| Subject |
Number of Images |
| common bean
- Phaseolus vulgaris
L. |
614 |
| gypsy moth
- Lymantria dispar
(Linnaeus) |
599 |
| southern pine beetle
- Dendroctonus frontalis
Zimmermann, 1868 |
539 |
| herbicides
|
516 |
| garden onion
- Allium cepa
L. |
476 |
| fire
|
444 |
| European spruce bark beetle
- Ips typographus
(Linnaeus) |
358 |
| mountain pine beetle
- Dendroctonus ponderosae
Hopkins |
314 |
| pesticides
|
291 |
| cogongrass
- Imperata cylindrica
(L.) Beauv. |
286 |
| rose
- Rosa spp.
L. |
283 |
| corn
- Zea mays
L. |
241 |
| Asian long-horned beetle
- Anoplophora glabripennis
(Motschulsky) |
225 |
| crabapple and apple
- Malus spp.
P. Mill. |
224 |
| emerald ash borer
- Agrilus planipennis
Fairmaire |
218 |
| longleaf pine
- Pinus palustris
P. Mill. |
217 |
| mule deer
- Odocoileus hemionus
Rafinesque |
210 |
| frost and winter injury (general)
|
207 |
| rhododendrons and azaleas
- Rhododendron spp.
L. |
207 |
| honey bee
- Apis mellifera
Linnaeus |
195 |
| potato
- Solanum tuberosum
L. |
193 |
| Japanese knotweed
- Polygonum cuspidatum
Siebold & Zucc. |
190 |
| bighorn sheep
- Ovis canadensis
Shaw |
187 |
| annosum root disease
- Heterobasidion annosum
(Fr) Bref. |
179 |
| kudzu
- Pueraria montana var. lobata
(Lour.) Merr. |
176 |
| white pine blister rust
- Cronartium ribicola
J. C. Fisch. |
176 |
| melaleuca
- Melaleuca quinquenervia
(Cav.) Blake |
171 |
| common wheat
- Triticum aestivum
L. |
170 |
| oak wilt
- Ceratocystis fagacearum
(T. W. Bretz) J. Hunt |
170 |
| sudden oak death
- Phytophthora ramorum
S. Werres, A.W.A.M. de Cock |
169 |
| Rhizoctonia damping-off, blight and rot
- Rhizoctonia solani
J.G. Kühn |
167 |
| Canada thistle
- Cirsium arvense
(L.) Scop. |
164 |
| chestnut blight or canker
- Cryphonectria parasitica
(Murrill) M.E. Barr |
156 |
| tree-of-heaven
- Ailanthus altissima
(P. Mill.) Swingle |
155 |
| forest tent caterpillar
- Malacosoma disstria
Hübner |
155 |
| daylily rust
- Puccinia hemerocallidis
Thüm. |
152 |
| eastern tent caterpillar
- Malacosoma americanum
(Fabricius) |
149 |
| garlic mustard
- Alliaria petiolata
(Bieb.) Cavara & Grande |
147 |
| oriental bittersweet
- Celastrus orbiculatus
Thunb. |
144 |
| bollworm
- Helicoverpa zea
(Boddie) |
142 |
| crown gall
- Agrobacterium tumefaciens
(E. F. Smith & Town.) |
141 |
| Phytophthora blight
- Phytophthora nicotianae
Breda de Haan |
138 |
| Tomato Spotted Wilt Virus
- Tospovirus TSWV
|
138 |
| people
|
138 |
| spruce beetle
- Dendroctonus rufipennis
(Kirby) |
137 |
| Armillaria root rots
- Armillaria spp.
