Rhynchitinae
Guides
Merhynchites bicolor cerdonis
Merhynchites bicolor cerdonis is a subspecies of leaf-rolling weevil in the family Attelabidae. The genus Merhynchites belongs to the tribe Merhynchitini, a group of rhynchitine weevils characterized by their association with foliage manipulation behaviors. Subspecies in this group often show geographic variation in coloration and body proportions. The specific epithet "cerdonis" indicates this is a named geographic variant of the widespread M. bicolor.
Merhynchites bicolor cockerelli
Merhynchites bicolor cockerelli is a subspecies of leaf-rolling weevil in the family Attelabidae. It is part of the Merhynchites bicolor species complex, which exhibits notable color polymorphism across its range. The subspecies epithet "cockerelli" honors the American entomologist Theodore Dru Alison Cockerell. Members of this genus are known for their distinctive elongated rostrum and association with various host plants for leaf-rolling behavior.
Merhynchites bicolor nigricephalus
Merhynchites bicolor nigricephalus is a subspecies of leaf-rolling weevil in the family Attelabidae. The species Merhynchites bicolor is known for its distinctive bicolored appearance, and this subspecies is characterized by a black head (nigricephalus = black-headed). Members of this genus are associated with various host plants where they feed and lay eggs in rolled leaves. The subspecies designation indicates geographic or morphological variation within the broader species distribution.