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June Featured Fact Sheet: Mexican Bean Beetle
Newly emerged adult Mexican bean beetles are round, about 1/4 inch long, and yellow. Their color changes to copper with age. They are marked by sixteen black spots, eight on each wing cover. Six branching spines are present on each segment of the bright yellow, 1/3 inch-long larvae. Pupae are also bright yellow and have only remnants of larval spines. Eggs are yellow and oval shaped.
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Insect Factsheets
Aphids
Mexican Bean Beetle
Pea Aphids
Disease Factsheets
Anthracnose
Downey Mildew
Gray Mold (PDF 423kb)
Rust
White Mold
Bacterial Blight (PDF 68kb)
Brown Spot (PDF 68kb)
Halo Blight (PDF 68kb)
Alfalfa Mosaic
Bean Common Mosaic
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Black Root Rot
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Lesion Nematodes (PDF 756kb)
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Red Clover Vein Mosaic
Root-Knot Nematodes (PDF 600kb)