Insects Feeding
on these Plants:
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Alnus spp. (Alder) [Betulaceae]
(Observations are from Osborn & Drake, Hottes & Frison, Wagner, Bouseman & Sternburg, Yanega, Clark et al., Marshall, Covell, Needham et al., Smith, Blackman & Eastop, Wheeler et al., Hamilton, Opler & Krizek, Miller, Robinson & Bradley, Majka et al., Cranshaw, ScaleNet, Nakahara)
Coleoptera (Beetles)
Cerambycidae: Saperda obliqua (Alder Borer) [larvae bore into bases of living trees] Msh2006 Ya1996 Crw2004, Xylotrechus quadrimaculatus (Birch & Beech Girdler) [girdles live branches] Ya1996; Chrysomelidae: Altica ambiens (Alder Flea Beetle) Crw2004, Calligrapha alni Clk2004 Msh2006, Calligrapha amelia Clk2004, Calligrapha apicalis Clk2004, Calligrapha confluens Clk2004, Chrysomela interrupta Msh2006, Chrysomela mainensis (Alder Leaf Beetle) Msh2006, Tricholochmaea alni Clk2004; Curculionidae: Himatolobus pubescens [adults roll leaves, larvae feed from within] Msh2006, Otiorhynchus singularis [polyphagous; this Eurasian insect is found in NE USA & SE Canada] MAM2007, Polydrusus cervinus [polyphagous; adults feed on leaves of trees, larvae feed on roots of other plants; this Eurasian insect is found in NE USA & SE Canada] MAM2007, Polydrusus sericeus (Green Immigrant Leaf Weevil) [polyphagous; adults feed on leaves of trees & shrubs, larvae feed on roots of other plants; syn. Polydrusus formosus] MAM2007, Pseudanthonomus validus [this insect is found in Canada & scattered areas of USA] MAM2007; Scolytidae: Xyloterinus politus [this insect is found in NE & north-central USA, & Canada] MAM2007
Heteroptera (True Bugs)
Miridae: Phytocoris canadensis WHM1983; Tingidae: Corythucha pergandei (Alder Lace Bug) OD1916
Homoptera (Sucking Insects)
Aphididae: Euceraphis gillettei [found in boreal areas] BE2013, Glyphina betulae [found on young shoots; observed in Illinois, introduced from Eurasia] BE2013, Prociphilus tessellatus (Woolly Alder Aphid) [found on alder branches, forming cottony tufts; syn. Paraprociphilus tessellatus] HF1931 Msh2006 BE2013 RB1965 Crw2004, Pterocallis alnifoliae HF1931; Cercopidae: Aphrophora alni (European Alder Spittlebug) [eaten by both adults & nymphs] Hm1982; Diaspididae: Chionaspis lintneri (Lintner Scurfy Scale) [this insect is found in E USA & SE Canada] SN2014, Chionaspis ortholobis (Straight-lobed Scurfy Scale) [this insect occurs in NE USA, north-central USA, and many states in W USA] Sn2014, Chionaspis salicis (Willow Scurfy Scale) [found mainly on twigs & branches; this insect is polyphagous, although it prefers Salix spp. & Populus spp.; this insect is widely distributed in the USA] SN2014, Diaspidiotus ostreaeformis (False San Jose Scale) [found on bark, polyphagous; this insect is widely distributed in N USA & S Canada, also in Eurasia, where it is native] SN2014; Psyllidae: Psylla floccosa (Cottony Alder Psyllid) Msh2006
Hymenoptera (Bees, Wasps, & Sawflies)
Argidae: Arge pectoralis (Birch Sawfly) [larvae feed on leaves] Sm2006; Cimbicidae: Cimbex americana (Elm Sawfly) [larvae feed on leaves, polyphagous] Sm2006, Trichiosoma triangulum [larvae feed on leaves] Msh2006 Sm2006; Tenthredinidae: Dimorphopteryx melanognathus [larvae feed on leaves] Sm2006, Dimorphopteryx pinguis [larvae feed on leaves] Sm2006, Empria multicolor [larvae feed on leaves] Sm2006, Eriocampa ovata (Woolly Alder Sawfly) Msh2006, Fenusa dohrnii (European Alder Leafminer) Sm2006, Hemichroa crocea (Striped Alder Sawfly) [larvae feed on foliage] Sm2006, Monosoma inferentia [larvae feed on leaves] Sm2006, Nematus erythrogaster [larvae feed on leaves] Sm2006, Priophorus pallipes [larvae feed on foliage] Sm2006, Pristiphora siskiyouensis [larvae feed on foliage] Sm2006
Lepidoptera (Butterflies, Skippers, & Moths)
Arctiidae: Halysidota tessellaris (Banded Tussock Moth) [polyphagous] Cv2005; Drepanidae: Drepana arcuata (Masked Birch Caterpillar) Wg2005; Geometridae: Aethalura intertexta (Four-Barred Gray) Cv2005, Cyclophora pendulinaria (Sweet Fern Geometer) [polyphagous] Cv2005, Hydriomena renunciata (Renounced Hydriomena) [found in northern IL] Cv2005, Lomographa semiclarata (Blue Spring Moth) [polyphagous] Cv2005, Pero hubneraria (Hubner's Pero) Cv2005, Sicya macularia (Sharp-Lined Yellow) [polyphagous] Cv2005, Venusia comptaria (Brown-Shaded Carpet) Cv2005; Gracillariidae: Phyllonorycter alni [leaf-miner] Ndm1928; Lasiocampidae: Phyllodesma americana (Lappet Moth) [polyphagous] Cv2005; Lycaenidae: Fenisca tarquinius (Harvester) [carnivorous larvae eat woolly aphids on alder] BS2001 OK1984; Lymantriidae: Lymantria dispar (Gypsy Moth) [intro. into N. America from abroad, polyphagous] Cv2005; Lyonetiidae: Lyonetia alniella [leaf-miner] Ndm1928; Noctuidae: Achatodes zeae (Elder Shoot Borer Moth) [polyphagous] Cv2005, Acronicta americana (American Dagger Moth) [polyphagous] Cv2005 Msh2006, Acronicta dactylina (Fingered Dagger Moth) Cv2005, Baileya doubledayi (Doubleday's Baileya) Cv2005, Euplexia benesimilis (American Angle Shades) [polyphagous] Cv2005, Oligia illocata (Wandering Brocade) Cv2005, Palthis angulalis (Dark-Spotted Palthis) [polyphagous] Cv2005, Polia purpurissata (Purple Arches) Cv2005, Raphia frater (The Brother) Cv2005; Nymphalidae: Polygonia faunus (Green Comma) [this butterfly is found in NW Illinois only; alders are host plants for northern populations of this butterfly] BS2001 OK1984; Saturniidae: Actias luna (Luna Moth) [polyphagous] Cv2005, Hemileuca nevadensis (Nevada Buck Moth) [found west of IL] Cv2005; Tortricidae: Amorbia humerosana (White-Lined Leafroller Moth) [polyphagous] Cv2005, Epinotia solandriana (Birch-Aspen Leafroller Moth) [larvae feed within rolled leaves; this moth is found north & NE of Illinois] Mlr1987, Gretchena watchungana [this moth is found east of Illinois] Mlr1987, Olethruetes albiciliana [larvae feed within rolled leaves; this moth is found east & NE of Illinois] Mlr1987, Olethreutes submissanum [this moth is found NE of Illinois] Mlr1987
Thysanoptera (Thrips)
Thripidae: Thrips frosti [found in MA, NY, NS, ON, & QB] Nk1994