S. 1751 (119th)Bill Overview

STOP Screwworms Act

Agriculture and Food|Agriculture and Food
Cosponsors
Support
Lean Republican
Introduced
May 14, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The bill directs the Secretary of Agriculture to begin construction within 180 days of one or more modular facilities to rear and disperse sterile New World screwworm flies in areas at risk. It defines eligible areas, requires an annual publicly available report to congressional agriculture committees on threats and program effectiveness, and authorizes $300 million in appropriations to carry out the program.

Why people may split

Fiscal scope: conservatives worry about cost, liberals emphasize safeguards

Watch point

Relative to its intended legislative type, this bill creates a new statutory authority and funding stream to establish and operate New World screwworm fly rearing and dispersal facilities, with basic timelines and annual reporting.

The bill directs the Secretary of Agriculture to begin construction within 180 days of one or more modular facilities to rear and disperse sterile New World screwworm flies in areas at risk.

It defines eligible areas, requires an annual publicly available report to congressional agriculture committees on threats and program effectiveness, and authorizes $300 million in appropriations to carry out the program.

Passage60/100

Technically focused, low controversy, and constituencies benefit, but actual funding and implementation logistics are gating factors.

CredibilityPartially aligned

Relative to its intended legislative type, this bill creates a new statutory authority and funding stream to establish and operate New World screwworm fly rearing and dispersal facilities, with basic timelines and annual reporting. It provides clear authorization and a deadline to begin construction, but leaves substantive operational, technical, environmental, and programmatic specifics to post-enactment implementation by the Secretary.

Contention34/100

Fiscal scope: conservatives worry about cost, liberals emphasize safeguards

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
CitiesFederal agencies · Local governments

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Potential benefitReduces risk of screwworm infestations, protecting livestock health and agricultural production.
  • Potential benefitCreates construction and operational jobs for facility buildout and ongoing staffing.
  • CitiesBuilds domestic capacity for sterile insect production, reducing reliance on foreign suppliers.
Likely burdened
  • Federal agenciesAuthorizes $300 million federal spending, increasing budgetary commitments for this program.
  • Potential burdenOngoing operational and maintenance costs may exceed the one-time appropriation, requiring future funding.
  • Local governmentsLocal communities may raise environmental or public concern about releasing sterilized flies nearby.
03 · Why people split

Why the argument around this bill splits.

Fiscal scope: conservatives worry about cost, liberals emphasize safeguards
Progressive75%

Overall supportive of actions to protect agricultural workers, animals, and ecosystems from an invasive livestock pest, but cautious about implementation details.

Views sterile insect technique as a potentially lower-impact alternative to pesticides, while wanting strong environmental and community safeguards and transparency.

Will watch for assurances about worker protections, environmental review, and equitable impacts on rural communities.

Leans supportive
Centrist65%

Generally favorable but pragmatic: supports the public health/agriculture rationale while seeking fiscal and programmatic accountability.

Wants evidence that the sterile insect approach is cost-effective, scalable, and can be implemented without major regulatory or environmental problems.

Seeks clear benchmarks, timeline, and oversight to justify the $300 million authorization.

Split reaction
Conservative80%

Likely supportive because it protects domestic agriculture and livestock, priorities for rural and farm constituencies.

Concerned about federal spending growth and administrative cost, but may accept targeted investment for biosecurity.

Prefers state partnership, efficient operation, and accountability to avoid permanent cost increases.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood60/100

Technically focused, low controversy, and constituencies benefit, but actual funding and implementation logistics are gating factors.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Whether appropriations will be provided for the $300M authorization
  • Realistic cost and timeline to construct and operate facilities
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Fiscal scope: conservatives worry about cost, liberals emphasize safeguards

Technically focused, low controversy, and constituencies benefit, but actual funding and implementation logistics are gating factors.

Unlocked analysis

Relative to its intended legislative type, this bill creates a new statutory authority and funding stream to establish and operate New World screwworm fly rearing and dispersal facilities, with basic timelines and annua…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis