none Nutrition; Diet; Reproduction; Reproductive behaviour; Life cycle and development; Development; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Ecology; Population dynamics; Land and freshwater zones; Neotropical region; South America; Palaearctic region; Europe Cryptocephalus anceps (Chrysomelidae); Diet; Detrivory; Food plants; Records, adults; Larval development, diet & population dynamics; Population dynamics; Larvae; Mortality; Rates; Colombia; Cali, dynamics & diet Cryptocephalus moraei (Chrysomelidae); Diet; Detrivory; Food plants; Records, adults; Larval development, hymenopteran parasites & population dynamics; Hymenopteran parasites; Ichneumonidae & Pteromalidae; Prevalence; Population dynamics; Larvae; Mortality; Rates; Germany; Berlin, dynamics, diet & hymenopteran parasites Hymenoptera; Coleopteran hosts; Cryptocephalus anceps & Cryptocephalus moraei; Prevalence in larvae; Germany; Berlin; Prevalence in coleopteran host Dimophora evanialis; Gelis acarorum; Gelis forticornis; Theroscopus esenbeckii (Ichneumonidae ); Coleopteran hosts; Cryptocephalus moraei; Prevalence in larva; Germany Psilocera punctifrons (Pteromalidae); Egg laying; Behavioural observations; Coleopteran hosts; Cryptocephalus moraei; Prevalence in larva; Germany