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Eucnemidae, or false click beetles, are a family of elateroid beetles based on the type genus Eucnemis; they include about 1700 species, distributed worldwide.
Alaus oculatus can reach a length of about 25–45 millimetres (1.0–1.8 in). [2] They have an elongated body, black in color throughout. The pronotum exhibits a large oval patch of darker scales, framed in white, on each side - the common name of the beetle derives from this feature.
When a click beetle bends its body, the peg snaps into the cavity, causing the beetle's body to straighten so suddenly that it jumps into the air. [ 5 ] Most beetles capable of bioluminescence are in the Elateroidea, in the families Lampyridae (~2000 species), Phengodidae (~200 species), Rhagophthalmidae (100 species) and Elateridae (>100 species).
Click beetle larvae, called wireworms, are usually saprophagous, living on dead organisms, but some species are serious agricultural pests, and others are active predators of other insect larvae. Some elaterid species are bioluminescent in both larval and adult form, such as those of the genus Pyrophorus .
Melasis is the type genus of false click beetles of subfamily Melasinae and tribe Melasini. It contains fourteen species, native to North America and parts of Europe, four of which can be found in the Nearctic realm. [1]
Elateriformia is an infraorder of polyphagan beetles. The two largest families in this group are buprestids, of which there are around 15,000 described species, and click beetles, of which there are around 10,000 described species. The infraorder consists of six superfamilies: [1] Buprestoidea — the metallic wood-boring beetles
Some genera, such as Pseudeuanoma and Euanoma, were moved to the click beetle subfamily Omalisinae. A 2019 study presented the first densely sampled molecular phylogeny of Drilini based on nuclear and mitochondrial markers, recovering 5 major clades well supported by morphology along with several new genera and species.
Aulonothroscus punctatus is a species of small false click beetle in the family Throscidae. It is found in North America. [1] [2] [3] References