Scale insect(कत्ले कीरा )

Catalogue Type
Plant Pests Catalogue
Scientific Name
Coccus pseudomagnoliarum
Family
Coccidae
Distinguishing Characters
Adult Females:Up to7 mm (0.28 in.) in length.
Dark grey.
Elongate, oval and slightly convex.
Only females are known.
Wingless.
Immatures:Two nymphal instars prior to maturation.
First instars are translucent yellow-green to brown, mobile crawlers.
Second instar is mottled dark brown.
Elongate, oval, and slightly convex.
Eggs:Yellow.
Oval.
Eggs remain under the female prior to hatching.
Host Crop
most citrus and their hybrids:grapefruit, Citrus paradisi lemon, Citrus limon Mediterranean mandarin, Citrus deliciosa sour orange, Citrus aurantium sweet orange, Citrus sinensis trifoliate orange, Poncirus trifoliata wu zhu yu, Evodia rutaecarpa
Order
Hemiptera
Photo of Insect
Description

Nymphs and adults damages the citrus plants by sucking the vital sap from the leaves, stems and fruits which stunted growth.

Soft scaled bodied insects produce honey like sweet products which provide favorable environment for the growth and development of Sooty mould and results in blackish appearance of leaves and stem.

Reduced Flowering

  • Reduced fruiting and production.
  • Honeydew excreted by scales coats the outside of fruits and leaves, and promotes the growth of sooty mold fungus that inhibits photosynthesis, weakens the plant, and makes fruit unattractive.
  • Pierces and removes nutrients from leaves, and weakens the plant.
  • Killed during heavy infestations.