butterfly museum and lab

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Butterflies are fascinating insects that undergo complete metamorphosis. They start as eggs laid on plants by adult butterflies, hatch into caterpillars that eat voraciously, then pupate into chrysalises before emerging as colorful winged adults. The Butterfly Biology LAB & Entomology Museum provides hands-on activities and exhibits to teach visitors about butterfly life cycles, habitats, and the importance of conservation.

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Butterfly Biology LAB & Entomology Museum (239)

More from Dr Palem Harinath Reddy

The Common Banded Awl, Hasora chromus is univalent and seasonal and endangered in Southern Andhra Pradesh. It was on wing from April to Nov and breeds almost with high frequency during the periods of monsoon and post monsoon seasons. The development from egg to adult was 18 – 24 days. There was no dormant stage in the life history. Success development of egg, larvae and pupae was 50 - 90 %, 50 – 80 % and 50 - 80 % during the said period. Short life cycle and high success development of life stages suggest the production of 8 - 9 broods in the season. Nutritional indices growth rate (GR), consumption index (CI) and approximate digestibility(AD) decreased as the larvae aged, while those of efficiency of conversion of digested food (ECD) and efficiency of conversion of ingested food (ECI) were increased.

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In the environs of Lankamalai region (14°45' - 14°72' N and 79°07' - 78°80' E), the common pierrot Castalius rosimon (Fabricius) lays eggs singly on Zizyphus jujuba. The butterfly available thought the year with high frequency during September to November (post monsoon season). Enumeration of eggs, larvae and pupae on the host plants in the field and flight observation of adults on wings attest this seasonality. The life cycle from egg to adult emergence was relatively short spanning over 21-25 days. Success development of adults, larvae and pupae was 90-100 % during the said period. Short life cycle and high success development of life stages suggest the production of 12-13 broods in the year. The larvae pass through four instars and the nutritional indices across the instars mostly the ground flora with sugar concentrations ranging between 28-52% either with sucrose of glucose dominance. Nutritional indices Consumption index (CI) and Growth rate (GR) increase as the larvae aged, while approximate digestibility (AD) decreases, efficiency of conversion of digested food (ECD) and efficiency of conversion of ingested food (ECI) are inversely related as age increased.

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The Joker butterfly, Byblia ilithyia was multivoltine, and breeds almost throughout the year with high frequency during the periods from September to December. The life cycle from egg to adult emergence was relatively short spanning over 22 - 27 days. Successful development of adults, larvae and pupae are from 80 – 100% during the said period. Short life cycle and high success development of life stages suggest the production of 12 -13 broods in the season. The different stages from egg to adult emergence of Byblia ilithyia on Tragia plukentii was discussed in detail. Nutritional indices consumption index (CI) and approximate digestibility (AD) increase as the larvae aged, while growth rate (GR) increases, efficiency of conversion of digested food (ECD) and efficiency of conversion of ingested food (ECI) are inversely related as age increased.

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