(Fr.:Fr) Staude |
133 |
| Sclerotinia rot
- Sclerotinia sclerotiorum
(Lib.) de Bary |
133 |
| johnsongrass
- Sorghum halepense
(L.) Pers. |
131 |
| six-spined engraver beetle
- Ips sexdentatus
(Boerner) |
129 |
| nun moth
- Lymantria monacha
(Linnaeus) |
128 |
| tropical soda apple
- Solanum viarum
Dunal |
127 |
| chemicals
|
127 |
| Iris Yellow Spot Virus
- Tospovirus IYSV
|
124 |
| 2007 Georgia wildfires
|
123 |
| spotted knapweed
- Centaurea stoebe ssp. micranthos
(Gugler) Hayek |
122 |
| hail
|
121 |
| quaking aspen
- Populus tremuloides
Michx. |
120 |
| musk thistle
- Carduus nutans
L. |
119 |
| field bindweed
- Convolvulus arvensis
L. |
117 |
| elk
- Cervus canadensis
Linnaeus |
116 |
| southern blight
- Sclerotium rolfsii
Sacc. |
116 |
| rust
- Uromyces appendiculatus
F. Strauss |
115 |
| bull thistle
- Cirsium vulgare
(Savi) Ten. |
115 |
| hemlock woolly adelgid
- Adelges tsugae
Annand |
115 |
| purple loosestrife
- Lythrum salicaria
L. |
115 |
| common pine shoot beetle
- Tomicus piniperda
(Linnaeus) |
114 |
| fire blight
- Erwinia amylovora
(Burrill) Winslow . |
112 |
| gray mold
- Botrytis cinerea
Pers.:Fr |
111 |
| late blight
- Phytophthora infestans
(Mont.) de Bary |
111 |
| douglas-fir tussock moth
- Orgyia pseudotsugata
(McDunnough) |
110 |
| prickly pear moth
- Cactoblastis cactorum
(Berg) |
108 |
| Diplodia blight
- Sphaeropsis sapinea
(Fr.) Dyko & B. Sutton |
107 |
| wind
|
106 |
| monarch butterfly
- Danaus plexippus
(Linnaeus) |
105 |
| old world climbing fern
- Lygodium microphyllum
(Cav.) R. Br. |
105 |
| Chinese tallowtree
- Triadica sebifera
(L.) Small |
105 |
| leafy spurge
- Euphorbia esula
L. |
104 |
| Japanese honeysuckle
- Lonicera japonica
Thunb. |
104 |
| cedar-apple rust
- Gymnosporangium juniperi-virginianae
Schwein. |
103 |
| common mullein
- Verbascum thapsus
L. |
103 |
| Chinese wisteria
- Wisteria sinensis
(Sims) DC. |
102 |
| snow and ice damage (snow load)
|
102 |
| decay
|
102 |
| black locust
- Robinia pseudoacacia
L. |
100 |
| fall webworm
- Hyphantria cunea
(Drury) |
100 |
| early blight
- Alternaria solani
Sorauer |
99 |
| Cercospora fungi
- Cercospora spp.
Fresen. |
99 |
| cattle
- Bos spp.
Linnaeus, 1758 |
98 |
| planting
|
97 |
| Compartmentalization Of Decay In Trees (CODIT)
|
97 |
| shelterwood
|
97 |
| karner blue
- Lycaeides melissa
(W.H. Edwards) |
97 |
| browntail moth
- Euproctis chrysorrhoea
(Linnaeus) |
97 |
| Laysan albatross
- Phoebastria immutabilis
(Rothschild, 1893) |
97 |
| pruning
|
96 |
| waterhyacinth
- Eichhornia crassipes
(Mart.) Solms |
95 |
| western spruce budworm
- Choristoneura occidentalis
Freeman |
95 |
| pronghorn antelope
- Antilocapra americana
(Ord, 1815) |
95 |
| anthracnose
- Colletotrichum spp.
Corda |
95 |
| mountains
|
95 |
| six-toothed spruce bark beetle
- Pityogenes chalcographus
(Linnaeus) |
94 |
| Douglas-fir beetle
- Dendroctonus pseudotsugae
Hopkins |
94 |
| Japanese climbing fern
- Lygodium japonicum
(Thunb. ex Murr.) Sw. |
93 |
| Hosta Virus X
- Potexvirus HVX
|
93 |
| white pine weevil
- Pissodes strobi
(Peck) |
92 |
| cheatgrass
- Bromus tectorum
L. |
92 |
| fusiform rust
- Cronartium quercuum f.sp. fusiforme
(Hedgc. & N. Hunt) Burdsall & G. Snow |
92 |
| oxeye daisy
- Leucanthemum vulgare
Lam. |
92 |
| eastern tiger swallowtail
- Papilio glaucus
Linnaeus |
91 |
| Brazilian peppertree
- Schinus terebinthifolius
Raddi |
91 |
| western tent caterpillar
- Malacosoma californicum
(Packard) |
91 |
| Dutch elm disease
- Ophiostoma ulmi
(Buisman) Nannf. |
90 |
| multiflora rose
- Rosa multiflora
Thunb. ex Murr. |
90 |
| American alligator
- Alligator mississippiensis
Daudin |
89 |
| Fusarium wilts, blights, rots and damping-off
- Fusarium spp.
Link |
88 |
| alfalfa
- Medicago sativa
L. |
88 |
| lightning
|
88 |
| speed line
|
88 |
| littleleaf disease
- Phytophthora cinnamomi
Rands |
87 |
| aspen/poplar
- Populus spp.
