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Insect Identification Service

To submit insects for identification, please fill out the PDF form ARS-748 or its text (ASCII) counterpart ARS-748e and send it with your specimens to:

USDA, ARS, Systematic Entomology Lab
Communications & Taxonomic Services Unit
Building 005, Room 137, BARC-West
10300 Baltimore Ave.
Beltsville, MD 20705-2350
If you use the PDF version of form ARS-748, please also download or view online the corresponding Information & Instructions, which includes instructions for filling out the form as well as a list of the groups that SEL and its cooperating specialists are able to identify. In addition, there are instructions on specimen preparation and shipping. The information in the latter PDF file is included in the text Form ARS-748e. If you have questions not answered in these documents, please contact us at:

email:  idservice@sel.barc.usda.gov
phone: 301 504-7041