Benacus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Paraneoptera
Superordo: Condylognatha
Ordo: Hemiptera
Subordo: Heteroptera
Infraordo: Nepomorpha
Superfamilia: Nepoidea

Familia: Belostomatidae
Subfamilia: Lethocerinae
Genus: Benacus
Species: B. griseus

Benacus is a genus of giant water bug in the hemipteran family Belostomatidae.[1][2][3] Benacus is a monotypic genus, containing a single species, B. griseus, which is found in North America.[1][4][5] Benacus was formerly considered a subgenus of Lethocerus.[3]
References

"Benacus Report". Integrated Taxonomic Information System. Retrieved 2020-12-19.
Ribeiro, Jose Ricardo I.; Ohba, Shin-Ya; Pluot-Sigwalt, Dominique; Stefanello, Fabiano; Bu, Wenjun Bu; Meyin-A-Ebong, Solange E.; Guilbert, Eric (2017). "Phylogenetic analysis and revision of subfamily classification of Belostomatidae genera (Insecta: Heteroptera: Nepomorpha)". Zoological Journal of the Linnean Society. 182 (2): 319-359. doi:10.1093/zoolinnean/zlx041.
Perez-Godwyn, P.J. (2006). "Taxonomic revision of the subfamily Lethocerinae Luach & Menke (Heteroptera: Belostomatidae)". Stuttgarter Beiträge zur Naturkunde, Serie A (Biologie). 695: 1-71.
Menke, A.S. (1963). "A review of the genus Lethocerus in North and Central America, including the West Indies (Hemiptera: Belostomatidae)". Annals of the Entomological Society of America. 56 (3): 261-267. doi:10.1093/aesa/56.3.261.
Epler, John H. (2006). "Identification Manual for the Aquatic and Semi-aquatic Heteroptera of Florida" (PDF). Florida Department of Environmental Protection.