Rostrate
Guides
Ceutorhynchini
Ceutorhynchini is a tribe of true weevils within the subfamily Baridinae of the family Curculionidae. Members of this tribe are small to medium-sized weevils with characteristic rostrate heads. The tribe contains numerous genera distributed across multiple continents, with documented diversity in North America, the Palearctic region, tropical Africa, and Asia. Several subtribes have been recognized within Ceutorhynchini, including Oxyonychina.
Metaxyphloeus
Metaxyphloeus is a genus of small rostrate beetles in the family Laemophloeidae, endemic to the New World. The genus comprises five described species distributed from southern Texas to Bolivia. Adults are characterized by their elongated heads (rostra), moderate size (~2 mm), and distinctive morphological features. Despite their distinctive appearance, the biology and immature stages remain poorly known. The function of the rostrum is currently unknown.