Map Library

The Slow the Spread Map Library provides access to historical and current Gypsy Moth distribution and regulatory maps. The maps are provided in PDF or GIF format and some may be combined into ZIP files.

Grid Structure
Trapping grid structures

Krig Surface
Interpolated moth capture

Treatment Vicinity
Vicinity maps for treatments

Population Time Series
Krig Surface animated GIF (1998 - 2006)
Source: USDA Forest Service - Gypsy Moth In North America

Military Flight Routes
Military flight route maps for aerial treatment of Gypsy Moth

Aeronautical Charts
Aeronautical charts for aerial treatments of Gypsy Moth

Strip Maps
Catch and planning data at a local level

State Maps
Catch and planning data at a state wide level

Treatments by state/region

 

APHIS Quarantine
Current legal Gypsy Moth quarantine
Source: USDA APHIS - Gypsy Moth

Host Tree Distribution
Preferred tree host distribution (basal area per acre)
Source: USDA Forest Service - Gypsy Moth In North America

Defoliation
Historic Gypsy Moth defoliation survey maps
Source: USDA Forest Service - Gypsy Moth In North America.

Quarantine
Historic USFS quarantine maps
Quarantine animated GIF (1900 - 2007)
Source: USDA Forest Service - Gypsy Moth In North America.

1943 Survey
Distribution of Gypsy Moth resulting from 1943 survey

1955 Survey
Distribution of Gypsy Moth resulting from the 1955 survey

   
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