Relative composition of egg parasitoid species of yellow stem borer, Scirpophaga incertulas Wlk. in paddy field at Pantnagar, India Kumar Lalbabu Department of Entomology, College of Agriculture, GBPUA&T, Pantnagar-263 145, Uttarakhand, India. Email: lalbabuagri@gmail.com Online published on 30 November, 2019. Abstract The study on egg parasitization of Paddy stem borer (YSB), Scirpophaga incertulas was conducted in the Department of Entomology Pantnagar, India during 2013–14. Telonomus dignus, Gahan (Scelionidae), Tetrastichus schoenobii, Ferriere (Eulophidae) and Trichogramma sp. (Trichogrammatidae) were the three important YSB egg parasitoids recorded from this area. Egg mass was mostly parasitized either by single or by two parasitoid species. The result showed that Maximum egg parsitization (67.44%) was observed during 34th standard metrological week. During study, three egg parasitoids have been reported viz., Tetrastichus schenobii, Telenomus dignus and Trichogramma sp. Telenomous spp. and Tetrastichus spp. were mainly egg parasitoids but Tetrastichus schoenobii was the most important parasitoids because it attacked several eggs at a time and behave as predator. Top Keywords Egg parasitoids, rice, Telonomus, Tetrastichus, Trichogramma, Yellow stem borer. Top |