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Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata)

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Order: Coleoptera (ko-lee-OP-ter-a) (Info)
Family: Chrysomelidae
Genus: Diabrotica
Species: undecimpunctata

Profile:

No positives
1 neutral
7 negatives

Regional...

This bug has been reportedly found in the following regions:

Ashville, Alabama
Mobile, Alabama
Vincent, Alabama
Sierra Vista, Arizona
Ashdown, Arkansas
Deer, Arkansas
Jonesboro, Arkansas
Arroyo Grande, California
Berkeley, California
Calistoga, California
Cambria, California
Cloverdale, California
Novato, California
San Leandro, California
Windsor, California
Ellendale, Delaware
Anna, Illinois
Madison, Illinois
Rising Sun, Indiana
Ames, Iowa
Ottawa, Kansas
Wichita, Kansas
Benton, Kentucky
Ewing, Kentucky
Hebron, Kentucky
Salvisa, Kentucky
Millersville, Maryland
Amherst, Massachusetts
Greenfield, Massachusetts
Vulcan, Michigan
Milaca, Minnesota
Tupelo, Mississippi
Belton, Missouri
Marshfield, Missouri
La Luz, New Mexico
Woodstock, New York
Greensboro, North Carolina
Warrensville, North Carolina
Cincinnati, Ohio (2 reports)
Columbus, Ohio
Dayton, Ohio
Lebanon, Ohio
Mantua, Ohio
Novelty, Ohio
Sidney, Ohio
Albany, Oregon
Corvallis, Oregon
Rogue River, Oregon
Salem, Oregon
Meadville, Pennsylvania
Millersburg, Pennsylvania
Laurens, South Carolina
Arlington, Texas
Houston, Texas
Liberty Hill, Texas
San Antonio, Texas (2 reports)
Arlington, Virginia
Danville, Virginia
Orchards, Washington

By melody
Thumbnail #1 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by melody

By stellapathic

Thumbnail #2 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by stellapathic

By Magpye

Thumbnail #3 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by Magpye

By GardenGuyKin

Thumbnail #4 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by GardenGuyKin

By htop

Thumbnail #5 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by htop

By htop

Thumbnail #6 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by htop

By linda_nc

Thumbnail #7 of Spotted Cucumber Beetle, Southern Corn Rootworm (Diabrotica undecimpunctata) by linda_nc

There are a total of 15 photos.
Click here to view them all!

Member Notes:

RatingAuthorContent
Negative melody On Jul 24, 2006, melody from Benton, KY
(Zone 7a) wrote:

This pest bug is found west of the Rocky Mountains. It is one of the most destructive insects found in gardens. It damages foliage, flowers,and pollen of cucumbers,melons, corn, potatoes,and peanuts. It also spreads viral disease in tomatoes.

Negative stellapathic On Jul 26, 2006, stellapathic from Cambria, CA
(Zone 10a) wrote:

The spotted cucumber beetle is very damaging to my roses, and most other flowers at this time of year (late July). I now find out that they are also the culprits for transmitting the bacterial wilt disease ravaging my garden. Bad bug! Insecticidal soap seems to be helping somewhat. They were legions last week and, following treatment, they are reduced to regiments. I live in an agricultural area and the more they spray the crops, the more the bad bugs come into the small gardens. So my insecticidal soap has probably only caused my poor neighbors to be attacked more heavily. I thought it was interesting that a "major horticultural publication," in just this month's issue, had the range of the Diabrotica as Florida to Texas in the south and New York to Minnesota in the north. Clearly they've found a foothold in what is called the Central Coast of California.

Neutral evelynnave On Aug 16, 2006, evelynnave from Novato, CA
(Zone 10a) wrote:

I live in the Bay Area of California. I finally had it with these bugs this year when they ravaged my dahlias. I got nematodes from the local nursery and applied as directed. A couple of weeks passed and the numbers dwindled significantly. With that and some early morning/late afternoon finger murdering, I've managed to eradicate the pests. I would highly recommend this treatment to anyone. Also, praying mantis will eat these beetles but they will also eat beneficial ladybugs.

Negative kgt53 On Aug 17, 2006, kgt53 from Vancouver, WA
(Zone 8b) wrote:

These bugs suck the life out of my roses and I've been fighting them for 3 years. I don't want to use things that are toxic to all insects but I am frustrated with them. They destroy the flowers while they are young buds so the blooms are malformed and black around the edges. They are very destructive.

Negative radiantj On Jun 1, 2007, radiantj from Meadville, PA wrote:

This nasty critter has started to grab hold in our yellow and green bean plantings in western Penna. We will start treatment in a day or so. Thanks to other posters for suggestions.

Negative mypetalpatch On Jun 8, 2007, mypetalpatch from Cloverdale, CA
(Zone 9b) wrote:

Our kids call them "man bugs" and we don't call them anything nice! They've ravaged our green beans, zinnias, squash, cucumbers, melons, day lillies, iris, roses and more. This year is worse than last if that's possible. We've now replanted the first 5 above and are at wit's end-down to nubs again! Our large garden supplies fresh organic vegies to folks that can't garden. We don't want to kill all the good bugs. HELP!

Negative sallyg On Jul 23, 2008, sallyg from Anne Arundel,, MD
(Zone 7b) wrote:

If you see a cuke leaf with sudden wilting or dry patches, look under there for one of these beetles.

Negative 1lisac On Apr 8, 2013, 1lisac from Liberty Hill, TX
(Zone 8a) wrote:

Many people don't realize that the larva of this bug damages the roots of many plants. I had an issue with these beetles and then found my spinach was wilting and no longer attached to the soil. It was only then that I found out the larva was the Southern Corn Rootworm. So when somebody says plant a trap crop I say get rid of them, they will damage more then you can imagine.


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