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- Title
Life-history studies versus genetic markers – the case of Hylochares cruentatus (Coleoptera, Eucnemidae).
- Authors
Brüstle, L.; Muona, J.
- Abstract
Recent findings in the greater Helsinki region of Hylochares cruentatus (Coleoptera, Eucnemidae), previously considered locally extinct, have shown ecological and morphological differentiation from H. cruentatus found in Russian Karelia. Despite their identical genetic constitution, differences in adult morphology, male genitalia as well as greatly differing life-history traits between the Finnish and Russian beetles prompted recognizing the Russian Hylochares as a distinct, new species: Hylochares populi n.sp., type locality Russia, Karelia, Kuganavalok. Single old specimens from Estonia and the Altai Mountains belong to the same taxon. Traditional morphological characters and life-history traits separate the two taxa, whereas the four applied genetic markers were identical, suggesting very recent diversification. The Russian H. populi lives in large soft-wooded aspen trees; H. cruentatus prefers tree- and bush-sized willows with harder wood. Conservation actions have to change focus from aspen trees to willow habitats to secure the survival of this rare beetle species in Finland.
- Subjects
HELSINKI (Finland); FINLAND; RUSSIA; BEETLES; EUCNEMIDAE; GENETIC markers; ANIMAL morphology; ANIMAL classification
- Publication
Journal of Zoological Systematics & Evolutionary Research, 2009, Vol 47, Issue 4, p337
- ISSN
0947-5745
- Publication type
Article
- DOI
10.1111/j.1439-0469.2009.00521.x