L. |
87 |
| gulf fritillary
- Agraulis vanillae
(Linnaeus) |
87 |
| building
|
87 |
| Australian-pine
- Casuarina equisetifolia
L. |
86 |
| Burmese python
- Python molurus ssp. bivittatus
Kuhl, 1820 |
85 |
| boxelder
- Acer negundo
L. |
85 |
| reed canarygrass
- Phalaris arundinacea
L. |
84 |
| English ivy
- Hedera helix
L. |
83 |
| common hop
- Humulus lupulus
L. |
83 |
| giant hogweed
- Heracleum mantegazzianum
Sommier & Levier |
82 |
| Nepalese browntop
- Microstegium vimineum
(Trin.) A. Camus |
82 |
| irrigation
|
81 |
| prickly lettuce
- Lactuca serriola
L. |
81 |
| apple
- Malus domestica
Borkh. |
81 |
| American cockroach
- Periplaneta americana
(Linnaeus) |
80 |
| bitter rot
- Colletotrichum gloeosporioides
(Penz.) Penz. & Sacc. |
80 |
| Sirex woodwasp
- Sirex noctilio
Fabricius |
80 |
| root rot/damping off
- Rhizoctonia spp.
DC. |
79 |
| Pythium diseases
- Pythium spp.
Pringsh. |
78 |
| ponderosa pine
- Pinus ponderosa
P.& C. Lawson |
78 |
| bagworm
- Thyridopteryx ephemeraeformis
(Haworth) |
78 |
| peach
- Prunus persica
(L.) Batsch |
78 |
| yellow starthistle
- Centaurea solstitialis
L. |
77 |
| giant reed
- Arundo donax
L. |
77 |
| algal leaf spot
- Cephaleuros virescens
Kunze |
76 |
| periodical cicada
- Magicicada septendecim
(Linnaeus) |
76 |
| cultivation
|
76 |
| Japanese beetle
- Popillia japonica
Newman |
76 |
| clearcut
|
76 |
| Ips engraver beetles
- Ips spp.
De Geer, 1775 |
75 |
| pesticide safety
|
75 |
| red oak borer
- Enaphalodes rufulus
(Haldeman) |
75 |
| cotton
- Gossypium hirsutum
L. |
75 |
| African Elephant
- Loxodonta africana
Blumenbach |
73 |
| common blight of bean
- Xanthomonas campestris pv. phaseoli
|
73 |
| chinaberry
- Melia azedarach
L. |
73 |
| Phomopsis cankers and twig blights
- Phomopsis spp.
(Sacc.) Bubák |
73 |
| soil & water
|
72 |
| Phytophthora root and crown rots
- Phytophthora spp.
De Bary |
72 |
| southern green stink bug
- Nezara viridula
(Linnaeus) |
72 |
| fall armyworm
- Spodoptera frugiperda
(J.E. Smith) |
72 |
| redheaded pine sawfly
- Neodiprion lecontei
(Fitch) |
71 |
| pricklypear/cholla
- Opuntia spp.
P. Mill. |
71 |
| balsam woolly adelgid
- Adelges piceae
(Ratzeburg) |
71 |
| common pokeweed
- Phytolacca americana
L. |
71 |
| beach vitex
- Vitex rotundifolia
L. f. |
70 |
| cucumber
- Cucumis sativus
L. |
70 |
| eastern poison-ivy
- Toxicodendron radicans
(L.)Kuntze |
69 |
| cone worms
- Dioryctria spp.
Zeller |
69 |
| sunflower
- Helianthus spp.
L. |
68 |
| princesstree
- Paulownia tomentosa
(Thunb.) Sieb. & Zucc. ex Steud. |
68 |
| red maple
- Acer rubrum
L. |
68 |
| yellow toadflax
- Linaria vulgaris
P. Mill. |
68 |
| hoary cress
- Cardaria draba
(L.) Desv |
67 |
| yellow nutsedge
- Cyperus esculentus
L. |
67 |
| Texas leafcutting ant
- Atta texana
(Buckley) |
67 |
| velvetleaf
- Abutilon theophrasti
Medik |
67 |
| Xanthomonas leaf blight of onion
- Xanthomonas axonopodis pv. allii
(Dowson) |
67 |
| Sirococcus blight of conifers
- Sirococcus conigenus
(DC.) P. Cannon & Minter |
66 |
| Russian-olive
- Elaeagnus angustifolia
L. |
66 |
| poison-hemlock
- Conium maculatum
L. |
66 |
| Chinese privet
- Ligustrum sinense
Lour. |
66 |
| red imported fire ant
- Solenopsis invicta
Buren |
66 |
| aphids
|
66 |
| mimosa
- Albizia julibrissin
Durazz. |
65 |
| thinning
|
65 |
| charcoal rot
- Macrophomina phaseolina
(Tassi) Goidanich |
65 |
| black turpentine beetle
- Dendroctonus terebrans
(Olivier) |
64 |
| Norway maple
- Acer platanoides
L. |
64 |
| leaf spot
- Passalora sequoiae
(Ellis & Everh.) Y.L. Guo & W.H. Hsieh |
64 |
| rivers and streams
|
63 |
| lady beetle
|
63 |
| rice
- Oryza sativa
L. |
63 |
| butterfly milkweed
- Asclepias tuberosa
L. |
63 |
| cooley spruce gall adelgid
- Adelges cooleyi
(Gillette) |
63 |
| brown spot needle blight of pine
- Mycosphaerella dearnessii
M.E. Barr |
62 |
| dwarf mistletoes
- Arceuthobium spp.
