Kauaʻi record · KCA-IA-00580
Arciellia xanthopleura
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About Arciellia xanthopleura
Arciellia xanthopleura is a member of Dolichopodidae in the order Diptera. Its recorded origin status on Kauaʻi is endemic — kauaʻi.
Arciellia xanthopleura is a Kauaʻi-endemic long-legged fly documented from Pihea Trail in montane wet forest. Long-legged flies are generally predatory as adults, hunting small arthropods on vegetation, soil, or wet surfaces. Larvae often occur in moist soil, decaying plant material, or aquatic margins. On Kauaʻi, observations are most useful when they record exact wet/forest microhabitat, elevation/locality, sex, and diagnostic genital/wing characters where needed. Where island-specific host, prey, breeding-site, abundance, or seasonal information is not yet firmly documented, those details should remain tied to direct specimens and field observations rather than inferred from populations elsewhere.
Kauaʻi occurrence evidence: 2009 Bishop Museum specimen table records Arciellia xanthopleura from Pihea Trail, Kauaʻi (3500 ft); Evenhuis 2005 places it in Arciellia.
The cited occurrence evidence does not by itself establish current abundance or population trend on Kauaʻi.
Life cycle
Egg; larva; pupa; adult.
Habitat
Vegetation, stream margins, seeps, wet rock, soil, or forest surfaces depending on species.
Food and ecological role
Adults usually prey on small arthropods; larval feeding is often predatory or scavenging.
Reproduction
Eggs are placed in moist substrates suitable for larvae.
Movement
Adults are agile fliers; some endemic lineages occupy very restricted wet habitats.
Ecosystem role
Small-arthropod predator in terrestrial and riparian food webs.
Threats and impacts
Narrow wet-habitat endemics may be sensitive to hydrologic and microclimatic change.
Monitoring
Record exact wet/forest microhabitat, elevation/locality, sex, and diagnostic genital/wing characters where needed.
Names and classification
- Scientific name
- Arciellia xanthopleura
- Family
- Dolichopodidae
- Order
- Diptera
- Record type
- species
Kauaʻi occurrence and status
- Kauaʻi occurrence
- Present
- Origin
- Endemic — Kauaʻi
- Conservation status
- Not assessed
Process and seasonal context
- Seasonal description
- Arciellia xanthopleura is a member of Dolichopodidae in the order Diptera. Its recorded origin status on Kauaʻi is endemic — kauaʻi.