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Phase Variation and Rate of Development in the Algerian Race of the Migratory Locust (Locusta migratoria, L.)

Published online by Cambridge University Press:  10 July 2009

B. P. Uvarov  and
A. G. Hamilton
B. P. Uvarov
Affiliation:
Imperial Institute of Entomology
A. G. Hamilton
Affiliation:
Imperial Institute of Entomology
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Extract

1. The Algerian race of Locusta migratoria, L., although never known to occur in the gregarious phase in nature can be transformed into almost typical ph. gregaria by breeding in crowded cages.

2. Biometric characters of such individuals indicate a relationship of the Algerian race to the subsp. migratoria, but the data are insufficient for a final decision on this point.

3. The rate of embryonic and hopper development in the Algerian race is the same as in the tropical African subsp. migratorioides when bred at the same temperature and relative humidity.

4. The rate of sexual maturation is very much slower in the Algerian race than in the tropical one bred under the same conditions.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 27 , Issue 1 , February 1936 , pp. 87 - 90
Copyright
Copyright © Cambridge University Press 1936

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References

Faure, J. C. (1932). The phases of locusts in South Africa.—Bull. Ent. Res. 23, pp. 293–424, 25 pls., 1 map.CrossRefGoogle Scholar
Hamilton, A. G. (1936). The relation of humidity and temperature to the development of three species of African locusts.—Trans. R. Ent. Soc. London, 85, p. 1.CrossRefGoogle Scholar