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International Journal of Agricultural and Forestry Sciences

Volume 1, Issue 1, 2016
Mcmed International
International Journal of Agricultural and Forestry Sciences
Issn
XXX-XXXX (Print), XXXX-XXXX (Online)
Frequency
bi-annual
Email
editorijafs@mcmed.us
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Abstract
Title
A NEW RECORD ON MASS REARING OF PUPAL PARASITOID, TETRASTICHUS HOWARDI (OLLIFF) USING SILK WORM PUPAE FOR THE MANAGEMENT OF SUGARCANE STEM BORERS IN SOUTH INDIA
Author
Sankar M* and Manjunatha S Rao
Email
shankarms10@gmail.com
keyword
biological control, host-parasitoid interactions, sugarcane pest, tetrastichus, parasitism.
Abstract
The sugarcane internode borer, Chilo Sacchariphagus indica (Fabr.) (Lepidoptera: Pyralidae) spends the largest part of its life cycle inside the cane, which provides protection against the action of conventional control methods. Biological control has been considered a viable and an alternate to control method to this pest in sugarcane, Saccharum officinarum. This paper reports that an augmentative release of an entoparasitoid, Tetrastichus howardi for the management of sugarcane internode borer is popularized among the sugar industries in south India. Mass rearing technology of T. howardi is standardized in pupae of ERI (Philosomia ricini) and Mulberry silk worm (Bombyx mori). A single pupa of B. mori is able to produce average number of 115 tetrastichus offspring. The life cycle of the parasitoid was around 22 days. The presence of the parasitoid in India opens a new perspective on suppression of the sugarcane stem borers. The insect is well adapted to the laboratory and field conditions, which can be mass produced in large scale by using eri and mulberry silk worm pupae and may, became an additional option for the integrated pest management against various lepidopteron insect pests.
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