''Lacon discoideus'' is a species of
click beetle
Elateridae or click beetles (or "typical click beetles" to distinguish them from the related families Cerophytidae and Eucnemidae, which are also capable of clicking) are a family (biology), family of beetles. Other names include elaters, sna ...
native to eastern North America.
References
Beetles described in 1801
Elateridae
{{elateridae-stub