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Natural Control of Diprion similis, Htg., in Poland during 1936

Published online by Cambridge University Press:  10 July 2009

John Eliot Hardy
John Eliot Hardy
Affiliation:
Imperial Institute of Entomology, Farnham House Laboratory.
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Extract

During a search over Europe for species of the genus Diprion an infestation of Diprion similis was located in Poland at Orle, near Wlosclavek. The infestation was remarkable in that the prepupae which had spun up in the autumn of 1935 did not proceed with normal development in the following year, but remained in a prolonged dispause. An opportunity was thus afforded of studying at length the control exerted by biotic factors on the prepupal stage of the host sawfly.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 30 , Issue 2 , July 1939 , pp. 237 - 246
Copyright
Copyright © Cambridge University Press 1939

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References

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