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Twenty-spotted lady beetle

Twenty-spotted lady beetle

Psyllobora vigintimaculata

A species of Fairy ladybeetles, Also known as 20-spotted ladybird beetle, Twenty-spot ladybird

Psyllobora vigintimaculata, the twenty-spotted lady beetle, is a species of lady beetle in the family Coccinellidae. It is found in North America.

General Info About Twenty-spotted lady beetle
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Attributes of Twenty-spotted lady beetle
Colors
Black
Yellow
White
Habitat
base of skunk cabbage; leaves of various shrub; plant with powdery mildew
Adult Food Sources
Mildew, fungal spores, fungus-infected plant matter
Larva Food Source
Mildew, fungus, spores
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Twenty-spotted lady beetle is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Biting animal or pet
Yes
Mouthparts Type
Chewing mouthparts
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Species Status of Twenty-spotted lady beetle
Imperiled
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Distribution Area of Twenty-spotted lady beetle
North America
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Predators of Adult Twenty-spotted lady beetle
Birds, reptiles, arthropods, mammals
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Interesting Facts About Twenty-spotted lady beetle
Twenty-spotted lady beetle can consume vast quantities of mildew, aiding in the control of garden fungi unlike their aphid-eating relatives.
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Scientific Classification of Twenty-spotted lady beetle
Tips for Finding Twenty-spotted lady beetle
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Youth Habitat of Twenty-spotted lady beetle
Forests and Woodlands, Agricultural and Cultivated Areas, Grasslands and Prairies, Urban and Suburban Areas
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Habitat Preferences of Twenty-spotted lady beetle Through Different Life Stages
Adult twenty-spotted lady beetle are typically noticed on vegetation like shrubs and trees, feeding on mildew, where their distinct coloration camouflages them among leaves. Larval twenty-spotted lady beetle can be found on the undersides of leaves, voraciously consuming aphids and small arthropods. Pupae often attach themselves to leaf surfaces or other plant structures, in quieter, less-disturbed areas. To locate these stages, one would search through various plants, lifting leaves to inspect their undersides, and closely examining stems for the more stationary pupae - a careful, patient exploration of plant foliage is key for observation.
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When is the Best Time to Observe Twenty-spotted lady beetle
The best time to find adult twenty-spotted lady beetle is in the spring and early summer when aphid populations tend to be high, and twenty-spotted lady beetle are most active.
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What is the Best Weather to Observe Twenty-spotted lady beetle
Mild to warm weather conditions with no rain are ideal, as twenty-spotted lady beetle are typically more active and visible during dry, sunny days.
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How and Where Can You Find Twenty-spotted lady beetle at Different Life Stages
Egg Eggs of twenty-spotted lady beetle are typically laid in clusters on the undersides of leaves, often in proximity to aphid colonies. Search for tiny, yellow to orange oval eggs on the undersides of leaves where aphids are present.
Larva Larvae of twenty-spotted lady beetle are elongated and may be spotted in areas with high aphid populations, on plant stems, and undersides of leaves, feeding voraciously. They can be found by visually inspecting for their distinct, often brightly colored bodies or signs of aphid predation.
Pupal Pupal cases of twenty-spotted lady beetle are often attached to leaf surfaces or other structures near their feeding sites. Finding these cases involves searching on and around plants, especially where larvae have been observed.
Adult Adult twenty-spotted lady beetle are beetle-like with distinctive spotted patterns. They can often be spotted on open flowers, foliage, or near aphid colonies. Look for them by examining the tops of plants and flowers during the day.
Are Twenty-spotted lady beetle harmful?
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