Liancalus genualis
Loew, 1861
Liancalus genualis is a of long-legged fly in the Dolichopodidae, notable as the only member of its known from eastern North America. Like other dolichopodids, it is a predatory fly. The species was described by Loew in 1861.
Pronunciation
How to pronounce Liancalus genualis: /liːˈæŋkələs dʒɛˈnjuːəlɪs/
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Identification
Distinguished from other Liancalus by its eastern North American distribution; the is otherwise primarily Palearctic. As with most dolichopodids, species-level identification typically requires examination of male genitalia.
Images
Distribution
Eastern North America. This is the sole Liancalus documented from this region.
Diet
Predatory on other small insects, consistent with known dolichopodid feeding habits.
Ecological Role
of small insects, potentially contributing to natural pest control.
Similar Taxa
- Hydrophorus speciesBoth in Hydrophorinae; Hydrophorus are associated with water surfaces, while Liancalus species occupy different microhabitats.
- Other DolichopodidaeMany small metallic predatory flies in this require careful examination to distinguish from Liancalus genualis.
More Details
Taxonomic note
The Liancalus is predominantly Palearctic in distribution; L. genualis represents a notable disjunct occurrence in the Nearctic region.