Mexican bean beetle


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Mexican bean beetle

n.
A spotted ladybug (Epilachna varivestis) of the eastern United States and Mexico that feeds on the leaves of beans, including soybeans.

Mex′ican bean′ beet`le


n.
a ladybird beetle, Epilachna varivestis, introduced into the U.S. from Mexico, that feeds on the foliage of the bean plant.
[1920–25]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Mexican bean beetle - introduced into the United States from MexicoMexican bean beetle - introduced into the United States from Mexico; feeds on the foliage of the bean plant
lady beetle, ladybeetle, ladybird, ladybird beetle, ladybug - small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests
Epilachna, genus Epilachna - genus of ladybugs native to Mexico and Central America; both larvae and adults feed on plants
References in periodicals archive ?
Natural history, ecology, and management of the Mexican bean beetle (Coleoptera: Coccinellidae) in the United States.
1940.Paradexodes epilachnae, a Tachinid Parasite of the Mexican Bean Beetle. Technical Bulletin No.
Another insect whose presence I know I will simply have to accept in my garden is Mexican bean beetle. Since I can't defeat this busy, prolific beetle with hand-picking, I grow two (or more) varieties of beans in a variation of succession planting: I plant a patch of bush beans like Contender, at the same time as I plant a bed of pole beans like McCaslan.
PI 417288 is a vegetable-type soybean, MG V, from Japan and is reported to have moderate resistance to Mexican bean beetle (Epilachna varivestis Mulsant) defoliation (Kraemer et al., 1994).
Mexican bean beetle, a problem in the eastern United States and some parts of the southwest, resembles the beneficial ladybug, but it has 16 black spots and no white marking between the head and body.
There are a few species of ladybugs (such as the Mexican bean beetle) that are herbivores.
Acephate (Orthene 75 S) at 3.0 g (ai)/1 and 0.59 g (ai)/1 and carbaryl (Sevin 50 WP) at 7.5 g (ai)/1 and 1.5 g (ai)/1 were ingested by larvae of the Mexican bean beetle, Epilachna varivestis Mulsant, that fed on treated snapbean foliage.
To determine whether plant genotype can affect long-term herbivore population dynamics, we used a density manipulation experiment to compare the dynamics of Mexican bean beetle populations living on four genotypes of soybeans.
These include a fungal pathogen to control a rice weed; a soil microorganism to control plant crown gall; insect parasites to control Mexican bean beetle on soybeans, Colorado potato beetles on eggplants, and filth flies around poultry and livestock operations; and viral, bacterial, and fungal pathogens of other insect pests.
My research took me to a picture of a Mexican bean beetle which looked devastatingly like a ladybug.
The PI 417288 is a larger-seeded soybean MG V from Japan and is reported to have moderate resistance to Mexican bean beetle (Epilachna varivestis Mulsant) defoliation (Kraemer et al., 1994).
The most aggravating pest is the Mexican bean beetle. We check the undersides of leaves when we are picking the beans.

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