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How does a xylem-feeder maximize its fitness?
MedLine Citation:
PMID:  23146159     Owner:  NLM     Status:  In-Data-Review    
The current case study concerns evaluation of the life history of an insect species living in a demanding habitat, namely a xylem-feeder Aredolpona rubra (Linnaeus) (Coleoptera: Cerambycidae) representing the wood-feeding guild. Growth rate, development time and body size at maturity were studied at different temperature regimes with discreteness of insect growth pattern, associated with moultings, taken into account. Moreover, the temperature effect on reproductive strategy of females was tested, and the general life history was compared with available data within the wood-feeding guild. The results show that: (i) the growth of A. rubra is slow but compensated by prolonged development; (ii) size dimorphism is probably caused by the longer development time of females; (iii) fecundity is at least partly determined by the temperature experienced during the egg-laying period; and (iv) interspecific comparisons reveal that the life strategy of a wood-feeder depends on the niche occupied within the tree, whilst its breeding strategy (whether capital or income) is controlled at a taxonomic level. Control of all the main life history traits at one time provided a unique opportunity to understand the selection pressures on A. rubra species. Moreover, comparison within a feeding guild broadens this context and identifies the sources of heterogeneity in the 'inside-wood' habitat. The knowledge so gathered may be applied to pest control in forestry science, as well as to the conservation of rare and endangered insect species living within trees.
A Walczyńska
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Bulletin of entomological research     Volume:  102     ISSN:  1475-2670     ISO Abbreviation:  Bull. Entomol. Res.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984715R     Medline TA:  Bull Entomol Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  644-50     Citation Subset:  IM    
Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.
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