Insecticides are used as preventive measures against these beetles. It’s also when the cucumber plants need to be monitored daily as the beetles can quickly kill plants within days if left undisturbed. These beetles create the most damage in their early stages. Striped Cucumber beetles may kill cucumbers and monitoring them at an early plant growth stage is key. They also attack zucchini as other plants of a similar genus. This species of beetle is one of the most damaging cucumber pests and agricultural pests in general.Īs their name implies, Stripes Cucumber beetles eat the flowers and the fruits of cucumber. The Striped Cucumber beetle (Acalymma vittatum) has a white body with black stripes. Striped Cucumber Beetle Striped Cucumber Beetle It feeds on horsenettle and ground cherry among other plants. This species has a native presence in North America. The False Potato beetle isn’t seen as a major potato pest even if it can lay eggs on potatoes, in a larger cluster than the Colorado Potato beetle. This species has a round shape with alternating black and white stripes across the elytra. 1 to 3 broods appear up to late summer depending on its region. The False Potato beetle (Leptinotarsa juncta) is one of the most common striped beetles to resemble Colorado Potato beetles.įalse Potato beetles emerge in the spring, as soon as the weather gets warmer. They can consume all leaves of a plant essentially killing it within days or weeks.Įxported from the US around the world, Colorado Potato beetles are mainly eliminated by insecticides. They are among the most important pests of eggplant and tomato pest as well.īeetles of this family feed on the foliage of potatoes and eggplant. These beetles are considered major pests on certain crops and the most important pest of potatoes. This species is believed to be native to Colorado and New Mexico but its presence is signaled throughout the Northern Hemisphere today.Ĭolorado Potato Beetles have yellow elytra with 10 black stripes. Colorado Potato Beetle Colorado Potato BeetleĬolorado Potato beetles (Leptinotarsa decemlineata) are also sometimes known as the Ten-lined beetles as they also have 10 stripes across the elytra, similar to the Ten-lined June beetle. Ten-lined Jun Beetles are native to the United States and Canada. Their hissing sound resembles the sounds bats make.īeetles of this genus grow to an average size of 1.5 inches. This is achieved with the wings pushing out air. They feed on watermelon leaves and roots.Ī hissing sound is also produced by the beetle. Ten-lined June Beetles are a major agricultural pest. These grubs have a brown head that also shows 3 stripes. Each wing has 5 lines, one of which is short. Ten-lined June Beetles (Polyphylla decemlineata) have a total of 10 lines that inspire their name. Ten-lined June Beetle Ten-lined June Beetle
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