First report of Gynnidomorpha permixtana (Lepidoptera: Tortricidae) activity as biological agent on control of Sagittaria trifolia (Alismatacae) in paddy field
2013
Farahpour hagani, Atousa; | Yaghoubi, Bijan; | Majidi- Shilsar, Farzad .
In evaluation the efficacy of common paddy herbicides on control of some weeds in rice research institute of Iran (RRII) in 2009, results showed that few germination of arrow head seeds. Detailed investigation revealed that the physical damage to seeds was because of shome moth larva feeding. After rearing moth larva in RRII plant protection laboratory, we found that these larvas belonged to Tortricidae family. Further systematic studied on this moth was conducted in Iranian research institute of plant protection (IRIPP) and the moth was distinagueshed as Gynnidomorpha permixtana (Denis & Schiffermόller, 1775). Also this species was reaffirmed in Spain. larva's recollecting in 2010 from field and insect rearing for five generations shows this moth activity on arrow head and larva feeding on seed and flowers of host plant and confirmed pervious surveys results. Also life cycle and type of activity on host plant was studied at this survey. At the other hand due to available resource there aren't any published reports of this moth activity on arrowheads from the other countries, so this is the first report of Gynnidomorpha permixtana (Lepidptera: Tortricidae) activity on Sagittaria sp.
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