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Summary
Chrysophtharta agricola (Chapuis) (Coleoptera: Chrysomelidae) is a pest of eucalypt production forests in south-eastern Australia. Biological characteristics including high fecundity and adult longevity result in the production of large numbers of offspring, despite high levels of offspring mortality from natural enemies. Collection records for C. agricola indicate a host range of over 20 eucalypt species and a geographic distribution from northern New South Wales to southern Tasmania. This paper provides estimates of foliage consumption by larvae and reviews the biology of C. agricola, including its phenology, life stages and natural enemies. Each larva eats about 347 ± 20 mm3 of juvenile E. nitens foliage during its lifetime, with the fourth instar consuming more than half of this. Predators and parasitoids can cause significant mortality in C. agricola populations in the field.
