Xanthocaecilius quillayute
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Psocodea
- family: Paracaeciliidae
- genus: Xanthocaecilius
- species: Xanthocaecilius quillayute
- West Concord
Massachusetts- Cayuga Heights
- East Ithaca
- Ithaca
- Northeast Ithaca
New York
United States