Bieb. |
62 |
| Nectria canker
- Nectria spp.
(Fr.) Fr. |
62 |
| Colorado potato beetle
- Leptinotarsa decemlineata
(Say) |
61 |
| perennial lupine
- Lupinus perennis
L. |
61 |
| luna moth
- Actias luna
(Linnaeus) |
61 |
| bed bug
- Cimex lectularius
Linnaeus |
61 |
| sooty tern
- Sterna fuscata
Linnaeus, 1766 |
61 |
| Callery pear (Bradford pear)
- Pyrus calleryana
Dcne. |
61 |
| sulfur shelf
- Laetiporus sulphureus
(Bull.) Bondartsev & Singer |
61 |
| dodder
- Cuscuta spp.
L. |
61 |
| bittersweet nightshade
- Solanum dulcamara
L. |
61 |
| walnut caterpillar
- Datana integerrima
Grote & Robinson |
60 |
| puncturevine
- Tribulus terrestris
L. |
60 |
| Scleroderris canker of pine and spruce
- Gremmeniella abietina
(Lagerb.) M. Morelet |
60 |
| alligatorweed
- Alternanthera philoxeroides
(Mart.) Griseb. |
60 |
| black spot (leaf, stem, or pod spots)
- Alternaria spp.
Nees |
60 |
| yellow potato cyst nematode
- Globodera rostochiensis
(Wollenweber) Behrens |
60 |
| gray molds
- Botrytis spp.
P. Mich. ex. Pers. |
60 |
| jimsonweed
- Datura stramonium
L. |
60 |
| Russian-thistle
- Salsola tragus
L. |
59 |
| cold injury (low termerature)
|
59 |
| rosy gypsy moth
- Lymantria mathura
Moore |
59 |
| gorse
- Ulex europaeus
L. |
59 |
| engraver beetle
- Ips acuminatus
(Gyllenhal) |
59 |
| periodical cicada
- Magicicada spp.
Davis, 1925 |
59 |
| beech bark disease
- Nectria coccinea
(Pers.) Fr. |
59 |
| northern red oak
- Quercus rubra
L. |
59 |
| common St. Johnswort
- Hypericum perforatum
L. |
59 |
| mechanical
|
59 |
| cabbage white
- Pieris rapae
(Linnaeus) |
58 |
| long-horned beetle
- Monochamus sartor
(Fabricius) |
58 |
| common reed
- Phragmites australis
(Cav.) Trin. ex Steud. |
58 |
| diffuse knapweed
- Centaurea diffusa
Lam. |
58 |
| Cytospora cankers
- Cytospora spp.
Ehrenb. |
58 |
| Dyer's woad
- Isatis tinctoria
L. |
58 |
| lion
- Panthera leo
Linnaeus |
58 |
| Mexican fireweed
- Bassia scoparia
(L.) A.J. Scott |
58 |
| loblolly pine
- Pinus taeda
L. |
58 |
| common yarrow
- Achillea millefolium
L. |
58 |
| bacterial brown spot
- Pseudomonas syringae pv. syringae
van Hall 1902 |
57 |
| yellow sweetclover
- Melilotus officinalis
(L.) Lam. |
57 |
| nursery operations
|
57 |
| pine processionary moth
- Thaumetopoea pityocampa
(Denis & Schiffermuller) |
57 |
| chocolate vine
- Akebia quinata
(Houtt.) Dcne. |
57 |
| European pine shoot moth
- Rhyacionia buoliana
(Denis & Schiffermuller) |
57 |
| bacterial spot
- Pseudomonas cichorii
(Swingle 1925) Stapp 1928 |
57 |
| black widow spider
- Latrodectus mactans
(Fabricius) |
57 |
| bladder campion
- Silene latifolia ssp. alba
(Mill.) Greuter & Burdet |
57 |
| yellow poplar weevil
- Odontopus calceatus
(Say) |
57 |
| red sorrel
- Rumex acetosella
L. |
56 |
| artist's conk
- Ganoderma applanatum
(Pers.) Pat. |
56 |
| Benghal dayflower
- Commelina benghalensis
L. |
56 |
| Dalmatian toadflax
