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- Title
Effect of Refrigeration of the Pupæ of Microbracon brevicornis Wesm. on the Pigmentation of the Adult.
- Authors
NARAYANAN, E. S.; ANGALET, G. W.; SUBBA RAO, B. R.; D'SOUZA, G. I.
- Abstract
DURING the course of mass breeding of Microbracon brevicornis in the parasite laboratory of the Entomology Division of this Institute for the purpose of exporting them to the United States of America for the control of pink boll worm in the cotton belt of that country, it was necessary to maintain a stock of pupæ of the parasite in cold storage at a temperature of 10 ± 3° C. It was observed that the adults emerging from the chilled pupæ which had been in cold storage from 10 to 75 days showed dark pigmentation ranging from dark grey to jet black, as against the distinctly brown individuals obtained from unchilled pupæ.
- Publication
Nature, 1954, Vol 173, Issue 4402, p503
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/173503b0