Millets and Maize | Sesamia inferens
Sesamia inferens (Walker, 1856); Common Name: Pink borer
Taxonomy Information
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera
Superfamily
Noctuoidea
Family
Noctuidae
Subfamily
Hadeninae
Genus
Sesamia
Species
inferens
Author
(Walker, 1856)
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Field Identification

Adult moths are stout, fast flying insects having a wingspan of about 3.5 cm. They are straw coloured with hairy body with forewing having a dark brown streak in the middle of fore wing. Hind wing is dull whitish in colour, without any markings. The hatched larvae are pink to purplish pink in colour, lighter on the ventral side, smooth and cylindrical with a reddish-brown head. Pupation normally takes place inside the stem and sometimes outside in hidden places such as between leaf sheath and stem. There is no cocoon formation. Pupa is 18 mm long, dark brown with purple tinge on the head region.

Damage

Larva bores into the stem and hollows it out which results in dead heart with the central shoot drying up, red mining in the midribs, windows in the leaves, shot holes on the whorl leaves.

Key Natural Enemies

Sturmiopsis inferens, Xanthopimpla stemmator, Allorhogas pyralophagus, Amyotea malabarica, Apanteles ruficrus, Cotesia flavipes, Euborellia stali, Pediobius furvus, Platytelenomus sp., Tetrastichus Israeli, Trichogramma chilonis, Trichogramma japonicum, Hippasa greenalliae, Cyrtophora cicatrosa, Oxyopes shweta, Bacillus thuringiensis, Nuclear polyhedrosis virus, Steinernema glaseri, S. Feltiae, Heterorhabditis indicus, etc.

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