonia axyridis
Not every lady beetle has the same spots. Look behind the head for a dark mark shaped like an M.
Let’s look closerLittle clues
Dark M-shaped mark behind head.
Spot count varies.
Eats aphids.
Out in the world
Gardens and fall house walls.
Sunny house walls in fall; garden plants when aphids are around.
Look closely. Leave your tiny neighbor where you found it.
A closer look
Some have lots of spots; some have none. Check the pale area behind the head for the dark M-shaped marking.
A special find can be hard to spot without being biologically rare. Encounters depend on season and habitat.
For curious grownups, too
Original summaries, with references for deeper reading.
Make a bug slide
Front artwork is made for a 3-inch clear disc. Revised artwork still needs a physical check. Reverse QR files use the confirmed permanent website.
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