NC Cooperative Extension   Service

Master Gardener Decision Support Guide

Woody Ornamentals

Maple


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Short cuts for Maple Answers

The following problems are listed for this plant and considered when developing the diagnostic key. If the caller provides accurate answers to the questions, the ones that are linked should key out to that specific problem. The unlinked problems are expected to key to the point where the caller is asked to submit a sample. These samples will often require diagnostic procedures such as soil testing, pathogen culture, Elisa or other test beyond the resources of the average Master Gardener Volunteer or County Extension Agent.

Caterpillars:
Acronicta americana (American dagger moth)
Anisota senatoria (orange-striped oakworm)
Automeris io (io moth)
Choristoneura rosaceana (obliquebanded leafroller)
Datana ministra (yellownecked caterpillar)
Dryocampa rubicunda (green striped mapleworm)
Erannis tiliria (liden looper)
Hyalophora cecropia (cecropia moth)
Hyphantria cunea (fall webworm)
Lithophane antennata (green fruitworm)
Lymantria dispar (gypsy moth)
Malacosoma americanum (eastern tent caterpillar)
M.disstria (forest tent caterpillar)
Operophtera bruceata (Bruce spanworm)
Orgyia antiqua (rusty tussock moth)
O.leucostigma (whitemarked tussock moth)
Paleacrita vernata (spring cankerworm)
Phigalia titea (half-wing geometer)
Proteoteras aesculana
Schizura ipomoeae
Summerista leucitys (orangehumped mapleworm)
Thyridopteryx ephemeraeformis (bagworm)

Leafrollers:
Archips argyrospila (fruittree leafroller)
Psilocoris cryptolechiella
Sparaganothus acerivorana

Aphids:
Drepanaphis sp.
Paraprociphilus tesselatus (woolly alder aphid)
Periphyllus sp.

Mealybugs:
Dysmicoccus wisteriae (taxus mealybug)
Phenacoccus acericola (maple mealybug)
P.aceris (apple mealybug)
Pseudococcus comstock (Comstock mealybug)

Scales:
Aspidiotus nerii (oleander scale)
Eulecanium cerasorum (calico scale)
Icerya purchasi (cottony cushion scale)
Lepidosaphes ulmi (oystershell scale)
Melanaspis obscura (obscure scale)
Mesolecanium nigrofasciatum (terrapin scale)
Pulvinaria acericola (cottony maple leaf scale)
P.floccifera (cottony taxus scale)
P.innumerabilis (cottony maple scale)
Quadraspidiotus juglansregiae (walnut scale)
Saissetia oleae (black scale)
Cryptodiaporthe hystrix
C.salicella

Other Insects:
Acericecis ocellaris
Aculops maculatus
erineum galls
Eriophyes elongatus
E.modestus
Borers
Twig pruner

Disease:
Anthracnose
Tar spot
Leaf Gall
Lightning Damage
Sooty Mold
Winter injury/sunscald
Sapsucker damage


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Modified April 29, 1998