Obtusicranus
Bartlett, 2006
Species Guides
1Obtusicranus is a of planthoppers in the Delphacidae, Stenocraninae. It was established by Bartlett in 2006. Members of this genus are small, delicate insects characterized by their distinctive structure with a blunt, rounded . The genus is part of the diverse Delphacidae family, which contains many economically important agricultural pests, though specific impacts of Obtusicranus are not well documented.
Pronunciation
How to pronounce Obtusicranus: /ɒbtjuːsɪˈkreɪnəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Obtusicranus can be distinguished from other Stenocraninae by its blunt, rounded (the front part of the ), which gives the genus its name—'obtusi-' referring to blunt and '-cranus' to head. The head shape contrasts with more pointed or angular frons found in related genera. Additional diagnostic features include the structure of the vertex and the arrangement of carinae (ridges) on the head, though specific details require examination of .
Distribution
of Obtusicranus have been recorded from the Neotropical region. The appears to have a distribution centered in Central and South America, though precise range boundaries remain poorly documented due to limited collecting and taxonomic study.
Ecological Role
As members of the Delphacidae, in this likely function as primary consumers in , feeding on plant vascular fluids. They probably serve as prey for various including spiders, other insects, and potentially small vertebrates. Their specific ecological roles and impacts on plant have not been studied.
Similar Taxa
- StenocranusBoth belong to Stenocraninae and share general body plan, but Stenocranus typically has a more elongate, pointed rather than the blunt, rounded frons characteristic of Obtusicranus.
- ProconiaAnother delphacid with somewhat similar habitus, but Proconia and related genera in other generally lack the specific carination and shape that define Obtusicranus.