Browse By

General Info

water lettuce biological control


15 Images
0002015
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002016
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

a severe infestation

0002029
U.S. Geological Survey Archive
U.S. Geological Survey

distribution map

0002017
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002018
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

larva and pupa

0002019
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

mining produces characteristic tunnels

0002020
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002021
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002022
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002023
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

mass

0002024
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

larval feeding can destroy leaves

0002025
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002026
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

0002027
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

10 acre pond on before suppression at Torry Island in Lake Okeechobee

0002028
USDA Agricultural Research Service Archive
USDA Agricultural Research Service

10 acre pond after suppression at Torry Island in Lake Okeechobee