Host and Agent Distribution Maps

Click on each species to view county distribution maps.


ID Agent Agent Scientific Name Hostsystem HostID Host Plant Host Scientific Name count
4339 bindweed gall mite Aceria malherbae Bugwood 4338 field bindweed Convolvulus arvensis 144
3118 black dot spurge flea beetle Aphthona nigriscutis Bugwood 3405 leafy spurge Euphorbia esula 2620
3118 black dot spurge flea beetle Aphthona nigriscutis Bugwood 24
3493 black leafy spurge flea beetle Aphthona czwalinae Bugwood 8
3493 black leafy spurge flea beetle Aphthona czwalinae Bugwood 3405 leafy spurge Euphorbia esula 28
4236 black-margined loosestrife beetle Galerucella calmariensis Bugwood 3047 purple loosestrife Lythrum salicaria 204
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 4472 diffuse knapweed Centaurea diffusa 6
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 5
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 50209 spotted knapweed Centaurea stoebe 1
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 114
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 9563 knapweeds Centaurea spp. 4
4359 blunt knapweed flower weevil Larinus obtusus Bugwood 4348 meadow knapweed Centaurea x moncktonii 3
4375 broad-nosed knapweed seed head weevil Bangasternus fausti Bugwood 4472 diffuse knapweed Centaurea diffusa 82
4375 broad-nosed knapweed seed head weevil Bangasternus fausti Bugwood 50209 spotted knapweed Centaurea stoebe 2
4375 broad-nosed knapweed seed head weevil Bangasternus fausti Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 181
4356 bronze knapweed root borer Sphenoptera jugoslavica Bugwood 4472 diffuse knapweed Centaurea diffusa 15
4356 bronze knapweed root borer Sphenoptera jugoslavica Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 22
4356 bronze knapweed root borer Sphenoptera jugoslavica Bugwood 50209 spotted knapweed Centaurea stoebe 1
57357 broom seed beetle Bruchidius villosus Bugwood 4408 Scotch broom Cytisus scoparius 7
57357 broom seed beetle Bruchidius villosus Bugwood 1
3492 brown dot leafy spurge flea beetle Aphthona cyparissiae Bugwood 3405 leafy spurge Euphorbia esula 101
3492 brown dot leafy spurge flea beetle Aphthona cyparissiae Bugwood 8
3120 brown-legged spurge flea beetle Aphthona lacertosa Bugwood 3405 leafy spurge Euphorbia esula 1401
4358 brown-winged knapweed moth Pterolonche inspersa Bugwood 4472 diffuse knapweed Centaurea diffusa 5
4358 brown-winged knapweed moth Pterolonche inspersa Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 3
2790 Canada thistle bud weevil Larinus planus Bugwood 2792 Canada thistle Cirsium arvense 128
2789 Canada thistle stem mining weevil Ceutorhynchus litura Bugwood 2792 Canada thistle Cirsium arvense 530
2789 Canada thistle stem mining weevil Ceutorhynchus litura Bugwood 3393 bull thistle Cirsium vulgare 167
2789 Canada thistle stem mining weevil Ceutorhynchus litura Bugwood 3011 musk thistle Carduus nutans 1
2791 Canada thistle stem-gall fly Urophora cardui Bugwood 2792 Canada thistle Cirsium arvense 535
2791 Canada thistle stem-gall fly Urophora cardui Bugwood 16624 plumeless thistle Carduus spp. 1
2791 Canada thistle stem-gall fly Urophora cardui Bugwood 4472 diffuse knapweed Centaurea diffusa 1
2791 Canada thistle stem-gall fly Urophora cardui Bugwood 3393 bull thistle Cirsium vulgare 46
2791 Canada thistle stem-gall fly Urophora cardui Bugwood 3011 musk thistle Carduus nutans 1
4588 cinnabar moth Tyria jacobaeae Bugwood 4418 common ragwort Senecio jacobaea 29
58085 clearwing moth Chamaesphecia empiformis Bugwood 3405 leafy spurge Euphorbia esula 2
3119 copper leafy spurge flea beetle Aphthona flava Bugwood 3405 leafy spurge Euphorbia esula 1186
