Flying Insects in the Garden

Updated July 19, 2017

Flying insects can be a big problem in the garden, but being able to identify these pest will aid in control. Identification can come from what they look like and also from what they eat.

Japanese Beetle

This flying insect is about 1/2 inch in length with a shiny, bluish-green body that has a metallic sheen to it in the sunlight. Wings can be copper or bronze in colour, which adds to the metallic look. This insects feeds on anything in the garden.

Colorado Potato Beetle

This insect is 3/8 to 1/2 inch long and has a round body that is yellow with black striping on the wing covers. The favourite vegetables of this insect are potatoes, tomatoes, eggplants and peppers.

Cucumber Beetle

The cucumber beetle has two species: striped cucumber beetle and the spotted cucumber beetle. The striped cucumber beetle is 1/4 inch long with a yellow body that has three black strips down the wing covers while the spotted beetle is the same size with 12 black spots down the wing covers. Favourite foods of this insect are cucumbers, beans, squash and melon seedlings and the vegetation of corn, peas, potatoes, tomatoes and peanuts.

Asparagus Beetle

There are two species of asparagus beetles. The common asparagus beetle is about 1/4 inch long and has a bluish-black body with a green-tipped antennae. Its thorax is reddish in colour and the wings have three yellow spots. The spotted asparagus beetle is slightly larger and has an orange-red body with six black spots on each wing. The eyes and antennae are black. Both species only eat asparagus.

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About the Author

Mindy McIntosh-Shetter has been writing since 2010. Her work appears on various websites and blogs. Her educational background includes a Bachelor of Science in agriculture education with minors in biology and natural resources from Purdue University. She is pursuing a master's degree in environmental education and urban planning from the University of Louisville.