trilobite beetle (genus platerodrilus) on the floor : (pix sanjiv shukla)

trilobite beetle genus platerodrilus family lycidae females larval form larviform larvae flattened dark body large scales head trilobites larva sumatran tropical rainforests india south-east asia cosmopolitan distribution elongated beetles nectarivorus triangular long serrated antennae brick-red colour predators toxic predaceous bark leaf litter males small big order coleoptera insect hardened front wings pair wing-cases elytra ecosystems plants fungi invertebrates agricultural pests hard exoskeleton metamorphosis pupal stage camouflage forewings mandibles appendages