Table 2.1-5. Key small-grain insects.
| Attacks oats, wheat, barley, and rye | |
|---|---|
| In spring: | |
| Cereal leaf beetle | True armyworm |
| Aphid spp. | |
| In early summer: | |
| True armyworm | Grasshoppers |
| In late summer and fall: | |
| Hessian fly | Aphid spp. |
| Fall armyworm | |
| Attacks oats, wheat, barley, and rye | |
|---|---|
| In spring: | |
| Cereal leaf beetle | True armyworm |
| Aphid spp. | |
| In early summer: | |
| True armyworm | Grasshoppers |
| In late summer and fall: | |
| Hessian fly | Aphid spp. |
| Fall armyworm | |
