TreeIssues

Pest & Disease Forecast for Arizona

It's September — 191 tracked threats are active right now in Arizona. Each timeline shows estimated activity across the year.

Active nowWatch closely — these threats are at or near peak activity this month.
Ips Bark Beetles
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Powdery Mildew
FungusLOW

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Thousand Cankers Disease
DiseaseHIGH

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Red Admiral
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Graphocephala cythura
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Jacaranda Helmet Stinkhorn
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Asian Longhorned Beetle Damages hardwood trees by tunneling deep into trunks and branches
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Four-spotted Collops
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Lesser Triceratops Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Four-patched Bird-dropping Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Cottonwood Stag Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Red-necked Pachy
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Poplar Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
North American Common Water Strider
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Great Ash Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Large Milkweed Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Black Death-feigning Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Doll's Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Psilocybe aztecorum
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Citrus Cicada
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Spring Polypore
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Aloeus Ox Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Southern Masked Chafer
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Charcoal Seed Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Bloodsucking Conenose
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Palo Verde Root Borer
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Ten-lined June Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Euphoria fascifera
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
California Bordered Plant Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Ashy Gray Lady Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Cotalpa consobrina
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Psilocybe sp. 'PNW02'
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Orizabus clunalis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Lophocampa ingens
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Mouse-colored Euchaetes
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Hyaline Grass Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Rhinoceros Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Centrocoris volxemi
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Macropsalliota meleagris
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Green-spored Parasol
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
LeConte's Chrysina
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Glorious Jewel Scarab
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Beloved Emarginea Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Poetry Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Florestan Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Hubbard's Silk Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Speckled Wave
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Oleander Aphid
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
White-lined Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Five-spotted Hawk Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Figeater Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Many-spotted Tiger Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Stenolemoides arizonensis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Sulcate Sunhead
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Cyclocephala melanocephala
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Eleodes longicollis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Polished Lady Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
American Fly Agaric
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Convergent Lady Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Black Witch
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Short-stemmed Russula
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
American cauliflower mushroom
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Scaly oysterling
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
golden coincap
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Sonoran Flag-Bearer
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Necklace Tricholoma
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Pine Bolete
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Xeromphalina enigmatica
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Two-tailed Swallowtail
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Anvil-wing Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Hide beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Gazelle Scarab
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Carolina Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Hileithia rehamalis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Forsebia Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Fly Agaric
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Giant Water Scavenger Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Cyclocephala lunulata
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeoderopsis junki
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Red-headed Pygarctia Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Schwarz’s Lichen Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
American Snout
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
crown-tipped coral fungus
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
giant puffball
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Common Ink Cap
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Phaeolus occidentiamericanus
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Grant's Hercules Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Ancognatha manca
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeodera gibbula
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Rustic Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Sicya morsicaria
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Rufous-banded Crambid Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Volupial Mint Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Grape Leafroller Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Twelve-lined Ofatulena
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
lobster mushroom
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Cochise's American Caesar
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Carrot Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
White-striped Tiger Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Arid Eudesmia Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Pipevine Swallowtail
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Dorantes Longtail
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Desert Checkered-Skipper
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Red-bellied Tiger Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Desert Cloudywing
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Moon-marked Skipper
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Lynx Paw Oyster
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Megasoma punctulatum
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
staghorn cholla moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Purslane Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Desert-dwelling Polycesta
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Obscure Darkling Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Large Orange Sulphur
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Sleepy Orange
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Striated Queen
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Painted Lady
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeodera solitaria
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Checkered Melon Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Dichotomius colonicus
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Yellow-veined Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Arizona Sister
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Polyphemus Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Gulf Fritillary
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Grotella tricolor
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Megacyllene antennata
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acrolophus laticapitana
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Ceraunus Blue
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Orange Sulphur
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Southern Small Milkweed Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Blackfoot Polypore
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Falcon Sphinx
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Inonotus munzii
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Somber Spragueia
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Funereal Duskywing
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Podaxis inyoensis
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Queen
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Small Milkweed Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Melacoryphus rubicollis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeodera amplicollis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Lewis' soldier beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Grand Western Flood Plain Cicada
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Indomitable Graphic Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Spragueia magnifica
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Empress Leilia
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Beyer's Jewel Scarab
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Zopherus gracilis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Coelocnemis magna
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Southern Emerald
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Dark-banded Cobubatha Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Toltec Roadside-Skipper
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Giant Mesquite Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Mesquite Girdler
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeodera alicia
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Metopoloba pruinosa
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
flowerpot parasol
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Blue Fungus Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Southern Purple Mint Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Pinecone Amanita
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Hawaiian Beet Webworm Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Pretty Bird-Dropping Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Oak Gall Borer Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Dripping Slimecap
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Desert Ironclad Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Micrathetis costiplaga
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Spathularia rufa
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Striped Collops
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Bent-winged Owlet
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Oblique Looper Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Sheep Polypore
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Giant Cactus Longhorn Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Purple Spindles
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Bruceia hubbardi
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Cyclocephala longula
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Desert Inkcap
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Fuller's rose weevil
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Eulithosia discistriga
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Western Striped Cucumber Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Bloody net-winged beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Calligrapha conjuncta
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Elm Leaf Beetle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Dot-lined Angle
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Neocapsus fasciativentris
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Bicolored Chloraspilates Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Arizona Powdered-Skipper
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Mediterranean red bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
White Dapperling
FungusMODERATE

Peak activity: Spring

J
F
M
A
M
J
J
A
S
O
N
D
Green Broomweed Looper Moth
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Palo Verde webworm
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Four-spurred Assassin Bug
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Eleodes obscura sulcipennis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
Acmaeodera amabilis
InsectMODERATE

Peak activity: Summer

J
F
M
A
M
J
J
A
S
O
N
D
← National forecast|All Arizona threats →|Get monthly care reminders →

Activity windows are seasonal estimates based on pest type and known phenology for the continental US; local timing varies with weather and elevation. Always confirm with a certified arborist or your state extension office.