The Curculionidae are the family of the "true" weevils. They are one of the largest animal families, with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae.
Sphenophorus is a genus of weevils, often known as billbugs, in the family Curculionidae, and tribe Sphenophorini. Eleven species of billbugs infest managed turfgrass in North America.
Sphenophorus piceus is a species of palm weevils in the family Curculionidae.
Geonemini is a weevil tribe in the subfamily Entiminae.
Sphenophorus maidis, or maize billbug, is a species of beetles in the family Curculionidae. It is found in North America.
Sphenophorus subulatus is a species of beetles in the family Curculionidae. It is found in North America.
Sphenophorus parvulus, commonly known as the bluegrass billbug, is a species of beetle in the family Curculionidae. It is found in North America, especially in the eastern United States. It is a pest of Kentucky bluegrass, other grasses, corn and grain crops.
Sphenophorus germari is a species in the family Curculionidae. It is found in North America.
Sphenophorus callosus, the southern corn billbug, is a species of snout or bark beetle in the family Curculionidae. It is found in North America.
Sphenophorus pontederiae is a species of snout or bark beetle in the family Curculionidae. It is found in North America.
Baris transversa is a species of flower weevil in the beetle family Curculionidae. It is found in North America.
Sphenophorus melanocephalus is a species of beetle in the family Curculionidae found in North America. Because type specimens were unavailable, the name once was misused for a different species, Sphenophorus nubilus.
Sphenophorus cicatristriatus, known generally as the Rocky Mountain billbug or Denver billbug, is a species of true weevil in the beetle family Curculionidae. It is found in North America.
Compsus auricephalus, the golden-headed weevil, is a species of broad-nosed weevil in the beetle family Curculionidae. It is native and fairly widespread across the southern U.S.A., extending through Central America in Guatemala and Mexico.
Sphenophorus compressirostris is a species of beetle in the family Curculionidae found in North America. The name should not be confused with Sphenophorus compessirostris, a name replaced with Sphenophorus cultrirostris Gyllenhal, 1838.
Sphenophorus venatus, the hunting billbug, is a species of beetle in the family Dryophthoridae. It is found in Central America and North America.
Sphenophorus nubilus is a species of beetle in the family Curculionidae. Because type specimens were unavailable, the name once was considered a junior synonym of Sphenophorus melanocephalus.
Sphenophorus immunis is a species of beetle in the family Curculionidae. Because the type specimen could not be located, the name once was considered a junior synonym of Sphenophorus venatus of authors [being itself a misinterpreted name].
Dorytomus rufus is a species of true weevil in the beetle family Curculionidae found in North America.
Sphenophorus brunnipennis is a beetle in the Dryophthoridae family.
