Aulacigaster
Macquart, 1835
Species Guides
2Aulacigaster is a of small flies in the Aulacigastridae (order Diptera). in this genus are associated with decaying tree sap flows, where their larvae develop. The best-documented species, Aulacigaster leucopeza, has been studied for its complete postembryonic development. The genus has a limited known distribution in northern Europe.
Pronunciation
How to pronounce Aulacigaster: /ˌɔːləsɪˈɡæstər/
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Habitat
For A. leucopeza: decaying sap flows on trees, particularly oak (Quercus); occurs in soil near the base of trees. Broader -level data are not confirmed.
Distribution
Recorded from Denmark (DK), Norway (NO), and Sweden (SE).
Diet
For A. leucopeza: larvae feed on microorganisms and fermenting substances in decaying tree sap. Broader -level diet data are not confirmed.
Host Associations
- Quercus - Specific to A. leucopeza; -level associations uncertain
Life Cycle
For A. leucopeza: , three larval instars, pupa, and . Larvae develop in decaying sap flows, then leave to pupate in soil near the tree base. Broader -level data are not confirmed.
Behavior
For A. leucopeza: larvae feed within decaying sap flows; females lay in fresh sap flows on trees. Broader -level behavioral data are not confirmed.
Ecological Role
For A. leucopeza: decomposer in tree sap flow microhabitats. Broader -level ecological role data are not confirmed.
More Details
Taxonomic note
name sometimes spelled 'Aulacigasteridae' in older literature; currently accepted as Aulacigastridae.