Feeding by C. pulicaria causes irregular, fine, white scratches on the leaves of maize plants (Poos and Elliott, ). The insect eats through the epidermis of the. Genus Chaetocnema. Species pulicaria (Corn Flea Beetle). Synonyms and other taxonomic changes. Chaetocnema pulicaria F.E. Melsheimer. Description The adult is a very small, smooth, shiny, roundish, black beetle. The hind legs are distinctly enlarged and thickened, and the beetles jump readily.

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Chaetocnema pulicaria – Wikipedia

Yield and crop quality may be affected by this disease, depending on the severity of infection Pepper, However, some maize hybrids are resistant to Stewart’s wilt Pantoea stewartii. Synonyms and other taxonomic changes. Modifications to the Stevens-Boewe system of forecasting Stewart’s wilt have been proposed Esker and Nutter, ; Esker et al.

A large percentage of sweet corn plants infested in the seedling stage will die or dwarf and produce no harvestable ears.

May damage corn crops; important in parts of the Midwest where it may transmit the bacterial agent of Stewart’s wilt of corn 3. The result is often small ears or no ears at all. Articles with ‘species’ microformats. Scouting Procedures Examine newly emerged corn for the presence of the beetles and count the approximate number per plant.

Resistant hybrids may not prevent systemic infection or main stalk death when flea pluicaria feed on the leaf tissue close to the growing point before the V2 oulicaria V3 stage Pataky et al.


Chaetocnema pulicaria (corn) – Bugwoodwiki

Close Find out more. Stewart’s wilt symptoms begin at the site of the feeding scars. In Illinois, a threshold of five beetles pulicatia yellow sticky trap per day has been proposed Cook, The same study also found that an increase in the rate of insecticide applied, from 0.

Contributed by v belov on 19 November, – Knowledge Bank home Change location. This page was last edited on 22 Marchat Views Read Edit Pulicaira history.

Dill suggested that grass growing in areas near to where maize is to be planted the following year should be burned in order ;ulicaria control flea beetles. Slight infection may occur when the sum totalsand no infection will occur below If the infestation is so severe that some plants are being killed, or if more than half of the leaves are whitish, it may be profitable to treat.

Chaetocnema pulicaria (corn)

Systemic infection is affected by host reaction and the growth stage at the time of infection. Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations. Eggs hatch in days.

From Wikipedia, the free encyclopedia. Contributors own the copyright to and are solely responsible for contributed content. This index is based on the suin of the average monthly temperatures for December, January, and February.


During the feeding process, the adults disseminate a bacterial wilt of corn called Stewart’s disease. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. Cookies on Plantwise Knowledge Bank Like most websites we use cookies. The females lay eggs in soilwhich has plants growing nearby. Bugguide is hosted by: Maize seedlings are most susceptible to damage, but moving the planting date may allow them to escape periods when flea beetle populations are high.

It becomes pluicaria early in the spring and even feeds on grasses on warm days during the winter. Flat list – collapsed Flat list – expanded Threaded list – collapsed Threaded list – expanded Date – newest first Date – oldest first 10 comments per page 30 comments per page 50 comments per page chetocnema comments per page 90 comments per page Select your preferred way to display the comments and click ‘Save settings’ to activate your changes.

Chaetodnema consider a year-end gift to BugGuide! The first summer peak of C xhaetocnema was observed between the end of June into the middle of July, with the highest observed peak at