Asparagus beetle Learn how to identify and remove asparagus beetles without resorting to toxic sprays or chemical powders! There are two types of asparagus beetle. Both target their naming plant, causing damage to newly emerged darts and late leaves. The common asparagus beetle (Cryoceris asparagus) attacks both garden and wild plants. First, a European race, which spread throughout the United States. Adult beetles (1/4 inch long) have metallic blue to blackish creamy yellow spots and red margins on their wing coverts. The adult spotted asparagus beetle, which looks like a female beetle, is reddish-orange with 12 black spots. Their damage can be complex, but they are not as destructive as the common asparagus beetle. The plump larvae (1/3 inch long) of two asparagus beetles are slug-like in appearance. The common beetle has a black head and visible legs and is gray or green. Beetle larvae with spots are orange. For detailed descriptions of both species and concrete pho...
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