Insects Feeding
on these Plants

Andropogon spp.
(Beardgrass, Bluestem) [Poaceae]
(Observations are from Vaurie, Clark et al., Stannard, Wyoming Agr. Exp. Sta., Wagner, DeLong, Arment, Blackman & Eastop, Vickery & Kevan, Opler & Krizek, Majka et al., Natural History Museum, Panzer et al., ScaleNet)

Coleoptera (Beetles)
Chrysomelidae: Anisostena nigrita Clk2004; Curculionidae: Sphenophorus destructor (Destructive Billbug) Vau1983, Trigonorhinus sticticus [this insect is widely distributed, it is associated with smut fungi on various grasses] MAM2007 

Homoptera (Sucking Insects)
Aphididae: Anoecia cornicola [dogwood shrubs are primary hosts, migrating to grass roots during the summer] BE2013, Sipha flava (Yellow Sugar Cane Aphid) [found on leaf blades of various grasses & sedges] BE2013; Caliscelidae: Bruchomorpha dorsata [Schizachyrium scoparium is a host plant] Pnz2006; Cicadellidae: Laevicephalus unicoloratus [found in black soil prairie & sand prairie; Andropogon gerardii is a host plant] Dlg1948, Polyamia caperata Pnz2006; Diaspididae: Melanaspis marlatti (Marlatt Scale) [this insect has been found in Florida, Georgia, Texas, Kansas, & South Darkota] SN2014; Pseudococcidae:
Paradoxococcus mcdanieli (Johnson Grass Mealybug) [found on roots; this insect occurs in eastern USA as far north as New Jersey & Mississippi] SN2014, Trionymus caricis (Carex Mealybug) [found underneath leaf sheaths; this insect occurs in Maryland, Massachusetts, Tennessee, & elsewhere in the USA] SN2014

Lepidoptera (Butterflies, Skippers, & Moths)
Hesperiidae: Atrytone logan (Delaware Skipper) OK1984, Hesperia metea (Cobweb Skipper) OK1984; Nymphalidae: Cercyonis pegala (Common Wood Nymph) Wg2005 NHM2010

Orthoptera (Grasshoppers)
Acrididae: Dissosteira carolina (Carolina Grasshopper) Wy1994

Phasmatodea (Walkingsticks)
Diapheromeridae: Diapheromera velii (Prairie Walkingstick) [found in clumps of prairie grasses] Arm2006 VK1985

Thysanoptera (Thrips)
Aeolothripidae: Stomatothrips crawfordi [found on a hill prairie] Pnz2006; Phlaeothripidae: 
Eurythrips ampliventralis [found in root-mass] St1968 Pnz2006, Eurythrips hindsi [found in root-mass of grass, including Andropogon virginicus] St1968 Pnz2006, Glyptothrips arkansus [found in tussocks of grass, including Andropogon virignicus; syn. Glyptothrips arkansanus] St1968 Pnz2006, Glyptothrips flavescens [found in tussocks of grass] St1968, Tylothrips osborni [found in tussocks of grass] St1968; Thripidae: Adraneothrips exiguus [found in root-mass] St1968, Anaphothrips catawba [found in upland prairies] St1968, Anaphothrips nanus St1968, Chirothrips insolitus [found on high knob] St1968, Chirothrips texanus [this insect may be polyphagous; syn. Arorathrips texanus] Pnz2006, Dorcadothrips walteri [found on hill prairies] St1968, Frankliniella unicolor Pnz2006