Université de Fribourg

Two shoot-Miners, Ceutorhynchus alliariae and Ceutorhynchus roberti, sharing the same fundamental niche on garlic mustard

Gerber, Esther ; Hinz, Hariet L. ; Blossey, Bernd ; Bacher, Sven

In: Environmental Entomology, 2012, vol. 41, no. 5, p. 1086-1096

A combination of observational and experimental methods, in both the laboratory and field, were used to assess niche partitioning between Ceutorhynchus alliariae Brisout and C. roberti Gyllenhal (Coleoptera: Curculionidae), two coexisting shoot-boring weevils on garlic mustard, Alliaria petiolata (M. Bieb.) Cavara and Grande (Brassicaceae). We compared their morphology, oviposition behavior,...