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The Relative Size of the Eye as a Phase Character in the African Migratory Locust

Published online by Cambridge University Press:  10 July 2009

J. G. Thomas
J. G. Thomas
Affiliation:
Imperial Institute of Entomology.
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Extract

The relative size of the compound eye constitutes a good phase character in Locusta migratoria migratorioides, the ratio E/D (length of elytra to the maximum vertical diameter of eye) being over 15 in the males and about 16 in females of the gregarious phase, as against about 13 in the males and about 14·5 in the females of the solitary phase.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 31 , Issue 4 , January 1941 , pp. 431 - 433
Copyright
Copyright © Cambridge University Press 1941

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References

Bernard, F., (1937). Recherches sur la morphogénèse des yeux composés d'arthropodes. Développement. Croissance. Réduction.—Bull. biol. Fr. Belg. Suppl. 23, 162 pp., 6 pls., 20 figs.Google Scholar
Kennedy, J. S. (1939). The behaviour of the Desert Locust (Schistocerca gregaria (Forsk.)) (Orthopt.) in an outbreak centre.—Trans. R. Ent. Soc. Lond. 89 pp.385–542, 9 pls., 37 figs.CrossRefGoogle Scholar