Harmful Bugs

June bugs or June beetles are brown or dark green measure around 2.5cm long and 1.5cm wide. Their undersides have a metallic green or gold colour.

Brown june beetle (left), Brown june beetle grub (right)-photos Later’s Canada

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Japanese beetles are about 1.5-2cm long, green coloured with bronze wings. 

Japanese Beetle Adult-photo Iowa State University

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Cicadas are a medium to large bug (2.5-5cm) and there are many species. Despite thier lovely (NOISY) songs and beauty they can still be a pest.

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Leaffolders are moths that are black with with white spots and sometimes whites stripes depending on the species. Their larvae do the most damage and are very small caterpillars, clear and are pale green because of the leaves they eat. 

Leaf Folder Adult moth-photo Cropnet (left), Leaf Folder Larvae-photo Jack Kelly Clark-University of California (right)

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Walking sticks are usually brown or dark green and about 60mm (about 3″) long. They have long thin, sticklike bodies and long thin antanae. Camoflage is their greatest asset. 

Walking Stick-Forest Health Protection (left), Walking stick-University of Wisconsin (right)

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Chinchbugs are greyish brown about 3mm long and have narrow bodies. Immature bugs have red markings on their bodies. They hide under rocks and clods of dirt in the heat of the day. 

Chinch bug-University of California (left), Chinch bug (right)

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Cankerworm larva are a type of inchworm. They are brown, green & grey and about 1.5 cm long. Fully grown they can reach up to 2.5 cm.

Cankerworm-Insect Control Branch, Parks & Recreation, Winnipeg, Manitoba Canada (left), Cankerworm-Kansas State University (right)

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Cabbageworms are around 3 cm long and velvety green. The lopers are green and move like inchworms.

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Blister beetles do not have a toxic bite or sting, but if you crush one of these pests you can wind up with small blisters on your skin several hours after contact due to the secretion of cantharidin (a toxic compound in their bodies).

Grey blister beetle (top left), Black bister beetle (top right)-photos United Agri Products
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Armyworms can be classed into two groups, fall armyworms and true armyworms. There are many different species of true armyworms, rice armyworms, beet armyworms, and corn armyworms just to name a few.

Fall armyworm (left), True armyworm-Ohio State University (right)
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