Insects Feeding
on these Plants

Digitaria spp.
(Crabgrass) [Poaceae]
(Observations are from Vaurie, Barnes, Clark et al., Bouseman et al., Cranshaw, Blackman & Eastop, Brust et al., Opler & Krizek, Natural History Museum, ScaleNet)

Coleoptera (Beetles)
Chrysomelidae: Myochrous denticollis Clk2004; Curculionidae: Sphenophorus maidis (Maize Billbug) Vau1983

Homoptera (Sucking Insects)
Aphididae: Anoecia cornicola [found on dogwood shrubs as primary hosts, migrating during the summer to the roots of grasses] BE2013, Sipha flava (Yellow Sugar Cane Aphid) [found on the leaf blades of various grasses & sedges; widely distributed in the USA, including Illinois] BE2013, Tetraneura nigriabdominalis [forms stalked elongated galls on elm leaves, migrating during the summer to the roots of various grasses; this aphid was introduced into North America, including Illinois, from E Asia] BE2013;
Pseudococcidae: Chorizococcus rostellum (Bermuda Grass Mealybug) [feeds mostly on roots; this insect is found in SE USA as far north as Maryland & Tennessee] SN2014

Lepidoptera (Butterflies, Skippers, & Moths)
Hesperiidae: Atalopedes campestris (Sachem) Bar1999 Bou2006 OK1984, Hylephila phyleus (Fiery Skipper) Bou2006 Crw2004 OK1984 NHM2010; Noctuidae: Leucania ursula (Ursula Wainscot) NHM2010, Mocis texana (Texas Mocis) NHM2010, Redectis vitrea (White-spotted Redectis) NHM2010

Orthoptera (Grasshoppers)
Acrididae: Dichromorpha viridis (Short-winged Green Grasshopper) [this grasshopper is found at woodland edges & openings, moist areas along streams] BHW2008