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Insects Feeding
on this Plant:

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Lactuca canadensis
(Wild Lettuce) [Asteraceae]
(Observations are from Hottes & Frison, Felt, Gangwere, Pepper, Spencer & Steyskal, Natural History Museum, ScaleNet)

Diptera (Flies)
Agromyzidae: Liriomyza trifolii [larvae are leaf-miners, polyphagous; widespread in E USA] SS1986

Homoptera (Sucking Insects)

Aphididae: Uroleucon ambrosiae (Brown Ambrosia Aphid) [possible misidentification, this aphid may be Uroleucon pseudambrosiae] Pp1965, Uroleucon sonchella HF1931; Pseudococcidae: Chorizococcus shaferi [probably polyphagous; found in Missouri & Mississippi] SN2014

Hymenoptera (Bees, Wasps, & Sawflies)
Cynipidae: Aulacidea tumida (Lettuce Tumor Gall Wasp) [syn. Aulacidea tumidus, larvae form irregular swellings on stems] Flt1917

Lepidoptera (Butterflies, Skippers, & Moths)
Noctuidae: Cucullia intermedia (Intermediate Hooded Owlet) [larvae feed on flowers] NHM2010, Papaipema cataphracta (Burdock Borer Moth) NHM2010, Trichoplusia ni (Cabbage Looper Moth) [polyphagous] NHM2010

Orthoptera (Grasshoppers)
Acrididae: Spharagemon collare (Mottled Sand Grasshopper) [feeds on flowerheads, field observations] Ggw1961
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