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Research Paper |
| Title |
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Life history and larval performance of the Peacock pansy
butterfly, Junonia almana Linnaeus (Lepidoptera: Rhopalocera:
Nymphalidae) |
| Country |
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India |
| Authors |
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Bhupathi Rayalu. M, Ella Rao. K, Sandhya Deepika.D, Atluri. J.B |
 |
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10.9790/2402-0121721  |
Abstract: The life history of the Peacock pansy butterfly, Junonia almana and larval performance in terms of
food consumption and utilization, and the length of life cycle on its host plant Ruellia tuberosa are described for
the first time. The study was conducted during 2008 at Visakhapatnam (17o 42' N and 82 18' E), South India.
Junonia almana completes its life cycle in 24.40 1.14 days (eggs 3, larvae, 15 – 16, pupa 5 – 7 days). The
values of nutritional indices across the instars were AD (Approximate Digestibility) 44.10 – 95.87%; ECD
(Efficiency of Conversion of Digested food) 1.48 – 34.00%; ECI (Efficiency of Conversion of Ingested food)
1.41 – 15.00%, measured at the temperature of 28 ± 20 C and RH of 80 ± 10% in the laboratory. These
relatively high values of ECD and ECI explain at least partially the ecological success of J. almana in the
present study environment.
Keywords: Life history, Junonia almana, captive rearing, immature stages, food utilization indices.
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