Insects Feeding
on Mountain Ash
(Sorbus spp.)



Insect & Family Names
(Scientific & Common)

Saperda candida *
(Round-headed Appletree Borer)
Cerambycidae (Long-horned Beetles)

Paria fragariae **
(Strawberry Rootworm)
Chrysomelidae (Leaf Beetles)

Macrodactylus subspinosus ***
(Rose Chafer)
Scarabaeidae (Scarab Beetles)

Popillia japonica
(Japanese Beetle)
Scarabaeidae (Scarab Beetles)

Scolytus rugulosus *
(Shothole Borer)
Scolytidae (Bark Beetles)

Aphis pomi
(Green Apple Aphid)
Aphididae (Aphids)

Eriosoma lanigerum #
(Woolly Apple Aphid)
Aphididae (Aphids)

Rhopalosiphum oxyacanthae ##
(Apple-grass Aphid)
Aphididae (Aphids)

Chionaspis furfura ###
(Scurfy Bark Scale)
Diaspididae (Armored Scales)

Diaspidiotus ancylis §
(Putnam Scale)
Diaspididae (Armored Scales)

Diaspidiotus perniciosus ###
(San Jose Scale)
Diaspididae (Armored Scales)

Epidiaspis leperii ###
(Italian Pear Scale)
Diaspididae (Armored Scales)

Lepidosaphes ulmi ###
(Oystershell Scale)
Diaspididae (Armored Scales)

Arge macleayi §§ 
(no common name)
Argidae (Argid Sawflies)

Pristiphora geniculatus §§
(Mountain Ash Sawfly)
Tenthredinidae (Common Sawflies)

Megastigmus brevicaudis §§§
(no common name)
Torymidae (Torymid Wasps)

Torymus varians §§§
(Apple Seed Chalcid)
Torymidae (Torymid Wasps)

Biston betularia
(Pepper-and-Salt Moth)
Geometridae (Geometer Moths)

Iridopsis larvaria
(Bent-lined Gray)
Geometridae (Geometer Moths)

Lomographa vestaliata
(White Spring Moth)
Geometridae (Geometer Moths)

Nematocampa resistaria
(Filament Bearer)
Geometridae (Geometer Moths)

Phyllonorycter crataegella
(Apple Blotch Leafminer Moth)
Gracillariidae (Leaf Blotch Miner Moths)

Acronicta clarescens
(Clear Dagger Moth)
Noctuidae (Owlet Moths)

Acronicta fragilis
(Fragile Dagger Moth)
Noctuidae (Owlet Moths)

Acronicta impleta
(Yellow-haired Dagger Moth)
Noctuidae (Owlet Moths)

Acronicta interrupta
(Interrupted Dagger Moth)
Noctuidae (Owlet Moths)

Acronicta radcliffei
(Radcliffe's Dagger Moth)
Noctuidae (Owlet Moths)

Acronicta superans
(Splendid Dagger Moth)
Noctuidae (Owlet Moths)

Catocala grynea
(Woody Underwing)
Noctuidae (Owlet Moths)

Eupsilia tristigmata
(Three-spotted Sallow)
Noctuidae (Owlet Moths)

Metaxaglaea viatica
(Roadside Sallow)
Noctuidae (Owlet Moths)

Argyresthia conjugella ¶¶
(Apple Fruit Moth)
Yponomeutidae (Ermine Moths)

Eriophyes pyri ¶¶¶ ♦
(Pear Leaf Blister Mite)
Eriophyidae (Gall Mites)



* larvae bore into wood, ** larvae feed on roots
*** skeletonizes leaves
# found twigs, branches, trunk, & roots
## curls young leaves during the spring
### found on bark, § found on leaves
§§ larvae feed on leaves, §§§ larvae feed on seeds
¶ larvae are leaf-miners, ¶¶ larvae feed on fruit
¶¶¶ forms blister galls on leaves
♦ this is a spider mite, not an insect

Sources: Cranshaw (2004), Clark et al. (2004),
Majka et al. (2007), Robinson & Bradley (1965),
Blackman & Eastop (accessed 2013),
ScaleNet (accessed 2014), Smith (2006),
Felt (1917), Wagner (2005), Covell (1984/2005),
Maier & Davis (1989)


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