Recent Articles
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True armyworm (Common armyworm)
Identification True armyworm (also known as common armyworm), when full grown, are 4 cm (1 1⁄2 in.) long. They can vary in colour from dull-green to brown or black. Two distinguishing features are orange stripes bordered by a thin white line running laterally along the body and dark horizontal bands at the top of each…
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Cereal Leaf Beetle
Identification Cereal leaf beetle (CLB) adults have metallic, blue-green wings, are approximately 5 mm (1/5 in.) in length, with a reddish-orange head and legs (figure 1). CLB eggs are football shaped and approximately 0.5 mm in length (figure 2). They are laid on the upper surface of the leaf, close to the midrib and start…
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Cereal Aphids
Identification Cereal aphids are a complex of three different species that infest cereals. Bird cherry-oat aphids (figure 1) are the most common aphid found in Ontario cereals. These aphids are small, 2 mm (1/12 in.) or less. Adults are olive-green with patches of red-purple near the rear of the abdomen, between a pair of “tailpipes”…
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