CHILO INFUSCATELLUS PDF

Data on shoot borer, Chilo infuscatellus Snell., infestation and granulosis virus infection were collected from sugarcane planted during early. Family – Pyralidae. Genus – Chilo. Species – infuscatellus. Distribution: It is a major pest of sugarcane and is prevalent in all the cane growing areas of India. PDF | Studies regarding the management of sugarcane stem borer, Chilo infuscatellus through different release levels of Trichogramma.

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Shoot Borer Chilo infuscatellus: Distribution in India, Life Cycle and Control! Adult moth is straw coloured and measures about 1.

The lower wings are greyish-white and the palpi are pointed forward. The newly hatched caterpillars are somewhat greyish in colour having a dark head and a transparent body with spots and hairs. These spots lateron develops into spines. This pest is mainly injurious to the younge plants.

Chilo Infuscatellus

The damage is done by the caterpillars which bores into the stem and feed the soft tissues. While feeding the caterpillars moves upward as well as downward and may reach the roots.

Infestation of intemods makes the matured cane hard, devoid of juice which becomes difficult to mill. Tunnels are also formed within the shoot as a result both quality and quantity of the juice is reduced.

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The time of appearance of this pest and the details of life history varies in different places depending upon the climate and planting time of the sugarcane.

It may appear in February but the general time of appearenge in Indian conditions is March-May. Female lay eggs. The eggs are laid in the clusters of eggs on the under surface of the leaves by the side of the mid rib.

The eggs are creamy-white in colour and has scale like appearence. The e ggs hatch in about a week s time and the larvae at first feed upon the leave epidermis and then with the help of their cutting and chewing mouth parts bores into the stem from near the base of the cane plant.

The larvae are dull white in colour with a number of brownish-red longitudinal stripes on the back. A fully grown larva measures about 2. The significant characteristic feature of the larvae is that they bore in and bore out a number of times, either in the same stalk or in the neighbouring ones. The larval period lasts for about three weeks, after which the larvae pupates in the tunnel within the sugarcane stalk where they had been feeding before.

The pupal period lasts a little more than a week after which the moth emerges out from the exit hole prepared by the larva before pupation. Four to five generations are repeated in an year.

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During winter months the larvae undergoes hibernation.

Early plantation by the middle of February is helpful in checking serious destruction by this pest. By adjusting the time of plantation of the cane and emergence of moth, the two should not coincide with each other.

Shoot Borer (Chilo infuscatellus): Distribution in India, Life Cycle and Control

Removal of affected plants having dead heart right from the ground infuscatelluus. Care should be taken that the larvae and pupae may not come out from the removed plants. Spraying should be done at the interval of 15 days for the first three months. Release of the egg parasites Telenomus beneficious, Trichograma spp.

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