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Grapevine beetle

Grapevine beetle

Pelidnota punctata

A species of Pelidnota, Also known as Spotted Pelidnota

The grapevine beetle (Pelidnota punctata) can be found wherever grapevines grow because they regularly feed on grapes. Adults are a yellow-orange color with three dark spots on each forewing. The larvae can live in tree stumps and tree roots, but it doesn't regularly cause damage.

General Info About Grapevine beetle
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Attributes of Grapevine beetle
Colors
Brown
Black
Yellow
Habitat
vineyard; garden
Adult Food Sources
Grape leaves, virginia creeper, grapevine, deciduous tree leaves, other vegetation
Larva Food Source
Decaying wood, decaying leaves, organic matter in soil, rotting plant debris
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The Grapevine beetle feeds on plants, usually without causing significant harm. However, it's important to take the situation seriously if their numbers begin to increase significantly.
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing mouthparts
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Species Status of Grapevine beetle
They are common in the north and central United States and Eastern Canada.
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Life Cycle of Grapevine beetle
Egg The eggs of grapevine beetle are typically oval and possess a sturdy protective coating. At this stage, the embryo develops within and is generally minute, lacking distinguishable features of mature insects.
Larva As larvae, grapevine beetle appear worm-like with a soft exoskeleton. They significantly differ in form from adults, being more focused on eating and growth, thus increasing markedly in size during this period.
Pupal The grapevine beetle enters the pupal stage encased in a protective cocoon, undergoing drastic internal changes. Their appearance is largely immobile and outwardly inactive as metamorphosis progresses.
Adult Emerging from the pupa, the adult grapevine beetle’s development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction.
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Adult Size of Grapevine beetle
1.8 - 2.5 cm
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Predators of Grapevine beetle Larvae
Birds, small mammals, predacious beetles, ants
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Predators of Adult Grapevine beetle
Birds, small mammals, reptiles, arthropods
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Interesting Facts About Grapevine beetle
Grapevine beetle can produce a small amount of light from their abdomens, a rare trait not commonly associated with beetles.
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Scientific Classification of Grapevine beetle
Class
Bugs
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Order
Beetles
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Family
Rutelidae
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Tips for Finding Grapevine beetle
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Adult Habitat of Grapevine beetle
Forests and Woodlands, Urban and Suburban Areas, Agricultural and Cultivated Areas
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Habitat Preferences of Grapevine beetle Through Different Life Stages
The egg stage of grapevine beetle often occurs under soil at the base of plants. Larvae tend to reside in decomposing wood or underground near rotting logs. Adult grapevine beetle are typically located on the foliage or bark of trees, often feasting on sap or leaves. To search for these stages, carefully inspect the soil for eggs near host plants, sift through decaying wood for larvae, and observe the trunks and branches of trees for adults. Each habitat is crucial for the particular developmental stage's survival and growth.
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Harmful Effects of Grapevine beetle
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Garden and Landscape Pest

Grapevine beetle can cause mild to severe damage, mainly feeding on leaves and roots of plants like grapevines. The adults chew foliage, leading to skeletonized leaves, while larvae harm the roots. Large numbers can significantly defoliate plants, affecting plant health and potentially impacting crop yield and ornamental value.

More Effects of Grapevine beetle

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