''Ellychnia lacustris'' is a species of

firefly The Lampyridae are a family of elateroid beetles with more than 2,000 described species, many of which are light-emitting. They are soft-bodied beetles commonly called fireflies, lightning bugs, or glowworms for their conspicuous production ...

in the genus

Ellychnia ''Ellychnia'' is a genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and be ...

References

Lampyridae Beetles described in 1852 {{Firefly-stub