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Determination of the different nymphal instars of trilophidia annulata (oedipodinae: acrididae: orthoptera)

Author:

Fakhra Soomro, Riffat Sultana and Muhammad Saeed Wagan

Subject Area:

Life Sciences

Abstract:

Trilophidia annulata is one of the most important agricultural pests in the low lying grasslands. It feeds on a wide range of crops but is primarily graminivorous. It’s all developmental stages cause damage to varieties of crops but their immature seem most destructive. During the present study immatures of T. annulata was discussed. It passes through 5th nymphal instars in male and 6th in female. All the morphological differences were shown through illustration and photographs. It was noted that there is significant difference in the head, pronotum and wing pads of different nymphal stages. Color pigmentation is also unique and prominent feature in these developmental stages. Still now this, parameter was untouched. Present study is being carried out for the first time.

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