Coleoptera are invertebrates that include the beetles, with an estimated 400,000 living species. The Order Coleoptera evolved about 295 million years ago, based on current evidence. Characteristics of Coleoptera generally include a hard exoskeleton including the elytra (hardened forewings) and membranous hindwings.
Kingdom: Animalia
-Phylum: Arthropoda
–Class: Insecta
—Order Coleoptera
I have photographed 1 species of Coleoptera so far:
–Lined June Beetle (Polyphylla hammondi)