Incertellini
Genus Guides
4- Apallates
- Aphanotrigonum
- Malloewia(frit flies)
- Microcercis
Incertellini is a tribe of small flies within the Chloropidae (grass flies or frit flies), Oscinellinae. Members of this tribe are placed among the oscinelline chloropids, a diverse group of Diptera often associated with grasses and other herbaceous vegetation. The tribe encompasses multiple , though precise generic composition and diagnostic tribal boundaries remain subjects of ongoing taxonomic refinement. Incertellini represents one of several lineages within the morphologically challenging Oscinellinae, where tribal-level classification relies heavily on subtle characters of the male genitalia and chaetotaxy.
Pronunciation
How to pronounce Incertellini: /ɪnˌsɜːrˈtɛlɪnaɪ/
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Identification
Incertellini is distinguished from other Oscinellinae tribes primarily by male genitalic characters, including specific arrangements of the surstyli and epandrial structures. The tribe lacks the pronounced facial carina found in some related chloropid groups. Chaetotaxic features, particularly the arrangement of dorsocentral and acrostichal bristles on the , contribute to tribal . Identification to tribe generally requires microscopic examination of cleared specimens; field identification to this level is impractical without specialized preparation and reference to taxonomic revisions.
Images
Distribution
The tribe has been documented across multiple continents, with records from the Palearctic, Nearctic, and Oriental regions. Specific distribution patterns vary by constituent .
Similar Taxa
- OscinelliniShares Oscinellinae and similar general habitus; distinguished by male genitalic , particularly surstylus structure and epandrial shape, as well as subtle differences in scutal chaetotaxy.
- EurininiAnother Oscinellinae tribe with overlapping distribution and preferences; separated by genitalic and bristle characters, with Eurinini often showing more pronounced modifications to the hypopygium.
More Details
Taxonomic status
The tribal classification of Oscinellinae, including the limits of Incertellini, has undergone significant revision. Some authors have questioned the stability of current tribal boundaries based on molecular and morphological data. The Catalogue of Life currently recognizes Incertellini as an accepted tribe.
Observation data
iNaturalist records 184 observations attributed to Incertellini, though these are likely identified to tribe based on consensus rather than verified diagnostic examination, given the technical difficulty of field identification.