Insects Feeding
on this Plant

Avena sativa
(Oats) [Poaceae]
(Observations are from Vaurie, Hottes & Frison, Knight, Wyoming Agr. Exp. Sta., Clark et al., Covell, Needham et al., Smith, Cranshaw, Blackman & Eastop, Wheeler et al., Watson, Robinson & Bradley, Spencer & Steyskal)

Coleoptera (Beetles)
Chrysomelidae: Chaetocnema denticulata Clk2004, Chaetocnema pulicaria Clk2004, Diabrotica barberi [adults feed on foliage] Clk2004, Oulema melanopus Clk2004; Curculionidae: Sphenophorus maidis (Maize Billbug) Vau1983 

Diptera (Flies)
Agromyzidae: Cerodontha dorsalis (Grass Sheath Miner) [larvae are leaf-miners, pupating in leaf sheaths; widespread] Ndm1928 SS1986, Cerodontha superciliosa [larvae are leaf-miners; widespread in the northern half of the USA] Ndm1928 SS1986, Liriomyza trifolii [larvae are leaf-miners, polyphagous; widespread in E USA] SS1986

Heteroptera (True Bugs)
Miridae: Stenotus binotatus (Two-Spotted Grass Bug) WHM1983, Trigonotylus ruficornis [found in meadows] Kn1941 Wat1928

Homoptera (Sucking Insects)
Aphididae: Aphis middletonii (Erigeron Root Aphid) [syn. Protaphis middletonii] HF1931, Forda marginata HF1931, Geoica squamosa HF1931, Metopolophium dirhodum (Rose-Grass Aphid) [found on roses, migrating to the leaves of various grasses during the summer, and some sedges & rushes] BE2013 RB1965, Rhopalosiphum maidis (Corn Leaf Aphid) RB1965, Rhopalosiphum padi (Bird Cherry & Oat Aphid) [found on leaf undersides of Bird Cherry & Chokecherry, and rolling them during the spring; migrating to various grasses, iris, & other herbaceous plants during the summer] HF1931 Crw2004 BE2013 RB1965, Schizaphis graminum (Greenbug) HF1931 RB1965, Sitobion avenae (English Grain Aphid) HF1931 RB1965

Hymenoptera (Bees, Wasps, & Sawflies)
Cephidae: Trachelus tabidus (Black Grain-Stem Sawfly) [introduced into North America from abroad] Sm2006

Lepidoptera (Butterflies, Skippers, & Moths)
Noctuidae: Agrotis venerabilis (Venerable Dart) [polyphagous] Cv2005

Orthoptera (Grasshoppers)
Acrididae: Melanoplus femurrubrum (Red-Legged Grasshopper) Wy1994, Melanoplus sanguinipes (Migratory Grasshopper) Wy1994