Insect Pests of Fruit, Plantation, Medicinal & Aromatic Crops (2+1)

3. Guava scale

3. Guava scale -Chloropulvinaria psidii Mask. (Coccidae: Hemiptera)

Damage

• Both nymphs and adults of scales are found in large numbers of the under surface of leaves, tender twigs and shoots causing yellowing and distortion of leaves.
Bionomics

• The adult is shield shaped, oval, yellowish green measuring 3 mm in length.
• The female lays eggs in a ovisac beneath the body.
• The first instar crawlers move and start feeding on the tender portion of the plants