Crassana
DeLong & Hershberger, 1947
Species Guides
1Crassana is a of leafhoppers in the Cicadellidae, Deltocephalinae, and tribe Platymetopiini. It was established by DeLong & Hershberger in 1947. The genus is poorly documented in scientific literature, with minimal available information on , , and . As a member of the leafhopper family, in this genus are presumed to be phytophagous, feeding on plant sap via , though specific associations remain unstudied. The genus appears to be rarely collected, with only 12 observations recorded on iNaturalist.
Pronunciation
How to pronounce Crassana: /krəsˈsɑːnə/
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Identification
Crassana can be distinguished from other Platymetopiini by characteristics of the male genitalia, particularly the structure of the and subgenital plates, as is typical for leafhopper . The genus name suggests a robust or thickened body form (from Latin 'crassus' meaning thick or fat), though specific morphological features distinguishing it from related genera such as Platymetopius require examination of .
Distribution
The precise geographic range of Crassana is poorly documented. Based on the authorship by North American entomologists DeLong and Hershberger, the likely occurs in North America, though specific country or regional records are not readily available in accessible literature.
Similar Taxa
- PlatymetopiusBoth Crassana and Platymetopius belong to the tribe Platymetopiini and share similar general body plans; they are distinguished primarily by male genitalia .
- DeltocephalusDeltocephalus is in the same (Deltocephalinae) but different tribe; it generally has a more elongated body form and different shape compared to the presumably more robust Crassana.
More Details
Taxonomic History
Crassana was described by DeLong & Hershberger in 1947. The has received limited taxonomic attention since its original description, and no comprehensive revisions or -level treatments are readily available in modern literature. The type species and number of included species are not clearly documented in accessible sources.
Data Deficiency
This exemplifies the 'dark ' problem in entomology—taxa that are formally described but lack subsequent study, digital records, or ecological documentation. The 12 iNaturalist observations represent one of the few accessible data sources for this genus.