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ARS Collection of Entomopathogenic Fungal Cultures (ARSEF)

The Agricultural Research Service Collection of Entomopathogenic Fungal Cultures is the world's largest, most kaleidoscopic, and most comprehensive collection of living cultures of fungi that are pathogenic to or associated with insects, spiders, mites, ticks, and other invertebrates. Some isolates in the collection are not themselves invertebrate pathogens but are critically important for the improvements of taxonomies and systematics for the many diverse groups of fungi represented here. As of July 2016, ARSEF maintains more than 13000 isolates of more than 700 taxa of fungi isolated from 1300 hosts collected at more than 2400 locations on every continent.

The database is searchable by Fungi, Hosts, Locations, Provenance, or Accessions. Results are provided in PDF format.

Catalog files are in the Adobe Acrobat (PDF) format and are readable with the Adobe Acrobat Reader.

All catalogs and live searches of isolate data incorporate the most current supportable taxonomies for ARSEF fungi. Significant changes in the nomenclatural rules for many fungi have a large and ongoing impact on the entomopathogens in the order Hypocreales. These changes are discussed the introductory material in the catalogs.

If you are unsure about the most current identifications for isolates, online searches of ARSEF accessions return taxonomic information in the collection database at the moment of the search.

Dataset Info

These fields are compatible with DCAT, an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web.
U.S. Department of Agriculture, Agricultural Research Service, Biological Integrated Pest Management Research Unit
Product Type
Temporal Coverage
U.S. Department of Agriculture, Agricultural Research Service
Contact Name
Castrillo, Louela
Contact Email
Public Access Level
Related Content
Dataset DOI (digital object identifier)
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:18 - Agricultural Research Service
Modified Date
Release Date
Ag Data Commons Keywords: 
  • Plants & Crops
  • Plant health
  • Genomics & Genetics
  • Plants & Crops
  • Online database
ISO Topic(s):