Brown-legged Leafy Spurge Flea Beetle

Adult Spurge Flea Beetle Courtesy

Adult Spurge Flea Beetle Courtesy

Brown-legged Leafy Spurge Flea Beetle (Aphthona lacertosa)

Generations per year:  One

Growth:  4 stages of growth

Egg—200 to 300 eggs are deposited in small batches underground during the summer near the root of the spurge

Larval—newly hatched larvae migrate to the root hairs and feed until cool fall temperatures force dormancy

Pupal—pupation occurs in a soil cell from late spring to early summer 

Adult—emerge throughout the summer and feed on leafy spurge leaves. Adults are 0.12 inches long (tiny) and black.

 Overwintering stage—larval—in the spurge roots

Destructive stage—larval (root hairs and young roots) and adult (leaves and flowers)

Impact on the Leafy Spurge—the insect does not kill the plant, however, it reduces the plant’s root reserves and its ability to replace them


  • ·          Steppe areas with loamy soils
  • ·          Well-developed herbaceous vegetation

Dry sites or flooded areas are unfavorable to beetle survival.

Release Date:  Brown-legged Leafy Spurge Flea Beetles are typically released in June and July. 

Cost:  A carton of adult spurge flea beetles = approximately 500 insects

$50.00 plus overnight shipping costs to apply

If you are interesting in ordering Brown-legged Leafy Spurge Flea Beetle, please submit the following form or call (406) 485-2744 x100.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s