Screwworm Tracker icon
Screwworm Tracker

See a suspicious wound?
Get it to the right expert
in minutes, not days.

Free app for ranchers, vets, and wildlife workers tracking the New World Screwworm outbreak at the US-Mexico border.

Download on the App Store
Works offline Bilingual EN/ES Free forever No ads
Screwworm Tracker map showing outbreak alerts near the US-Mexico border

84 days.

That's how long it took to identify screwworm in Florida in 2016.

New World Screwworm killed 135 endangered Key deer before anyone confirmed what it was. No digital tool existed to get a wound photo from the field to an expert.

In 2026, screwworm is back — 161,400+ animal cases at the US-Mexico border, active within 70 miles of Texas. USDA committed $850M to respond.

Screwworm Tracker closes the gap: photograph, assess, submit — from the pasture, with or without cell signal.

Report in 3 steps, right from the pasture.

No paperwork. No phone calls. No waiting for office hours.

Capture screen showing camera prompt
1

Photograph

Take a photo of the wound. The app records GPS coordinates automatically.

Self-assessment checklist with diagnostic questions
2

Assess

Walk through a visual checklist. You don't need to be an expert — the app guides you.

Assessment results showing triage recommendation
3

Submit

Your report goes directly to your state veterinarian with photos, location, and assessment attached.

Everything you need. Nothing you don't.

Built for the field, not the office.

Live Outbreak Map

Official APHIS alerts plus news activity. See where screwworm is trending near you. Cluster bubbles show article density at a glance.

Works Offline

Full operation with zero cell signal. Take photos, complete the assessment, save your report. Everything syncs when you're back in range.

Proximity Alerts

"How close is it?" answered at a glance. Distance, compass direction, and date of the nearest screwworm activity.

Reference Guide

Side-by-side larva comparisons, wound photos, specimen collection instructions. All available offline.

Bilingual

Full app in English and Spanish. News articles translated automatically. Distances in kilometers for Spanish users.

Free & Private

No subscription. No ads. No in-app purchases. Map observations anonymized to county level. Account deletion purges all your data.

News feed showing classified articles with severity badges
Reference guide with identification topics and training quiz

Built for the people closest to the problem.

Ranchers & Livestock Producers

"Is it near me? What do I do if I find something?" Speed, simplicity, and it works where you work — even without cell signal.

Large-Animal Veterinarians

Structured FAD report generation, specimen collection protocol, and NVSL submission guidance. Clinical decision support in the field.

Extension Agents

A tool you can recommend to your producers. Bilingual, easy onboarding, free. No training required — the app walks them through it.

Concerned Citizens

Track the outbreak without filing a report. Live map, news feed, and proximity alerts give you situational awareness in your area.

Reporting doesn't mean quarantine.

We know reporting hesitation is real. Here's what you should know.

Submitting a report does NOT automatically trigger quarantine.

The app says this explicitly. Early reporting saves livestock and livelihoods.

Only USDA can confirm screwworm.

This app triages — the National Veterinary Services Laboratories confirms. False alarms are expected and welcome.

Your identity is protected.

Map observations are anonymized to county level. No other users see your name or exact location.

Aligned with USDA.

Reports route to state veterinarian offices. Links directly to screwworm.gov and the APHIS emergency hotline (866-536-7593).

No data extraction.

This app exists to help you, not to collect data on your operation. Account deletion purges all your data.

Get the app. Be ready.

Free on the App Store. No account required to browse the map and news feed.

screwworm.gov App Store APHIS Hotline: 866-536-7593 Privacy Policy Support

Built by Doug Morrow · Not affiliated with USDA · Contact