Penthetria
Meigen, 1803
March flies
Species Guides
2- Penthetria arizonensis
- Penthetria heteroptera(March fly)
Penthetria is a of March flies ( Bibionidae) established by Meigen in 1803. in this genus have been documented in forest , with at least one species, Penthetria holosericea, studied for its role in litter decomposition. The genus has a Holarctic distribution with records from Europe and North America. Males of some species exhibit brachypterous (shortened) wings.
Pronunciation
How to pronounce Penthetria: //pɛnˈθeɪ.tri.ə//
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Identification
Members of Penthetria can be distinguished from other bibionid by features of the male terminalia and wing venation. Males of Penthetria funebris possess brachypterous wings, a trait that aids in identification. Detailed examination of capsule structure and genital is required for definitive -level identification within the genus.
Images
Habitat
Alder forest; forest with accumulated leaf litter.
Distribution
Europe (Denmark, Norway, Sweden, Romania), North America (Vermont, United States).
Ecological Role
Contribution to litter decomposition in forest , as documented for Penthetria holosericea in alder forests.
Similar Taxa
- BibioBoth are of Bibionidae (March flies); Penthetria can be distinguished by male genitalia structure and wing characteristics.
- PleciaBoth belong to Bibionidae; Penthetria differs in morphological features of the and terminalia.
More Details
Family placement note
NCBI places Penthetria in Pleciidae, but this is not widely accepted; most sources (GBIF, Catalogue of Life, iNaturalist) recognize Bibionidae as the correct family.