Larval morphology of Phratorakoreana Takizawa, 1985 with a key to the larvae of the Palaearctic Phratora species (Coleoptera, Chrysomelidae, Chrysomelinae)

摘要

The first and third instar larvae of Phratorakoreana Takizawa, 1985 are described and illustrated in detail for the first time. Morphological changes in the pigmentation, tubercular pattern and defensive glands during the larval development are discussed. The life cycle and host-plant of Phratorakoreana and a key to the larvae of the Palaearctic Phratora species are also provided.