International Assistance and Letters of Invitation

International attendees planning to attend Entomology 2025 may need to obtain a Visa for travel into the United States.

*Due to staff limitations at the US Department of State, Visa approvals may be delayed. We strong suggest all speakers requiring a visa to enter the US apply no later than August 31, 2025. All accepted international speakers will receive a personalized letter of invitation via e-mail that will include their presentation title, tentative speaking date, time, and location within that letter by August 15, 2025.

Obtaining US Visas to attend Entomology 2025 (a scientific conference):

In general, Entomology 2025 international attendees will need a Business (B-1) Visa to enter the US. Learn more about B-1 Visas.

Learn about the Visa requirements to enter the US and begin your application 

Request a Letter of Invitation

Start your B-1 Visa application

Not sure what type of Visa you need? Complete the Visa Wizard to the find the correct one.

Visa Waiver Program (VWP):

A program run independently by the US State Department, the Visa Waiver Program enables most citizens or nationals of participating countries to travel to the US without first obtaining a Visa. This includes travel to attend a scientific conference. View more information as well as a full list of requirements (including passport and ESTA) and an updated list of participating countries.

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