01444nas a2200169   4500008004100000020001400041245009000055210006900145260001300214300001200227490000700239520084900246653002401095100002101119700002501140856010901165       2011                        eng d  a0015-404000aNatural History of the Crambe feeder, Lixus circumcinctus (Coleoptera: Curculionidae)0 aNatural History of the Crambe feeder Lixus circumcinctus Coleopt  cDecember  a987-9920 v943 aField investigations showed that Lixus circumcinctus Boheman 1835 (Coleoptera: Curculionidae) is a major herbivore species living on Crambe orientalis in northeastern Anatolia and on Crambe tataria in central Anatolia. Adults hibernate in the root crown of host plants. They associate with their hosts in the spring, feed on leaves, young stems and buds, and lay solitary eggs in the stem and lower leaves of petiole. Larvae open galleries oriented downward toward the root crown. Mature larva make a pupal case using plant fibers at the end of gallery, and pass the pupal stage in the late summer. Second generation adults appear in early autumn, overwinter in the same niche, and complete one generation a year. Crambe orientalis harbors 7 species of weevils in eastern Turkey, and Crambe tataria harbors 8 weevil species in central Anatolia.10aLixus circumcinctus1 aGultekin, Levent1 aKorotyaev, Boris, A.  uhttps://weevil.myspecies.info/natural-history-crambe-feeder-lixus-circumcinctus-coleoptera-curculionidae