3119 copper leafy spurge flea beetle Aphthona flava Bugwood 19
3119 copper leafy spurge flea beetle Aphthona flava Bugwood 4348 meadow knapweed Centaurea x moncktonii 1
4366 defoliating hemlock moth Agonopterix alstroemeriana Bugwood 4365 poison hemlock Conium maculatum 28
4430 defoliator moth Simyra dentinosa Bugwood 3405 leafy spurge Euphorbia esula 2
4503 field bindweed moth Tyta luctuosa Bugwood 4338 field bindweed Convolvulus arvensis 26
58087 flea beetle Altica carduorum Bugwood 2792 Canada thistle Cirsium arvense 3
4444 flea beetles Aphthona spp. Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 2
4444 flea beetles Aphthona spp. Bugwood 144
4444 flea beetles Aphthona spp. Bugwood 3405 leafy spurge Euphorbia esula 942
4238 flower feeding weevil Nanophyes marmoratus Bugwood 3047 purple loosestrife Lythrum salicaria 40
4353 gall flies Urophora spp. Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 24
59841 gall midge Jaapiella ivannikovi Bugwood 4
59841 gall midge Jaapiella ivannikovi Bugwood 4388 Russian knapweed Rhaponticum repens 108
4400 golden loosestrife beetle Galerucella pusilla Bugwood 3047 purple loosestrife Lythrum salicaria 72
4416 greater St. John's wort beetle Chrysolina quadrigemina Bugwood 4411 common St. Johnswort Hypericum perforatum 30
3130 green knapweed clearwing fly Terellia virens Bugwood 4472 diffuse knapweed Centaurea diffusa 1
3130 green knapweed clearwing fly Terellia virens Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 18
3123 knapweed gall fly Urophora affinis Bugwood 50209 spotted knapweed Centaurea stoebe 1
3123 knapweed gall fly Urophora affinis Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 103
3123 knapweed gall fly Urophora affinis Bugwood 4472 diffuse knapweed Centaurea diffusa 18
3129 knapweed peacock fly Chaetorellia acrolophi Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 11
3127 knapweed root weevil Cyphocleonus achates Bugwood 5282 black knapweed Centaurea nigra 1
3127 knapweed root weevil Cyphocleonus achates Bugwood 7
3127 knapweed root weevil Cyphocleonus achates Bugwood 50209 spotted knapweed Centaurea stoebe 141
3127 knapweed root weevil Cyphocleonus achates Bugwood 2792 Canada thistle Cirsium arvense 1
3127 knapweed root weevil Cyphocleonus achates Bugwood 4411 common St. Johnswort Hypericum perforatum 1
3127 knapweed root weevil Cyphocleonus achates Bugwood 4472 diffuse knapweed Centaurea diffusa 247
3127 knapweed root weevil Cyphocleonus achates Bugwood 4373 squarrose knapweed Centaurea virgata 4
3127 knapweed root weevil Cyphocleonus achates Bugwood 9563 knapweeds Centaurea spp. 21
3127 knapweed root weevil Cyphocleonus achates Bugwood 4388 Russian knapweed Rhaponticum repens 3
3127 knapweed root weevil Cyphocleonus achates Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 2694
3124 knapweed seed head fly Urophora quadrifasciata Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 18
3124 knapweed seed head fly Urophora quadrifasciata Bugwood 9563 knapweeds Centaurea spp. 3
3124 knapweed seed head fly Urophora quadrifasciata Bugwood 4472 diffuse knapweed Centaurea diffusa 3
3125 knapweed seedhead moth Metzneria paucipunctella Bugwood 9563 knapweeds Centaurea spp. 10
3125 knapweed seedhead moth Metzneria paucipunctella Bugwood 4421 slenderflower thistle Carduus tenuiflorus 1
3125 knapweed seedhead moth Metzneria paucipunctella Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 88
59838 lace bug Corythucha distincta Bugwood 2792 Canada thistle Cirsium arvense 2
57379 leaf beetle Chrysolina spp. Bugwood 4411 common St. Johnswort Hypericum perforatum 91
4369 leaf beetles Galerucella spp. Bugwood 3047 purple loosestrife Lythrum salicaria 1762
3121 leafy spurge gall midge Spurgia esulae Bugwood 3405 leafy spurge Euphorbia esula 178
