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VARIATIONS IN FALL EMBRYOLOGICAL DEVELOPMENT IN THREE GRASSHOPPER SPECIES1

Published online by Cambridge University Press:  31 May 2012

H. W. Moore
H. W. Moore
Affiliation:
Dominion Entomological Laboratory, Saskatoon, Sask.
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Extract

A study of embryological development in grasshopper eggs was made as a part of a general study of the effect of weather on the seasonal development of grasshoppers. The variation in the stage of development in which eggs of Melanoplus bivittatus (Say), Melanoplus mexicanus mexicanus (Sauss.), and Camnula pellucida (Scud.) entered the winters of 1941 to 1947 in different areas of the Prairie Region of Canada is presented in the following paper.

Type
Articles
Information
The Canadian Entomologist , Volume 80 , Issue 1-12 , January 1948 , pp. 83 - 88
Copyright
Copyright © Entomological Society of Canada 1948

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References

LITERATURE CITED

1.Slifer, E. H. 1932. Insect development IV. External morphology of grasshopper embryos of known age and with a known temperature history. Jour. Morph., 53: 1.CrossRefGoogle Scholar
2.Steele, H. V. 1941. Some observations on the embryonic development of Austroicetes cruciata Sauss. (Acrididae) in the field. Trans. Roy. Soc. 8th. Aust., 65: 329.Google Scholar
3.Bodine, J. H. 1932. Hibernation and diapause in certain Othoptera. III. Diapause — a theory of its mechanism. Physiol. Zool., 5: 549.CrossRefGoogle Scholar
4.Birch, L. C. 1942. The influence of temperature above the developmental zero on the development of the eggs of Austroicetes cruciata Sauss. (Orthoptera) Aust. Jour. Exp. Biol. and Med. Sci., 20: 17.CrossRefGoogle Scholar