''Sacodes thoracica'' is a species of marsh

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

in the family

Scirtidae Scirtidae is a family of beetles (Coleoptera). These beetles are commonly referred to as marsh beetles, as the larvae are typically associated with stagnant water, but can be found in flowing water. Adults prefer decomposing plant material near ...

. It is found in eastern and central United States and southeastern Canada.

References

Scirtoidea Articles created by Qbugbot Beetles described in 1843 {{Elateriformia-stub