Berosus sayi explained

Berosus sayi is a species of hydrophilid beetles native to the United States. It is a synonym of Berosus striatus, which was originally described by Thomas Say in 1825, and females can be characterized by a small tooth on the suture near the apex of each elytron.^{[1] [2]}

Further reading

• Book: Catalogue of Palaearctic Coleoptera, Volume 2: Hydrophiloidea - Staphylinoidea. 2015. Lobl . I.. Smetana . A.. Apollo Books. 978-90-04-29685-5.

Notes and References

1. Thomas . Say . 1825 . Descriptions of new species of coleopterous insects inhabiting the United States . Journal of the Academy of Natural Sciences of Philadelphia . 5 . 160–204.
2. The Aquatic Hydrophilidae (Coleoptera) of Mississippi . Sam . Testa III . Paul K. . Lago . 1994 . Mississippi Agricultural and Forestry Experimental Station Technical Bulletin . 193 . 5 . 1–71 . https://web.archive.org/web/20150909182146/http://www.mattpintar.com/wp-content/uploads/2015/09/Testa-Lago-1994.pdf . September 9, 2015 . dead .