- Linaria dalmatica
(L.) P. Mill. |
56 |
| pitch canker
- Fusarium subglutinans
(Wollenweb. & Reinking) P. E. Nelson, T. A. Toussoun, & Marasas |
56 |
| cottonwood leaf beetle
- Chrysomela scripta
Fabricius |
55 |
| steelblue jewel beetle
- Melanophila cyanea
(Fabricius) |
55 |
| bark beetles
|
55 |
| soybean
- Glycine max
(L.) Merr. |
55 |
| spruce budworm
- Choristoneura fumiferana
(Clemens) |
55 |
| potato/tomato psyllid
- Paratrioza cockerelli
(Sulc) |
55 |
| autumn-olive
- Elaeagnus umbellata
Thunb. |
55 |
| hurricane
|
55 |
| Chinese silvergrass
- Miscanthus sinensis
Anderss. |
55 |
| perilla mint
- Perilla frutescens
(L.) Britton |
54 |
| tobacco budworm
- Heliothis virescens
(Fabricius) |
54 |
| tall fescue
- Schedonorus phoenix
(Scop.) Holub |
54 |
| large larch bark beetle
- Ips cembrae
(Heer) |
54 |
| bermudagrass
- Cynodon dactylon
(L.) Pers |
54 |
| moose
- Alces alces
Linnaeus |
54 |
| nutrient deficiency
|
54 |
| hemp dogbane
- Apocynum cannabinum
L. |
54 |
| American beaver
- Castor canadensis
Frazier |
54 |
| northern corn leaf blight
- Exserohilum turcicum
(Pass.) K.J. Leonard & Suggs |
54 |
| western gall rust
- Endocronartium harknessii
Hirats. |
54 |
| convergent lady beetle
- Hippodamia convergens
Guerin-Meneville |
54 |
| common beet
- Beta vulgaris
L. |
54 |
| larch casebearer
- Coleophora laricella
(Hubner) |
54 |
| American bison
- Bison bison
Linnaeus |
53 |
| human caused injury
|
53 |
| smaller European elm bark beetle
- Scolytus multistriatus
(Marsham) |
53 |
| black rot
- Guignardia bidwellii
(Ellis) Viala & Ravaz |
53 |
| dandelion
- Taraxacum officinale
G.H. Weber ex Wiggers |
53 |
| unpaved roads and trails
|
53 |
| Jerusalem artichoke
- Helianthus tuberosus
L. |
52 |
| bacterial soft rot
- Pectobacterium carotovorum ssp. carotovorum
(Jones 1901) Hauben et al. 1999 emend. Gardan et al. 2003 |
52 |
| small broomrape
- Orobanche minor
Smith |
52 |
| quackgrass
- Elymus repens
(L.) Gould |
52 |
| perennial sowthistle
- Sonchus arvensis
L. |
52 |
| coco yam, wild taro
- Colocasia esculenta
(L.) Schott |
52 |
| leaf rolling weevil
- Homoeolabus analis
(Iliger) |
52 |
| shoebutton ardisia
- Ardisia elliptica
Thunb |
52 |
| European pine sawfly
- Neodiprion sertifer
(Geoffroy) |
52 |
| multicolored Asian lady beetle
- Harmonia axyridis
(Pallas) |
52 |
| black henbane
- Hyoscyamus niger
L. |
51 |
| grasshoppers
|
51 |
| largeleaf lantana
- Lantana camara
L. |
51 |
| comandra blister rust
- Cronartium comandrae
Peck |
51 |
| pinyon blister rust
- Cronartium occidentale
Hedgc., Bethel, & N. Hunt |
51 |
| skunk-vine
- Paederia foetida
L. |
51 |
| European buckthorn
- Rhamnus cathartica
L. |
51 |
| polyphemus moth
- Antheraea polyphemus
(Cramer) |
51 |
| lesser pine shoot beetle
- Tomicus minor
(Hartig) |
51 |
| coltsfoot
- Tussilago farfara
L. |
51 |
| Armillaria root rot
- Armillaria tabescens
