Sex-related variation in δ15N values of ground beetles (Coleoptera, Carabidae): A case study

Araujo, 2007, Using δ13C stable isotopes to quantify individual-level diet variation, Oecologia, 152, 643, 10.1007/s00442-007-0687-1 Bates, 2014, 1 Bearhop, 2004, Determining trophic niche width: a novel approach using stable isotope analysis, J. Anim. Ecol., 73, 1007, 10.1111/j.0021-8790.2004.00861.x Boggs, 2009, Understanding insect life histories and senescence through a resource allocation lens, Funct. Ecol., 23, 27, 10.1111/j.1365-2435.2009.01527.x Bolnick, 2002, Measuring individual-level resource specialization, Ecology, 83, 2936, 10.1890/0012-9658(2002)083[2936:MILRS]2.0.CO;2 Erikstad, 1989, Resource partitioning among seven carabid species on Hardangervidda, sothern Norway, Ann. Zool. Fenn., 26, 113 Gerlach, 2009, Influences of the behaviour of epigeic arthropods (Diplopoda, Chilopoda, Carabidae) on the efficiency of pitfall trapping, Soil Org., 81, 773 Gratton, 2006, Changes in δ13C stable isotopes in multiple tissues of insect predators fed isotopically distinct prey, Oecologia, 147, 615, 10.1007/s00442-005-0322-y Hengeveld, 1980, Polyphagy, oligophagy and food specialisation in ground beetles, Neth. J. Zool., 564 Horne, 1992, Respiration rates of two closely related species of carabids in Australia, Physiol. Entomol., 17, 162, 10.1111/j.1365-3032.1992.tb01194.x Hyodo, 2010, Linking aboveground and belowground food webs through carbon and nitrogen stable isotope analyses, Ecol. Res., 25, 745, 10.1007/s11284-010-0719-x Korobushkin, 2014, Isotopic niche (δ13C and δ15N values) of soil macrofauna in temperate forests, Rapid Commun. Mass Spectrom., 28, 1303, 10.1002/rcm.6903 Kurle, 2014, The effects of sex, tissue type, and dietary components on stable isotope discrimination factors (13C and 15N) in mammalian omnivores, Isotopes Environ. Health Stud., 50, 307, 10.1080/10256016.2014.908872 Lagisz, 2010, Genetic population structure of the ground beetle, Pterostichus oblongopunctatus, inhabiting a fragmented and polluted landscape: evidence for sex-biased dispersal, J. Insect Sci., 10, 10.1673/031.010.10501 Layman, 2012, Applying stable isotopes to examine food-web structure: an overview of analytical tools, Biol. Rev., 87, 545, 10.1111/j.1469-185X.2011.00208.x Lindroth, 1985 Lindroth, 1986 Mair, 2001, Predation on the slug Deroceras reticulatum by the carabid beetles Pterostichus madidus and Nebria brevicollis in the presence of alternative prey, Agric. For. Entomol., 3, 169, 10.1046/j.1461-9555.2001.00102.x Mowrey, 2012, Sex differences in behavioral decision-making and the modulation of shared neural circuits, Biol. Sex Differ., 3, 8, 10.1186/2042-6410-3-8 Negro, 2008, Habitat use and movement patterns in the endangered ground beetle species, Carabus olympiae (Coleoptera: Carabidae), Eur. J. Entomol., 105, 105, 10.14411/eje.2008.015 Newsome, 2007, A niche for isotopic ecology, Front. Ecol. Environ., 5, 429, 10.1890/060150.1 Okuzaki, 2009, Vertical heterogeneity of a forest floor invertebrate food web as indicated by stable-isotope analysis, Ecol. Res., 24, 1351, 10.1007/s11284-009-0619-0 Okuzaki, 2010, Stable isotope analysis indicates trophic differences among forest floor carabids in Japan, Entomol. Exp. Appl., 135, 263, 10.1111/j.1570-7458.2010.00987.x Ostrom, 1996, Establishing pathways of energy flow for insect predators using stable isotope ratios: field and laboratory evidence, Oecologia, 109, 108, 10.1007/s004420050064 Ponsard, 1999, Effects of several preservation methods on the isotopic content of Drosophila samples, C. R. Acad. Sci. III, 322, 35, 10.1016/S0764-4469(99)80015-8 Potapov, 2014, Seasonal and age-related changes in the stable isotope composition (15N/14N and 13C/12C) of millipedes and collembolans in a temperate forest soil, Pedobiologia, 57, 215, 10.1016/j.pedobi.2014.09.005 R Core Team, 2015 Sasakawa, 2010, Field observations of climbing behavior and seed predation by adult ground beetles (Coleoptera: Carabidae) in a lowland area of the temperate zone, Environ. Entomol., 39, 1554, 10.1603/EN10097 Sasakawa, 2010, Feeding ecology of granivorous carabid larvae: a stable isotope analysis, J. Appl. Entomol., 134, 116, 10.1111/j.1439-0418.2009.01451.x Scheu, 2000, The soil food web of two beech forests (Fagus sylvatica) of contrasting humus type: stable isotope analysis of a macro- and a mesofauna-dominated community, Oecologia, 123, 285, 10.1007/s004420051015 Schmidt, 2004, Trophic-level interpretation based on δ15N values: implications of tissue-specific fractionation and amino acid composition, Mar. Ecol. Prog. Ser., 266, 43, 10.3354/meps266043 Sunderland, 1975, The diet of some predatory arthropods in cereal crops, J. Appl. Ecol., 12, 507, 10.2307/2402171 Szyszko, 2004, Differences in locomotory activity between male and female Carabus hortensis (Coleoptera: Carabidae) in a pine forest and a beech forest in relation to feeding state, Environ. Entomol., 33, 1442, 10.1603/0046-225X-33.5.1442 Thiele, 1977 Tiunov, 2007, Stable isotopes of carbon and nitrogen in soil ecological studies, Biol. Bull., 34, 395, 10.1134/S1062359007040127 Yoshimura, 2013, Variations in stable isotope ratios of carbon (δ13C) and nitrogen (δ15N) in different body parts and eggs of adult stoneflies (Plecoptera), Physiol. Entomol., 38, 226, 10.1111/phen.12026 Zalewski, 2004, Do smaller islands host younger populations? A case study on metapopulations of three carabid species, J. Biogeogr., 31, 1139, 10.1111/j.1365-2699.2004.01097.x Zalewski, 2012, Stable isotopic research on ground beetles. Review of methods, Baltic J. Coleoptorol., 12, 91 Zalewski, 2014, High niche overlap in the stable isotope space of ground beetles, Ann. Zool. Fenn., 51, 301, 10.5735/086.051.0302