Comparative ecophysiology of cold-tolerance-related traits: Assessing range expansion potential for an invasive insect at high latitude

0443719 - BC 2016 RIV US eng J - Journal Article
Lehmann, P. - Kaunisto, S. - Košťál, Vladimír - Margus, A. - Zahradníčková, Helena - Lindström, L.
Comparative ecophysiology of cold-tolerance-related traits: Assessing range expansion potential for an invasive insect at high latitude.
Physiological and Biochemical Zoology. Roč. 88, č. 3 (2015), s. 254-265. ISSN 1522-2152. E-ISSN 1537-5293
R&D Projects: GA MŠMT LH12103
Grant - others:Academy of Finland(FI) 118456; Academy of Finland(FI) 128888
Institutional support: RVO:60077344
Keywords : Leptinotarsa decemlineata
Subject RIV: ED - Physiology
Impact factor: 2.007, year: 2015

We used a comparative approach to assess the potential for range expansion from low to high latitudes in the Colorado potato beetle, Leptinotarsa decemlineata. The ecophysiological traits related to overwintering were compared in CBP and other native northern species of leaf beetles. While the northern species accumulated large amounts of differenet sugars and polyols with probable cryoprotective functions, none were detected in CBP. This lack of cryoprotectant accumulation could probbaly explain the difference in cold tolerance between the species and also suggests that a lack of physiological capacity could slow further latitudinal range expansion of CBP.
Permanent Link: http://hdl.handle.net/11104/0246405