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FREE MATERIALS

Printable field guides, partner resources, and ready-to-share messages. Everything you need to alert your neighborhood and help stop the spread.

Section 1

Quick Print: 1-Page Field Guide

Use your browser's print function (Ctrl+P / Cmd+P) to print this section as a single-page reference. Fold it, post it, or hand it to a neighbor.

Lanternfly Watch — Field Reference

Spotted Lanternfly
Season by Season Guide

Print Tip

Press Ctrl+P or Cmd+P
to print this page

How to Identify

Wings at rest: Gray with black spots; red-orange underwings visible in flight
Size: 1 inch long; wingspan ~2 inches as adult
Nymphs: Black with white dots (early); red with black/white pattern (late)
Egg masses: Gray, putty-like patch ~1 inch long on any flat surface

Season by Season — What to Do

SpringMay – June

Black nymphs with white dots

Action: Step on them

SummerJuly – Aug

Red nymphs with black & white pattern

Action: Contact spray or step on them

Late Summer – FallJuly – Nov

Adults with gray wings + red underwings

Action: Scrape, spray, or trap

Winter – SpringOct – May

Gray egg masses on flat surfaces

Action: Scrape into rubbing alcohol

Free to print and share — lanternflywatch.com/flyer

Report sightings: lanternflywatch.com/map

Section 2

Printable Alert Flyers

Choose a flyer style and print it directly. Dark version is high-visibility for bulletin boards; light version saves ink.

How to Print

  1. 1.Click the Print button below or press Ctrl+P (Cmd+P on Mac)
  2. 2.Choose Letter paper size, portrait orientation
  3. 3.For the dark flyer: enable “Print backgrounds” in print settings — or use the Light Flyer, which prints without this option
  4. 4.Set margins to 0.5 inch for best results
Style:

Or right-click → Save as PDF

Section 3

Downloadable Materials from Partners

These organizations publish free, professionally designed SLF materials. Visit their sites and search “Spotted Lanternfly” to find their latest downloads.

Penn State Extension

SLF Homeowner Factsheet

Identification, life cycle, and management options written for homeowners. Penn State Extension is one of the leading SLF research institutions in the country.

Visit their website and search “Spotted Lanternfly” to find downloadable materials.

USDA APHIS

Official SLF Identification Guide

The federal government's official guide for identifying spotted lanternfly at every life stage, including lookalikes and reporting requirements.

Visit their website and search “Spotted Lanternfly” to find downloadable materials.

Virginia Cooperative Extension

SLF Identification Card

A compact, field-ready ID reference developed by Eric Day's entomology team at Virginia Tech — ideal for printing and carrying.

Visit their website and search “Spotted Lanternfly” to find downloadable materials.

iNaturalist

SLF Observation Guide

Learn how to document and submit SLF sightings on iNaturalist, where your observations contribute directly to scientific tracking databases.

Visit their website and search “Spotted Lanternfly” to find downloadable materials.

Section 4

Social Sharing

Pre-written messages ready to go. One share reaches dozens of neighbors.

Share to X

Pre-written post

Spotted lanternfly is spreading in my area. If you see one, step on it or report it at lanternflywatch.com — takes 60 seconds and actually helps. #SpottedLanternfly #StopTheSpread

Nextdoor Template

Copy and paste

Neighbors — spotted lanternfly (SLF) is active in our area. These invasive bugs spread fast and damage trees, crops, and gardens. If you see one: step on it, spray it with dish soap, or report it at lanternflywatch.com/map. Takes 60 seconds. Look for gray egg masses on flat surfaces (cars, rocks, furniture) from October through spring — scrape them into rubbing alcohol. More info and a free field guide: lanternflywatch.com/flyer

Copy This Post

Facebook / community groups

Heads up about spotted lanternfly in our area. These invasive insects are spreading fast and can seriously damage local trees and gardens. Here's what you can do: • Step on nymphs (small black bugs with white dots in spring, red in summer) • Spray adults with dish soap • Scrape gray egg masses into rubbing alcohol this fall/winter • Report sightings at lanternflywatch.com/map Free printable field guide and more info: lanternflywatch.com/flyer

Section 5

How to Use These Materials

Printed flyers work best when placed where people are already looking. Here's where they land.

01

Post in community spaces

Library bulletin boards, community centers, garden stores, laundromats, and HOA notice boards.

02

Give to neighbors directly

When you see SLF in a neighbor's yard, hand them a printed copy of this guide.

03

Leave on cars in parking lots

During adult season (August–October) when SLF gather on vehicles, a flyer on a windshield gets read.

04

Bring to HOA meetings

Summer and fall HOA meetings are a perfect venue — bring printed copies for the whole room.

05

Share the link digitally

Email lanternflywatch.com/flyer to local Facebook groups, Nextdoor feeds, and neighborhood listservs.

Section 6

Email Your Neighbors

A complete, pre-written email ready to send. Click the button to open it in your email client — just add addresses and hit send.

Subject line

Spotted lanternfly alert for our neighborhood

Email body includes

Season-by-season breakdown of what to look for
Specific action for each life stage
Direct link to report sightings
Link to this page for printable materials

Section 7

Get the Newsletter

Weekly SLF updates for your area — season alerts, action reminders, and the latest on the spread. Free, no spam.

No spam. One briefing/week during season. Unsubscribe anytime.

Free to Print & Share

All materials on this page are freely shareable for non-commercial educational use. No permission needed — just spread the word, not the bug. Credit: lanternflywatch.com