caa a22 4500 397571615 CHVBK 20180308164843.0 cr unu---uuuuu 161202e19961001xx s 000 0 eng 10.1093/ee/25.5.1167 doi (NATIONALLICENCE)oxford-10.1093/ee/25.5.1167 Carbon Isotopic Signatures of Elytra Reflect Larval Diet in Luperine Rootworms (Coleoptera: Chrysomelidae) [Elektronische Daten] [Douglas W. Tallamy, John D. Pesek] Larval host associations in luperine rootworm beetles (Chrysomelidae), including the many pest species in the subtribes Diabroticina and Aulacophorina, remain largely unknown because adults often feed on plant species and families other than those favored for larval development. Because important questions concerning the evolutionary origins, systematic relationships, and pest management of luperine rootworms require knowledge of their larval host associations, techniques that enable inference of larval host use from adult structures are needed. Using spotted cucumber beetle, Diabrotica undecimpunctata howardi Barber, and striped cucumber beetle, Acalymma vittatum (F.), as model species, this study confirms that the stable carbon isotopic signature of adult e1ytra(the ratio between 13Cand 12C isotopes, expressed as δ13C)accurately reflects whether an individual consumed C3 plants throughout its life, C3 plants as a larva and C4 plants as an adult, or C4 plants exclusively. The study also demonstrates that, because the δ13C of elytra is unaffected by time, easily accessible museum specimens can be used for δ13C assays. © 1996 Entomological Society of America Physiological and Chemical Ecology nationallicence Diabrotica nationallicence Acalymma nationallicence rootworms nationallicence Luperini nationallicence stable carbon isotopes nationallicence larval hosts nationallicence Tallamy Douglas W. Delaware Agricultural Experiment Station, College of Agricultural Sciences, University of Delaware, Newark, DE 19717-1303 aut Pesek John D. Delaware Agricultural Experiment Station, College of Agricultural Sciences, University of Delaware, Newark, DE 19717-1303 aut Environmental Entomology Oxford University Press 25/5(1996-10-01), 1167-1172 0046-225X 25:5<1167 1996 25 ee https://doi.org/10.1093/ee/25.5.1167 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1093/ee/25.5.1167 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tallamy Douglas W. Delaware Agricultural Experiment Station, College of Agricultural Sciences, University of Delaware, Newark, DE 19717-1303 aut NATIONALLICENCE 700 1- Pesek John D. Delaware Agricultural Experiment Station, College of Agricultural Sciences, University of Delaware, Newark, DE 19717-1303 aut NATIONALLICENCE 773 0- Environmental Entomology Oxford University Press 25/5(1996-10-01), 1167-1172 0046-225X 25:5<1167 1996 25 ee Metadata rights reserved CC BY-NC-4.0 http://creativecommons.org/licenses/by-nc/4.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-oxford