3490 leafy spurge stem boring beetle Oberea erythrocephala bicolor Bugwood 1
3490 leafy spurge stem boring beetle Oberea erythrocephala bicolor Bugwood 3405 leafy spurge Euphorbia esula 216
3128 lesser knapweed flower weevil Larinus minutus Bugwood 9563 knapweeds Centaurea spp. 16
3128 lesser knapweed flower weevil Larinus minutus Bugwood 4472 diffuse knapweed Centaurea diffusa 156
3128 lesser knapweed flower weevil Larinus minutus Bugwood 50209 spotted knapweed Centaurea stoebe 73
3128 lesser knapweed flower weevil Larinus minutus Bugwood 3011 musk thistle Carduus nutans 1
3128 lesser knapweed flower weevil Larinus minutus Bugwood 4373 squarrose knapweed Centaurea virgata 2
3128 lesser knapweed flower weevil Larinus minutus Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 1436
3128 lesser knapweed flower weevil Larinus minutus Bugwood 4411 common St. Johnswort Hypericum perforatum 1
4415 lesser St. John's wort beetle Chrysolina hyperici Bugwood 1
4415 lesser St. John's wort beetle Chrysolina hyperici Bugwood 4411 common St. Johnswort Hypericum perforatum 47
4395 Mediterranean sage root crown weevil Phrydiuchus tau Bugwood 4361 Mediterranean sage Salvia aethiopis 2
11801 Mediterranean tamarisk beetle Diorhabda elongata Bugwood 3078 tamarisk Tamarix spp. 6
11801 Mediterranean tamarisk beetle Diorhabda elongata Bugwood 6515 saltcedar Tamarix ramosissima 8
57151 mile-a-minute weevil Rhinoncomimus latipes Bugwood 4
57151 mile-a-minute weevil Rhinoncomimus latipes Bugwood 3065 mile-a-minute vine, Asiatic tearthumb Persicaria perfoliata 315
4463 musk thistle flower fly Cheilosia corydon Bugwood 3011 musk thistle Carduus nutans 4
3396 musk thistle head weevil Rhinocyllus conicus Bugwood 1
3396 musk thistle head weevil Rhinocyllus conicus Bugwood 2792 Canada thistle Cirsium arvense 9
3396 musk thistle head weevil Rhinocyllus conicus Bugwood 3400 spiny plumeless thistle Carduus acanthoides 2
3396 musk thistle head weevil Rhinocyllus conicus Bugwood 3011 musk thistle Carduus nutans 72
3396 musk thistle head weevil Rhinocyllus conicus Bugwood 4432 Scotch thistle Onopordum acanthium 1
4364 puncturevine seed weevil Microlarinus lareynii Bugwood 3937 puncturevine Tribulus terrestris 81
4398 puncturevine stem weevil Microlarinus lypriformis Bugwood 3937 puncturevine Tribulus terrestris 2
4419 ragwort flea beetle Longitarsus jacobaea Bugwood 4418 common ragwort Senecio jacobaea 15
4436 root galling weevil Gymnetron linariae Bugwood 5939 Dalmatian toadflax Linaria dalmatica 5
4237 root-boring weevil Hylobius transversovittatus Bugwood 3047 purple loosestrife Lythrum salicaria 124
57356 rush skeletonweed root moth Bradyrrhoa gilveolella Bugwood 4404 rush skeletonweed Chondrilla juncea 70
58086 Russian thistle moth Coleophora klimeschiella Bugwood 6375 Russian thistle Salsola tragus 15
21257 Russian thistle stem miner Coleophora parthenica Bugwood 5684 halogeton Halogeton glomeratus 1
21257 Russian thistle stem miner Coleophora parthenica Bugwood 6375 Russian thistle Salsola tragus 1
18915 rust Puccinia punctiformis Bugwood 2792 Canada thistle Cirsium arvense 9
82945 samurai wasp Trissolcus japonicus Bugwood 3928 16
82945 samurai wasp Trissolcus japonicus Bugwood 9328 brown marmorated stink bug Halyomorpha halys 35
82945 samurai wasp Trissolcus japonicus Bugwood 12
4409 Scottish broom seed weevil Exapion fuscirostre Bugwood 4408 Scotch broom Cytisus scoparius 4
4405 skeletonweed gall midge Cystiphora schmidti Bugwood 4404 rush skeletonweed Chondrilla juncea 9
65371 Skeletonweed gall mite Aceria chondrillae Bugwood 4404 rush skeletonweed Chondrilla juncea 20
3489 spurge hawkmoth Hyles euphorbiae Bugwood 3405 leafy spurge Euphorbia esula 35
