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Cytogenetics of Obligatory Parthenogenesis1

Published online by Cambridge University Press:  31 May 2012

Stanley G. Smith
Stanley G. Smith
Affiliation:
Forest Insect Laboratory, Sault Ste. Marie, Ontario
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Extract

The larch sawfly, Pristiphora erichsonii (Htg.), like the European spruce sawfly, Diprion (Gilpinia) hercyniae (Htg.), is an obligatoty parthenogenetic ‘species’, that is, it is endowed with the capacity of reproducing without recourse to mating. Wlde this absence of cross-fertilization with the attendant uniformity of progeny it assures renders such species ideally suited for experiments requiring the use of controls, it would at first sight appear ro preclude the adoption of conventional genetic procedures in studying them, other than by circuitous means: it is the main purpose of this contribution to suggest a possible means of circumventing the difficulty.

Type
Articles
Information
The Canadian Entomologist , Volume 87 , Issue 3 , March 1955 , pp. 131 - 135
Copyright
Copyright © Entomological Society of Canada 1955

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References

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