Genetic Relationships between Two Sibling Species of Bark Beetle (Coleoptera: Scolytidae), Jeffrey Pine Beetle and Mountain Pine Beetle, in Northern California1

Autor:	M. W. Stock, P. K. Higby
Rok vydání:	1982
Předmět:	Bark beetle animal structures biology Ecology fungi food and beverages Genetic relationship biology.organism_classification complex mixtures Gene flow Dendroctonus jeffreyi Genetic similarity Sibling species Insect Science Jeffrey pine Mountain pine beetle
Zdroj:	Annals of the Entomological Society of America. 75:668-674
ISSN:	1938-2901 0013-8746
DOI:	10.1093/aesa/75.6.668
Popis:	The genetic relationship between two sibling bark beetle species from northern California, the Jeffrey pine beetle, Dendroctonus jeffreyi Hopkins, and the mountain pine beetle, D.ponderosae Hopkins, was examined by electrophoresis. The genetic differences found between the Jeffrey pine beetle and the mountain pine beetle support their current designation as separate species. Two gene loci were fixed for different alleles in the two groups and provide strong evidence that gene flow does not occur between them. At several other loci, less striking but nevertheless significant differences were observed. The level of overall genetic similarity between the Jeffrey pine beetle and the mountain pine beetle was much lower than that found between conspecific populations of either group.
Databáze:	OpenAIRE
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