Cryptorhynchinae
Guides
Apteromechus
hidden snout weevils
Apteromechus is a genus of weevils in the family Curculionidae, commonly referred to as hidden snout weevils. The genus was described by J. Faust in 1896 and contains more than 20 described species. Members belong to the subfamily Cryptorhynchinae, a group characterized by their ability to fold their rostrum into a ventral groove. The genus is part of the diverse weevil fauna found across various regions.
Eubulus bisignatus
hidden snout weevil
Eubulus bisignatus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by Thomas Say in 1832. It belongs to the subfamily Cryptorhynchinae, a group characterized by their ability to retract their rostrum into a ventral groove. The species has been documented in parts of North America including Ontario and Québec, Canada.
Sternochetus
Sternochetus is a genus of weevils in the family Curculionidae, subfamily Cryptorhynchinae. The genus contains at least three described species, including Sternochetus mangiferae (mango seed weevil), Sternochetus frigidus (mango pulp weevil), and Sternochetus olivieri. These species are economically significant pests of mango (Mangifera indica) and related species. Adults are compact weevils with a characteristic habit of pressing their legs to their body and fitting their beak into a ventral groove when disturbed. The genus was established by Pierce in 1917, with some species previously described under Curculio.
Sternochetus mangiferae
mango seed weevil, mango stone weevil, mango weevil
A compact weevil in the subfamily Cryptorhynchinae, Sternochetus mangiferae is a significant pest of mango (Mangifera indica). Adults measure 7.5–9.5 mm in length and 4 mm in width. The species completes its entire immature development inside mango seeds, with larvae and pupae developing within the fruit. Adults are weak fliers and typically remain near fallen fruit; new infestations spread primarily through human transport of infested fruit.
Tyloderma angustulum
hidden snout weevil
Tyloderma angustulum is a species of hidden snout weevil in the family Curculionidae. It belongs to the subfamily Cryptorhynchinae, a group known for their habit of tucking their rostrum into a ventral groove, concealing the mouthparts. The species has been documented in the United States.