Trieces arcuatus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Ichneumonidae
- genus: Trieces
- species: Trieces arcuatus
Chillum- Langley Park
- Silver Spring
- Takoma Park
Maryland
United States
Trieces arcuatus Chillum Langley Park Silver Spring Takoma Park