Major Insect-Pest Of Maize


Major Insect-Pest Of Maize

1.Maize/ Sorghum stem borer: Chilo partellus

 F:Pyralidae O:Lepidoptera.

  • Most destructive pest of maize/sorghum.
  • Caterpillars infect the crop usually one month after sowing.
  • It cause pin holes on leaves or”dead hearts” in stem.
  • The infestation may be noticed till harvesting.
  • Larvae remains hibernate in maize stubbles.


  • Destroy stubbles, weeds & alternate hosts.
  • Application of Phorate 10 G @ 20 kg/ha or Carbofuran 3G @ 25 kg/ha.
  • Release of Cotesia (Apanteles) spp.

Other pests of maize:

1.Maize aphid: Rhapalosiphum maydis

 F:Aphididae  O:Hemiptera

2.European corn borer: Ostrinia nubilalis

F:Pyralidae  O: Lepidoptera.

(It doesn’t occur in India).

3.Asian maize borer: O. furnacalis

  • present in some part of India.

4.Pink borer: Sesamia inferens

F:Noctuidae O: Lepidoptera.

  • It mainly feeds on maize, rice and wheat
  • It cause ‘dead heart’ on central shoot in wheat (IARI, Ph.D-04)

5. Fall Army Worm : Spodoptera frugiperda

F: Noctuidae  O:Lepidoptera

  •  During the day the common armyworm shelters in the throats of plants or in the soil and emerge after sunset to feed.
  • Dayfeeding armyworm are active during the day. Young plants may be defoliated or killed. 

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