Cedusa vulgaris

(Fitch, 1851)

blue Derbid planthopper

Cedusa vulgaris is a planthopper in the Derbidae, commonly known as the blue Derbid planthopper. First described by Fitch in 1851, this is native to North America but has been recently documented as an emerging pest in Indian grape vineyards since May 2024. feed on phloem sap of grape plants through . The species belongs to a group of planthoppers often characterized by distinctive coloration and association with woody plants.

Pronunciation

How to pronounce Cedusa vulgaris: /sɛˈduːsa vʌlˈɡɛrɪs/

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Habitat

Grape vineyards (Vitis vinifera); broader native in North America not specified in available sources

Distribution

Native to North America with records from Arkansas, California, Connecticut, Delaware, and District of Columbia; first reported from India in May 2024

Diet

Phloem sap of grape plants (leaf sap sucking observed)

Host Associations

  • Vitis vinifera - pestgrapes; feeding causes observable

Human Relevance

Emerging agricultural pest in Indian grape production; feeding activity causes damage on grape plants

Tags

Sources and further reading