(Scop.) Emel |
51 |
| polar bear
- Ursus maritimus
Phipps |
51 |
| Norway spruce
- Picea abies
(L.) Karst. |
51 |
| American dwarf mistletoe
- Arceuthobium americanum
Nutt. ex Engelm. |
51 |
| carrot
- Daucus carota ssp. sativus
(Hoffm.) Arcang. |
50 |
| catalpa sphinx
- Ceratomia catalpae
(Boisduval) |
50 |
| Asian citrus psyllid
- Diaphorina citri
Kuwayama |
50 |
| common mallow
- Malva neglecta
Wallr. |
50 |
| white mulberry
- Morus alba
L. |
50 |
| tobacco splitworm
- Phthorimaea operculella
(Zeller) |
50 |
| European oak leaf roller
- Tortrix viridana
Linnaeus |
49 |
| drought
|
49 |
| ornamental jewelweed
- Impatiens glandulifera
Royle |
49 |
| air pollutants
|
49 |
| horse chestnut leafminer
- Cameraria ohridella
(Deshka & Dimic) |
49 |
| Japanese dodder
- Cuscuta japonica
Choisy |
49 |
| European corn borer
- Ostrinia nubilalis
(Hubner) |
49 |
| Eastern Arc Mountains
|
49 |
| citrus canker
- Xanthomonas axonopodis pv. citri
(Hasse) Vauterin et al. 1995 |
48 |
| apple scab
- Venturia inaequalis
(Cooke) G. Wint. |
48 |
| Tatarian honeysuckle
- Lonicera tatarica
L. |
48 |
| porcupine
- Erethizon dorsatum
Linnaeus |
48 |
| wheel bug
- Arilus cristatus
(Linnaeus) |
48 |
| European beech
- Fagus sylvatica
L. |
48 |
| winter moth
- Operophtera brumata
(Linnaeus) |
48 |
| common burdock
- Arctium minus
Bernh. |
48 |
| Botryosphaeria canker
- Botryosphaeria dothidea
(Moug.:Fr.) Ces. & De Not. |
48 |
| Scotch thistle
- Onopordum acanthium
L. |
47 |
| bouncingbet
- Saponaria officinalis
L. |
47 |
| chicory
- Cichorium intybus
L. |
47 |
| tansy ragwort
- Senecio jacobaea
L. |
47 |
| shepherd's-purse
- Capsella bursa-pastoris
(L.) Medik. |
47 |
| fertilization
|
47 |
| common chokecherry
- Prunus virginiana
L. |
47 |
| large brown trunk beetle
- Hylobius abietis
(Linnaeus) |
47 |
| tungoil tree
- Vernicia fordii
(Hemsl.) Airy-Shaw |
47 |
| Queen Anne's lace, wild carrot
- Daucus carota
L. |
47 |
| crimson fountaingrass
- Pennisetum setaceum
(Forsk.) Chiov. |
47 |
| sunscald
|
47 |
| red turpentine beetle
- Dendroctonus valens
LeConte |
47 |
| wild parsnip
- Pastinaca sativa
L. |
47 |
| black spot
- Diplocarpon rosae
F.A. Wolf |
47 |
| blue mold
- Peronospora tabacina
D.B. Adam |
47 |
| Cylindrocladium blight and root rot
- Cylindrocladium scoparium
Morgan |
47 |
| plains pricklypear
- Opuntia polyacantha
Haw. |
46 |
| butterflies, moths or skippers
|
46 |
| Engelmann spruce
- Picea engelmannii
Parry ex Engelm. |
46 |
| Kutilakesa fungus
- Kutilakesa pironii
Alfieri |
46 |
| common teasel
- Dipsacus fullonum
L. |
46 |
| trumpetcreeper
- Campsis radicans
(L.) Seem. ex Bureau |
46 |
| selection
|
46 |
| Tobacco Etch Virus
- Potyvirus TEV
|
46 |
| root lifting, soil heaving, and windthrow
|
46 |
| Asian gypsy moth
- Lymantria dispar dispar
(Linnaeus) |
46 |
| grizzly bear
- Ursus arctos
Linnaeus |
46 |
| bumble bees
- Bombus spp.
