Insects Feeding
on this Plant:


Populus deltoides
(Eastern Cottonwood) [Salicaceae]
(Observations are from Knight, Hottes & Frison, Dmitriev & Dietrich, Microleps website, Clark et al., Covell, MacRae, Needham et al., Blackman & Eastop, Watson, Harms & Grodowitz, Opler & Krizek, Miller, Pepper, O'Brien & Anderson, Spencer & Steyskal, Cranshaw, ScaleNet)

Coleoptera (Beetles)
Buprestidae: Dicerca tenebrica (Flat-Headed Poplar Borer) Mcr1991; Chrysomelidae: Altica bimarginata Clk2004, Altica prasina populi (Poplar Flea Beetle) [feeds on leaves, found in Ontario & New Brunswick] Clk2004 HG2009, Altica prasina prasina (Poplar Flea Beetle) [feeds on leaves] Clk2004 HG2009, Chrysomela crotchi (Aspen Leaf Beetle) [found in NE USA & Canada] Clk2004, Chrysomela knabi Clk2004, Chrysomela scripta Clk2004, Crepidodera solita Clk2004, Crepidodera vaga Clk2004, Cryptocephalus leucomelas Clk2004, Plagiodera versicolora Clk2004, Tricholochmaea decora Clk2004, Zeugophora scutellaris Clk2004; Curculionidae: Dorytomus mucidus OA1996

Diptera (Flies)
Agromyzidae: Agromyza isolata [larvae are blotch leaf-miners; found in Pennsylvania & Minnesota] SS1986

Heteroptera (True Bugs)
Miridae: Lopidea cuneata Kn1941 Wat1928, Lygocoris hirticulus Kn1941 

Homoptera (Sucking Insects)
Aphididae: Chaitophorus neglectus [found on leaves] BE2013, Chaitophorus populicola patchae (Poplar Leaf Aphid) [found on young shoots & developing leaves] HF1931 BE2013 Pp1965, Chaitophorus populifolii [found on leaves] HF1931 BE2013, Chaitophorus stevensis HF1931, Mordvilkoja vagabunda (Poplar Vagabond Gall Aphid) [feeds on growing buds of cottonwood trees, forming galls] HF1931 Pp1965 Crw2004, Pachypappa pseudobyrsa [syn. Asiphon pseudobyrsa, causes blister-like swellings on leaf midribs; this aphid is found in NE USA, north-central USA, & Canada] HF1931 BE2013, Pemphigus betae (Sugar Beet Root Aphid) [forms galls on leaf undersides of poplar & cottonwood, migrating during the summer to the roots of some herbaceous plants in the Chenopodiaceae] BE2013, Pemphigus nortonii [forms yellow galls on petioles; this aphid has been found in Michigan, but it is more common in western North America] BE2013 HF1931, Pemphigus populicaulis [forms yellowish green to cream-colored galls on petioles of cottonwood, aspen, & balsam poplar trees; this aphid is found in widely scattered areas across central & western North America, including Illinois] HF1931 BE2013 Crw2004, Pemphigus populi-transversus [forms galls on petioles, bending them; this aphid has been found in Illinois & Ontario] HF1931 BE2013, Pemphigus populivenae (Sugar Beet Root Aphid) [forms elongated galls, variously shaped, on upper sides of poplar & cottonwood leaves along their midribs; migrates during the summer to the roots of various herbaceous plants in the Chenopodiaceae & Amaranthaceae; this aphid has been found in Illinois & New Brunswick] HF1931 BE2013, Pemphigus tartareus [forms galls on petioles of cottonwood leaves, migrating to Bidens spp. & possibly other composites during the summer; this aphid has been found in Illinois & E Canada] BE2013, Prociphilus americanus HF1931, Pterocomma smithiae HF1931, Thecabius affinis (Poplar-Buttercup Aphid) [syn. Thecabius populiconduplifolius, galls are formed by folding poplar or cottonwood leaves, migrating during the summer to the roots of buttercups; this aphid has been found in NE USA, upper north-central USA, & Canada] BE2013; Cicadellidae: Kybos copula DD2010, Kybos obtusa [preferred host plant] DD2010, Kybos trifasciata [preferred host plant] DD2010; Diaspididae:
Chionaspis longiloba (Long-lobed Scurfy Scale) [this insect is found in E USA & Oregon] 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 gigas (Eurasian Willow Scale) [this insect is found in SE Canada, Ohio, Pennsylvania, Rhode Island, Wisconsin, some western states in the USA, & Eurasia] SN2014, Diaspidiotus perniciosus (San Jose Scale) [usually found on bark, polyphagous, although preferring woody species in the Rosaceae; this insect is widely distributed; syn. Comstockaspis perniciosa, syn. Quadraspidiotus perniciosus] SN2014, Lepidosaphes ulmi (Oystershell Scale) [found on bark, polyphagous; this insect is widely distributed in the USA, S Canada, & Eurasia] SN2014; Phylloxeridae: Phylloxerina popularia [syn. Phylloxera popularia, found in deserted leaf galls, in bark crevices, or on twigs; observed in central USA] BE2013

Lepidoptera (Butterflies, Skippers, & Moths)
Gracillariidae: Caloptilia stigmatella [leaf-roller] Mic2010, Phyllocnistis populiella [larvae are serpentine leaf-miners] Mic2010, Phyllonorycter apparella [larvae are blotch or tentiform leaf-miners] Mic2010; Lyonetiidae: Paraleucoptera albella [leaf-miner] Mic2010; Nepticulidae: Nepticula populetorum [leaf-miner, syn. Stigmella populetorum] Ndm1928; Noctuidae: Catocala amatrix (The Sweetheart) [preferred host plant] Cv2005; Nymphalidae: Limenitis archippus (Viceroy) OK1984, Limenitis arthemis astyanax (Red-spotted Purple) OK1984, Nymphalis antiopa (Mourning Cloak) OK1984; Tortricidae: Gypsonoma haimbachiana (Cottonwood Twig Borer Moth) [larvae feed primarily in shoots] Mlr1987