Geographic variation within populations of Panolis flammea (Lepidoptera: Noctuidae) in Britain
- 1 February 1997
- journal article
- research article
- Published by Cambridge University Press (CUP) in Bulletin of Entomological Research
- Vol. 87 (1) , 95-99
- https://doi.org/10.1017/s0007485300036415
Abstract
Gel electrophoresis was used to study isoenzyme variation in Panolis flammea Denis Schiffermüller from a total of eight forest sites in England and Scotland dominated by either Scots or lodgepole pine. Four polymorphic loci (esterase, malate dehydrogenase, isocitrate dehydrogenase and 6-phosphogluconate dehydrogenase) were examined in adult moths. Most of the genotype frequencies conformed to Hardy-Weinberg expectations. An estimate of standardized gene frequency variance (Fst=0.109 ±0.032) indicated that there was significant genetic differentitation between populations. There was in addition a latitudinal cline in allele frequency at the 6-phosphogluconate dehydrogenase locus. The possible role of variation between P. flammea populations in contributing to regional differences in pest status is briefly discussed.Keywords
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