Latreille, 1802 |
46 |
| black knot
- Apiosporina morbosa
(Schwein.:Fr.) Arx |
46 |
| white heartwood rot
- Phellinus tremulae
(Bondartsev) Bondartsev & Borisov in Bondartsev |
45 |
| Schweinitzii root and butt disease
- Phaeolus schweinitzii
(Fr.) Pat. |
45 |
| Douglas-fir
- Pseudotsuga menziesii
(Mirbel) Franco |
45 |
| dogwood anthracnose
- Discula destructiva
Redlin |
45 |
| stink bugs
|
45 |
| Eutypella canker
- Eutypella parasitica
R. W. Davidson & Lorentz |
45 |
| Amur honeysuckle
- Lonicera maackii
(Rupr.) Herder |
45 |
| pine engraver
- Ips pini
(Say) |
45 |
| processing/manufacturing
|
45 |
| orange hawkweed
- Hieracium aurantiacum
L. |
45 |
| Tanzania
|
44 |
| western salsify
- Tragopogon dubius
Scop. |
44 |
| Russian knapweed
- Acroptilon repens
(L.) DC. |
44 |
| fir engraver
- Scolytus ventralis
LeConte |
44 |
| smooth sumac
- Rhus glabra
L. |
44 |
| common tansy
- Tanacetum vulgare
L. |
44 |
| boxelder bug
- Boisea trivittata
(Say) |
44 |
| eastern redbud
- Cercis canadensis
Linnaeus |
44 |
| harvesting
|
44 |
| perennial pepperweed
- Lepidium latifolium
L. |
44 |
| German cockroach
- Blattella germanica
(Linnaeus) |
44 |
| turkey tail
- Trametes versicolor
(L.) C.G. Lloyd |
44 |
| pine wilt nematode
- Bursaphelenchus xylophilus
(Steiner & Buhrer) Nickle |
44 |
| red-humped caterpillar moth
- Schizura concinna
(J.E. Smith) |
44 |
| imbedded objects
|
44 |
| common cocklebur
- Xanthium strumarium
L. |
44 |
| Southern bacterial wilt
- Ralstonia solanacearum
(Smith) Yabuuchi et al. |
44 |
| paper wasp
- Polistes dominula
(Christ) |
44 |
| Virginia-creeper
- Parthenocissus quinquefolia
(L.) Planch. |
44 |
| giant salvinia
- Salvinia molesta
D. S. Mitchell |
43 |
| eastern dwarf mistletoe
- Arceuthobium pusillum
Peck |
43 |
| red-belted fungus
- Fomitopsis pinicola
(Sw.) P. Karst. |
43 |
| tamarisk
- Tamarix spp.
L. |
43 |
| broadleaf plantain
- Plantago major
L. |
43 |
| sour orange scab
- Elsinoë fawcettii
Bitanc. & Jenkins |
43 |
| showy rattlebox
- Crotalaria spectabilis
Roth |
43 |
| honeylocust
- Gleditsia triacanthos
L. |
43 |
| flowering dogwood
- Cornus florida
L. |
43 |
| big periwinkle
- Vinca major
L. |
43 |
| pecan weevil
- Curculio caryae
(Horn) |
43 |
| eastern fivespined ips
- Ips grandicollis
(Eichhoff) |
43 |
| bacterial soft rot
- Pectobacterium chrysanthemi
(Burkholder, McFadden & Dimock 1953) Brenner, Steigerwalt, Miklos & Fanning 1973 |
43 |
| black swallowtail
- Papilio polyxenes
Fabricius |
42 |
| checkered beetle
- Thanasimus dubius
(Fabricius) |
42 |
| ground ivy
- Glechoma hederacea
L. |
42 |
| pecan
- Carya illinoinensis
(Wangenh.) K. Koch |
42 |
| pale tussock moth
- Calliteara pudibunda
(Linnaeus) |
42 |
| watermoss
- Salvinia spp.
Séguier |
42 |
| aster yellows phytoplasma
- Phytoplasma
|
42 |
| horseweed
- Conyza canadensis
(L.) Cronq. |
42 |
| mantids
|
42 |
| eastern white pine
- Pinus strobus
L. |
42 |
| striped ambrosia beetle
- Trypodendron lineatum
(Olivier) |
42 |
| field pennycress
- Thlaspi arvense
L. |
42 |
| iron deficiency
|
42 |
| disease forecasting
|
42 |
| Fusarium wilt
- Fusarium oxysporum
E.F. Sm. & Swingle |
42 |
| white-tailed deer
- Odocoileus virginianus
Zimmermann |
42 |
| Scots pine
- Pinus sylvestris
L. |
42 |
| cutworms, loopers, owlet moths, and underwings
|
41 |
| western pine beetle
- Dendroctonus brevicomis
LeConte |
41 |
| baldcypress
- Taxodium distichum
(L.) L.C. Rich. |
41 |
| riverine mangrove ecosystem
|
41 |
| bald eagle
- Haliaeetus leucocephalus
(Linnaeus, 1766) |
41 |
| Phyllosticta leaf spots
- Phyllosticta spp.
