Mildew-Eating Lady Beetle – Psyllobora vigintimaculata
Psyllobora species feed on mildew spores, unlike most other lady beetles which are carnivorous.
Ladybugs, also called lady beetles or ladybird beetles, are actually beetles in the Coleoptera family Coccinellidae. As insects go, they are a very beneficial group, being natural enemies of many insects, especially aphids and other critters that damage plants by feeding on their sap. A single ladybug can consume vast quantities of aphids in its lifetime, as many as 5,000 or more. There is a brisk business in commercial ladybugs for aphid control, and some of the species found in North America are actually invasives brought from Europe or Asia for such purpose.
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