Insects Feeding
on this Plant:


Ulmus americana
(American Elm) [Ulmaceae]
(Observations are from Knight, Hottes & Frison, Dmitriev & Dietrich, Dennis, Rider, Clark et al., Covell, MacRae, Needham et al., Smith, Blackman & Eastop, Wheeler et al., Watson, Opler & Krizek, Pepper, Robinson & Bradley, Spencer & Steyskal, Majka et al., Cranshaw, ScaleNet)

Coleoptera (Beetles)
Buprestidae: Anthaxia viridifrons Mcr1991, Brachys aerosus [larvae are leaf-miners] Ndm1928; Chrysomelidae: Altica ulmi Clk2004, Calligrapha scalaris (Elm Calligrapha) [both adults & larvae feed on leaves] Clk2004, Monocesta coryli (Large Elm Leaf Beetle) [both adults & larvae feed on leaves] Clk2004, Xanthogaleruca luteola (Elm Leaf Beetle) [both adults & larvae feed on leaves] Crw2004 Clk2004; Curculionidae: Orchestes pallicornis (Apple Flea Weevil) [larvae are leaf-miners] Ndm1928, Phyllobius oblongus (European Snout Weevil) [polyphagous; adults feed on leaves of trees, larvae feed on roots of other plants] MAM2007

Diptera (Flies)
Agromyzidae: Agromyza aristata (Elm Agromyzid Leafminer) [larvae are leaf-miners; widespread in NE & Midwest USA] Ndm1928 SS1986

Heteroptera (True Bugs)
Miridae: Deraeocoris aphidiphagus WHM1983, Lygocoris invitus Kn1941, Paraproba capitata WHM1983, Plagiognathus modestus Wat1928, Reuteria irrorata [found in moderately moist situations] Kn1941 WHM1983 Wat1928; Pentatomidae: Brochymena quadripustulata (Four-Humped Stink Bug) Rid2009 

Homoptera (Sucking Insects)
Aphididae: Colopha graminis [forms cockscomb-like galls on the upper surfaces of elm leaves, migrating during the summer to the roots, stems, & leaves of various grasses] BE2013 Pp1965, Colopha ulmicola (Elm Cockscomb Aphid) [forms elongated cockscomb-like galls on elm leaves, migrating during the summer to the upper stems & leaves of Eragrostis spp. & possibly other grasses] HF1931 BE2013 Pp1965 RB1965 Crw2004, Eriosoma americanum (Woolly Elm Aphid) [rolling the leaves of elms downward during the spring, and migrating during the summer to the roots of Amelanchier spp.] BE2013 Pp1965 RB1965, Eriosoma crataegi (Woolly Hawthorn Aphid) [found on twigs & young shoots of hawthorns, migrating during the summer to the bark of elms] BE2013, Eriosoma lanigerum (Woolly Apple Aphid) HF1931 Pp1965 RB1965, Eriosoma mimicum [probably forming leaf-curl galls] BE2013, Eriosoma rileyi [found on the bark of trunks & branches, causing deformation of woody tissue; this aphid is found on elm throughout the year] BE2013, Georgiaphis gillettei [syn. Eriosoma gillettei, forms leaf-curl galls; this aphid is distributed in E USA, including Illinois] BE2013, Tinocallis ulmifolii (Elm Leaf Aphid) [found on the undersides of elm leaves; this aphid is distributed in north-central & NE USA, including Illinois] HF1931 Pp1965 RB1965 Crw2004; Cicadellidae: Eratoneura affinis [the preferred host plant] DD2010, Eratoneura ardens [a preferred host plant] DD2010, Eratoneura basilaris [a preferred host plant] DD2010, Eratoneura bigemina [a preferred host plant] DD2010, Eratoneura bispinosa [a preferred host plant] DD2010, Eratoneura campora DD2010, Eratoneura contracta DD2010, Eratoneura stoveri DD2010, Erythridula kanza [polyphagous] DD2010, Erythridula obliqua [a preferred host plant] DD2010, Erythridula ulmosa DD2010, DD2010;Erythridula unicuspidis
Diaspididae: Chionaspis americana (Elm Scurfy Scale) [females are usually found on bark, while males are usually found on leaf undersides; this polyphagous insect is widely distributed in the USA] SN2014, Clavaspis ulmi (Elm Armored Scale) [usually found on rough bark, preferring Ulmus spp. as host plants; this insect occurs in E USA & Ontario] 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, Hemiberlesia neodiffinis (False Diffinis Scale) [polyphagous, this insect occurs in E USA] SN2014, Melanaspis tenebricosa (Gloomy Scale) [found on bark, polyphagous; this insect occurs in E USA & California] SN2014; Eriococcidae: Eriococcus spurius (European Elm Scale) [found on undersides of leaves during the summer, otherwise this insect is found on branches; syn. Gossyparia spuria] Crw2004; Membracidae: Ceresa bubalus (Buffalo Treehopper) [polyphagous] Den1952, Campylenchia latipes [polyphagous] Den1952, Enchenopa binotata [polyphagous] Den1952, Hadrophallus constans [polyphagous] Den1952, Stictocephala albescens [polyphagous] Den1952, Stictocephala diceros [polyphagous] Den1952, Telamona westcotti Den1952

Hymenoptera (Bees, Wasps, & Sawflies)
Tenthredinidae: Fenusa ulmi (Elm Leafminer) Ndm1928; Xiphydriidae: Xiphydria tibialis [larvae bore into wood, polyphagous] Sm2006

Lepidoptera (Butterflies, Skippers, & Moths)
Geometridae: Phigalia strigataria (Small Phigalia) Cv2005; Gracillariidae: Cameraria ulmella (Elm Leafminer Moth) Ndm1928, Phyllonorycter argentinotella [larvae are leaf-miners] Ndm1928; Nepticulidae: Nepticula apicialbella [larvae are leaf-miners, syn. Stigmella apicialbella] Ndm1928; Nymphalidae: Nymphalis antiopa (Mourning Cloak) OK1984, Polygonia comma (Comma) OK1984, Polygonia interrogationis (Questionmark) OK1984