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Weed info sheet Weed Family Name Scientific Name English Common Name American Samoa Cook Islands Fiji French Polynesia Federated States of Micronesia Guam Hawaii Kiribati Marshall Islands Nauru New Caledonia Niue Northern Marianas Palau Pitcairn Islands Papua New Guinea Samoa Solomon Islands Tokelau Tonga Tuvalu Vanuatu Wallis and Futuna Weed Biocontrol Status Scientific Name Common Name Natural Enemy Biocontrol Status Impact outside Pacific on same species Priority Country Introduction Establishment Impact
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 American Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Cook Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Fiji      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Federated States of Micronesia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Guam      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Marshall Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Nauru      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 New Caledonia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Niue      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Northern Mariana Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Palau      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Cactoblastis cactorum prickly pear moth, cactus moth In Pacific on different weed medium-heavy 1 Tonga      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 American Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Cook Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Fiji      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Federated States of Micronesia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Guam      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Marshall Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Nauru      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 New Caledonia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Niue      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Northern Mariana Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Palau      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius ceylonicus velvet tree pear cochineal Outside Pacific and effective heavy 2 Tonga      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 American Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Cook Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Fiji      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Federated States of Micronesia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Guam      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Marshall Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Nauru      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 New Caledonia      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Niue      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Northern Mariana Islands      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Palau      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Samoa      
Cactaceae Opuntia monacantha drooping prickly pear, smooth tree pear                                               Has natural enemies in Pacific useful for other weeds Dactylopius opuntiae (stricta lineage from USA)   Outside Pacific and effective heavy 2 Tonga      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 Fiji      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 French Polynesia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 Guam      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 New Caledonia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 Papua New Guinea      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 Solomon Islands      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Calycomyza lantanae lantana leaf-mining fly In Pacific on different weed slight 1 Wallis and Futuna      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 Fiji      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 French Polynesia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 Guam      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 New Caledonia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 Papua New Guinea      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 Solomon Islands      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Hypena laceratalis lantana defoliator moth In Pacific on different weed slight 1 Wallis and Futuna      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 Fiji      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 French Polynesia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 Guam      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 New Caledonia      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 Papua New Guinea      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 Solomon Islands      
Verbenaceae Lantana montevidensis creeping lantana, trailing lantana, weeping lantana                                               Has natural enemies in Pacific useful for other weeds Lantanophaga pusillidactyla lantana plume moth In Pacific on different weed slight 1 Wallis and Futuna      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lypriformis caltrop stem-boring weevil In Pacific on different weed variable 1 Fiji      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lypriformis caltrop stem-boring weevil In Pacific on different weed variable 1 Federated States of Micronesia      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lypriformis caltrop stem-boring weevil In Pacific on different weed variable 1 Kiribati      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lypriformis caltrop stem-boring weevil In Pacific on different weed variable 1 Papua New Guinea      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lareynii caltrop seed-feeding weevil Outside Pacific and effective   2 Fiji      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lareynii caltrop seed-feeding weevil Outside Pacific and effective   2 Federated States of Micronesia      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lareynii caltrop seed-feeding weevil Outside Pacific and effective   2 Kiribati      
Zygophyllaceae Tribulus terrestris puncturevine, goat head, caltrop                                               Has natural enemies in Pacific useful for other weeds Microlarinus lareynii caltrop seed-feeding weevil Outside Pacific and effective   2 Papua New Guinea      
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