Harmful Effects of Pale Green Weevil

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Photo By Owen Strickland , used under CC-BY-NC /Cropped and compressed from original

Harmful Effects of Pale Green Weevil

Polydrusus impressifrons

Pale Green Weevil can cause defoliation and weaken the structure of ornamental shrubs and trees, potentially reducing plant vigor and agricultural productivity. In high numbers, pale Green Weevil may lead to significant aesthetic and economic damage due to decreased photosynthesis and crop yields.

What Type of Pest Is Pale Green Weevil?

Garden and Landscape Pest

Agricultural Pests

Garden and Landscape Pest

Damage Stage

Adults, Larvae

Host Plants

Ornamental Shrub, Ornamental Tree

Host Plants Organs

Leaves, Stems

Damage Ways

Chew Plant Tissues

Damage Reason

Feeding

Damage Level

Mild to Severe

Adult and larva stages of pale Green Weevil chew on the leaves and stems of ornamental shrubs and trees, leading to defoliation and weakened plant structure. Severe infestations can result in significant aesthetic damage and potentially reduce plant vigor, impacting the garden's appearance and ecosystem.

Agricultural Pests

Damage Stage

Adults, Larvae

Host Plants

Apple, pear, cherry, poplar, willow, and birch

Host Plants Organs

Leaves, Roots

Damage Ways

Chew Plant Tissues, Boring Plant Tissues

Damage Reason

Feeding

Damage Level

Mild to Severe

Adults and larvae of pale Green Weevil perform different roles in harming crops; while larvae may bore into roots, adults chew on leaves. With few pests, the impact is often mild, but in large numbers, severe defoliation can occur, leading to decreased photosynthesis, weakened plants, and ultimately, reduced crop yields. This can adversely affect agricultural productivity, thereby impacting food supply and economy.

More Insects that are Similar to Pale Green Weevil

Enaptorhinus granulatus

This hardy beetle, with its distinctive snout, is an adept burrower, using its elongated rostrum to bore into host plant material. As larvae, enaptorhinus granulatus lives within the stems and roots of plants, playing a role in the ecological process of decomposition. In the adult phase, it shifts its diet to the surface foliage, showcasing the species' remarkable adaptability from one life stage to another.

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