Pers. |
41 |
| syrphid or flower flies
|
41 |
| Pine-tree lappet
- Dendrolimus pini
(Linnaeus) |
41 |
| red pine
- Pinus resinosa
Soland. |
41 |
| Cucumber Mosaic Virus
- Cucumovirus CMV
|
40 |
| Mexican bean beetle
- Epilachna varivestis
Mulsant |
40 |
| Catawba rosebay
- Rhododendron catawbiense
Michx. |
40 |
| Bean Common Mosaic Virus
- Potyvirus BCMV
|
40 |
| orchardgrass
- Dactylis glomerata
L. |
40 |
| old house borer
- Hylotrupes bajulus
(Linnaeus) |
40 |
| pine needle cast
- Lophodermium pinastri
(Schrad.) Chevall. |
40 |
| birdsfoot trefoil
- Lotus corniculatus
L. |
40 |
| oak leaf blister
- Taphrina caerulescens
(Desmaz. & Mont.) Tul. |
40 |
| common sunflower
- Helianthus annuus
L. |
40 |
| twig girdler
- Oncideres cingulata
(Say) |
40 |
| sericea lespedeza
- Lespedeza cuneata
(Dum.-Cours.) G. Don |
40 |
| crownvetch
- Securigera varia
(L.) Lassen |
40 |
| curly dock
- Rumex crispus
L. |
40 |
| yellow-poplar
- Liriodendron tulipifera
L. |
40 |
| smooth brome
- Bromus inermis
Leyss. |
40 |
| black-eyed susan
- Rudbeckia hirta
L. |
40 |
| anthracnose
- Colletotrichum orbiculare
(Berk. & Mont.) Arx |
40 |
| hickory horned devil
- Citheronia regalis
(Fabricius) |
40 |
| silver lupine
- Lupinus argenteus
Pursh |
40 |
| bronze birch borer
- Agrilus anxius
Gory |
40 |
| lakes and ponds
|
39 |
| mimosa wilt
- Fusarium oxysporum f.sp. perniciosum
(Hepting) Toole |
39 |
| hairy cat'sear
- Hypochaeris radicata
L. |
39 |
| diamondback moth
- Plutella xylostella
(Linnaeus) |
39 |
| deer
|
39 |
| redheaded ash borer
- Neoclytus acuminatus
(Fabricius) |
39 |
| Athel tamarisk
- Tamarix aphylla
(L.) Karst. |
39 |
| black root rot
- Thielaviopsis basicola
(Berk. & Broome) Ferraris |
39 |
| brackenfern
- Pteridium aquilinum
(L.) Kuhn |
39 |
| common elderberry
- Sambucus nigra ssp. canadensis
(L.) R. Bolli |
39 |
| Chinese yam
- Dioscorea oppositifolia
L. |
39 |
| mourning cloak butterfly
- Nymphalis antiopa
(Linnaeus) |
39 |
| white oak
- Quercus alba
L. |
39 |
| wild four-o'clock
- Mirabilis nyctaginea
(Michx.) MacM. |
39 |
| included bark
|
39 |
| white rot fungus
- Stromatinia gladioli
(Drayton) Whetzel |
39 |
| small hive beetle
- Aethina tumida
Murray |
39 |
| Mediterranean fruit fly, Medfly
- Ceratitis capitata
(Wiedemann) |
39 |
| pepper
- Capsicum spp.
L. |
39 |
| Armillaria root rot
- Armillaria ostoyae
(Romagnesi) Herink |
38 |
| wine grape
- Vitis vinifera
L. |
38 |
| beet armyworm
- Spodoptera exigua
(Hubner) |
38 |
| ivyleaf morningglory
- Ipomoea hederacea
Jacq. |
38 |
| stinging nettle
- Urtica dioica
L. |
38 |
| winged yam
- Dioscorea alata
L. |
38 |
| spider mites
|
38 |
| sulfur cinquefoil
- Potentilla recta
L. |
38 |
| silver fir bark beetle
- Pityokteines curvidens
(Germar) |
38 |
| false codling moth
- Thaumatotibia leucotreta
(Meyrick) |
38 |
| Dothistroma needle blight
- Mycosphaerella pini
Rostr. |
37 |
| fir bark beetle
- Pityophthorus pityographus
(Ratzeburg) |
37 |
| eastern hemlock
- Tsuga canadensis
(L.) Carr. |
37 |
| release treatments
|
37 |
| swamp milkweed
- Asclepias incarnata
L. |
37 |
| cecropia moth
- Hyalophora cecropia
(Linnaeus) |
37 |
| tinder fungus
- Fomes fomentarius
(L.) J.J. Kickx |
37 |
| octopus tree
- Schefflera actinophylla
(Endl.) H.A.T. Harms |
37 |
| locust borer
- Megacyllene robiniae
(Forster) |
37 |
| water knotweed
- Polygonum amphibium
L. |
37 |
| downy mildew
- Pseudoperonospora cubensis
(Berk. & M.A. Curtis) Rostovzev |
37 |
| hedge bindweed
- Calystegia sepium
(L.) R. Br |
37 |
| showy draba
- Draba spectabilis
Greene |
37 |
| red-footed booby
- Sula sula
(Linnaeus, 1766) |
37 |
| European silver fir weevil
- Pissodes piceae
(Illiger) |
36 |
| winged burning bush
- Euonymus alatus
(Thunb.) Sieb. |
36 |
| pine needle scale
- Chionaspis pinifoliae
(Fitch) |
36 |
|