Euceros
Gravenhorst, 1829
Euceros is a of ichneumonid wasps in the Eucerotinae, containing approximately 48 described . The genus was historically placed in Tryphoninae but is now recognized as sister to Barronia. At least some species are hyperparasitoids, with E. frigidus documented as attacking the Neodiprion swainei in Canadian jack pine forests.
Pronunciation
How to pronounce Euceros: /juːˈsɛroʊs/
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Images
Distribution
Primarily Holarctic, with records from Denmark, Norway, Sweden, and Quebec, Canada. One occurs in Australia and one in Madagascar.
Host Associations
- Neodiprion swainei - primary (hyperparasitoid)Documented for E. frigidus in Quebec jack pine forests
Life Cycle
Possesses a planidial larval stage; documented in E. frigidus.
Behavior
Hyperparasitic; at least some attack .
Ecological Role
Hyperparasitoid contributing to mortality of forest .
Similar Taxa
- BarroniaSister ; closely related within Eucerotinae
- Tryphoninae generaEuceros was historically misplaced in this ; distinguished by subfamily-level characters
More Details
Taxonomic history
Previously classified in Tryphoninae by Townes; now placed in Eucerotinae
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Illustrated notes on the biology of two European species of Euceros Gravenhorst (Hymenoptera: Ichneumonidae: Eucerotinae)
- The Biology of a Hyperparasite,Euceros frigidusCress. (Ichneumonidae) and Description of the Planidial Stage