Penniverpa
Irwin & Lyneborg, 1981
Species Guides
2Penniverpa is a of stiletto flies in the Therevidae, established by Irwin & Lyneborg in 1981. The genus comprises approximately 14 described distributed in the New World. A 2008 revision recognized 13 species, including eight newly described species, and resolved several taxonomic synonymies and new combinations. Species in this genus are distinguished by morphological features, particularly of the male genitalia.
Pronunciation
How to pronounce Penniverpa: //ˌpɛnɪˈvɛrpə//
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Identification
-level identification relies on examination of male genitalia structures; a diagnostic key was provided in the 2008 revision by Webb. External alone is generally insufficient for distinguishing between species. The belongs to the Therevinae within the stiletto fly .
Images
Distribution
New World (Americas). Specific distributions vary by ; distribution maps were provided for each species in the 2008 revision.
Similar Taxa
- InsulatitanPenniverpa longipes was transferred to this , indicating historical confusion between these genera requiring careful examination of .
- PsilocephalaPsilocephala gracilis was transferred to Penniverpa, showing these share morphological similarities that necessitate detailed genitalic examination for correct placement.
More Details
Taxonomic revision
The most comprehensive treatment is Webb 2008 (Zootaxa 1720), which revised the , described eight new , and established new synonymies and combinations.
Species count discrepancy
Sources cite approximately 14 , while the 2008 revision recognized 13 species; this minor discrepancy likely reflects subsequent additions or taxonomic changes after publication.