| 5358599 |
black leafy spurge flea beetle |
Aphthona czwalinae |
Adult black leafy spurge beetle (Aphthona czwallinae), a biological control agent of leafy spurge (Euphorbia esula). |
| 5358598 |
flea beetles |
Aphthona spp. |
Adult leafy spurge beetle (originally described as Aphthona cyparissiae), a biological control agent of leafy spurge (Euphorbia esula). |
| 5358595 |
musk thistle head weevil |
Rhinocyllus conicus |
Seedhead of musk thistle (Carduus nutans) showing damage created by the seedhead weevil, Rhinocyllus conicus, that was introduced as a biological control agent for this noxious weed. |
| 5358601 |
flea beetles |
Aphthona spp. |
Adult leafy spurge beetle (originally described as Aphthona nigriscutis), a biological control agent of leafy spurge (Euphorbia esula). |
| 5358602 |
leafy spurge stem boring beetle |
Oberea erythrocephala |
Adult leafy spurge stem borer, Oberea erythrocephala, a biological control agent of leafy spurge (Euphorbia esula). |
| 5358600 |
copper leafy spurge flea beetle |
Aphthona flava |
Adult coppery spurge beetle (Aphthona flava), a biological control agent of leafy spurge (Euphorbia esula). |
| 5358606 |
flea beetles |
Aphthona spp. |
Dead stems of leafy spurge (Euphorbia esula) at a site in Montana where leafy spurge flea beetles (Aphthona spp.) were released as biological control agents in 1992. |
| 5358607 |
knapweed root weevil |
Cyphocleonus achates |
Adult root-boring weevil (Cyphocleonus achates), an introduced biological control agent of knapweeds (Centaurea spp.) in North America. |
| 5358609 |
lesser knapweed flower weevil |
Larinus minutus |
Adult lesser knapweed flower weevil (Larinus minutus), a biological control agent of knapweeds. |
| 5358616 |
Canada thistle stem mining weevil |
Ceutorhynchus litura |
Larvae and damage caused by the Canada thistle stem-mining weevil, Ceutorhynchus litura, a biological control agent. |
| 5358620 |
leaf beetles |
Galerucella spp. |
Sprig of purple loosestrife (Lythrum salicaria) covered with leaf beetles (Galerucella sp.), biological control agents introduced to control loosestrife. |
| 5358623 |
Mediterranean sage root crown weevil |
Phrydiuchus tau |
Adult of the root crown weevil Phrydiuchus tau, a biological control agent of Mediterranean sage (Salvia aethiopis). |
| 5358624 |
Mediterranean sage root crown weevil |
Phrydiuchus tau |
Larvae of the root crown weevil Phrydiuchus tau, a biological control agent of Mediterranean sage (Salvia aethiopis). |
| 5358625 |
puncturevine seed weevil |
Microlarinus lareynii |
Larva of the puncturevine seed weevil (Microlarinus lareynii), a biological control agent of puncturevine (Tribulus terrestris). |