3489 spurge hawkmoth Hyles euphorbiae Bugwood 5
4412 St. John's wort beetle Agrilus hyperici Bugwood 4411 common St. Johnswort Hypericum perforatum 3
4413 St. Johnswort Inchworm Aplocera plagiata Bugwood 4411 common St. Johnswort Hypericum perforatum 9
4417 St. Johnswort midge Zeuxidiplosis giardi Bugwood 4411 common St. Johnswort Hypericum perforatum 1
4435 stem-boring weevil Mecinus janthinus Bugwood 2
4435 stem-boring weevil Mecinus janthinus Bugwood 3800 yellow toadflax Linaria vulgaris 137
4435 stem-boring weevil Mecinus janthinus Bugwood 4585 toadflax Linaria spp. 4
4435 stem-boring weevil Mecinus janthinus Bugwood 4451 Dalmatian toadflax Linaria dalmatica ssp. dalmatica 21
4435 stem-boring weevil Mecinus janthinus Bugwood 5939 Dalmatian toadflax Linaria dalmatica 320
4435 stem-boring weevil Mecinus janthinus Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 1
4389 stem-gall nematode Subanguina picridis Bugwood 4388 Russian knapweed Rhaponticum repens 76
4389 stem-gall nematode Subanguina picridis Bugwood 9563 knapweeds Centaurea spp. 1
3126 sulfur knapweed root moth Agapeta zoegana Bugwood 50209 spotted knapweed Centaurea stoebe 2
3126 sulfur knapweed root moth Agapeta zoegana Bugwood 3405 leafy spurge Euphorbia esula 1
3126 sulfur knapweed root moth Agapeta zoegana Bugwood 9563 knapweeds Centaurea spp. 24
3126 sulfur knapweed root moth Agapeta zoegana Bugwood 4472 diffuse knapweed Centaurea diffusa 5
3126 sulfur knapweed root moth Agapeta zoegana Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 113
3401 thistle crown weevil Trichosirocalus horridus Bugwood 3011 musk thistle Carduus nutans 228
3401 thistle crown weevil Trichosirocalus horridus Bugwood 2792 Canada thistle Cirsium arvense 5
15011 thistle tortoise beetle Cassida rubiginosa Bugwood 3011 musk thistle Carduus nutans 21
15011 thistle tortoise beetle Cassida rubiginosa Bugwood 16624 plumeless thistle Carduus spp. 1
15011 thistle tortoise beetle Cassida rubiginosa Bugwood 2792 Canada thistle Cirsium arvense 295
15011 thistle tortoise beetle Cassida rubiginosa Bugwood 1
4455 Toadflax Brocade Calophasia lunula Bugwood 4451 Dalmatian toadflax Linaria dalmatica ssp. dalmatica 2
4455 Toadflax Brocade Calophasia lunula Bugwood 5939 Dalmatian toadflax Linaria dalmatica 11
4455 Toadflax Brocade Calophasia lunula Bugwood 3800 yellow toadflax Linaria vulgaris 6
4454 toadflax capsule weevil Gymnetron antirrhini Bugwood 3800 yellow toadflax Linaria vulgaris 6
4454 toadflax capsule weevil Gymnetron antirrhini Bugwood 5939 Dalmatian toadflax Linaria dalmatica 2
4453 toadflax flower-eating beetle Brachypterolus pulicarius Bugwood 3800 yellow toadflax Linaria vulgaris 16
4453 toadflax flower-eating beetle Brachypterolus pulicarius Bugwood 5939 Dalmatian toadflax Linaria dalmatica 19
58084 toadflax weevil Gymnetron spp. Bugwood 5939 Dalmatian toadflax Linaria dalmatica 1
58084 toadflax weevil Gymnetron spp. Bugwood 3800 yellow toadflax Linaria vulgaris 9
57351 weevil Larinus spp. Bugwood 3013 spotted knapweed Centaurea stoebe ssp. micranthos 242
57351 weevil Larinus spp. Bugwood 50209 spotted knapweed Centaurea stoebe 9
57351 weevil Larinus spp. Bugwood 4472 diffuse knapweed Centaurea diffusa 20
57351 weevil Larinus spp. Bugwood 5282 black knapweed Centaurea nigra 1
4387 yellow star thistle gall fly Urophora sirunaseva Bugwood 4390 yellow starthistle Centaurea solstitialis 6
4391 yellow starthistle bud weevil Bangasternus orientalis Bugwood 4390 yellow starthistle Centaurea solstitialis 11
4394 yellow starthistle flower weevil Larinus curtus Bugwood 4390 yellow starthistle Centaurea solstitialis 86
4393 yellow starthistle hairy weevil Eustenopus villosus Bugwood 4390 yellow starthistle Centaurea solstitialis 407