Click Beetle
Elater
Attracted to light at Romero Canyon, Sta. Catalina Mts., Pima Co., Arizona. 30 July 2016.
Elateridae -- Click Beetle Family
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Children are often the first to discover the curiosity of click beetles, because, very often when held in the fingers they immediately begin snapping their thoracic segments. When set down on their back and being unable to right themselves they snap again propelling themselves into a summersault to gain their feet. At night they often fly towards lights. The immature stage is a grub that inhabits the soil and are often called wire-worms. The sharp points at either posterior corner of the pronotum are usually a diagnostic feature of the many, many species of click beetles, Elateridae.