Trap sites
| State | County | Trap |
| Iowa | Adair | Neely-Kinyon farm |
| Iowa | Adams | Corning |
| Iowa | Adams | Adams County North |
| Iowa | Benton | Union Twsp Section 19 |
| Iowa | Boone | Sect 16 Jackson |
| Iowa | Buena Vista | Frank Klahs farm |
| Iowa | Buena Vista | Ehlers Crop Scout 4-H |
| Iowa | Buena Vista | Across the road from Joe's House |
| Iowa | Carroll | east of Carroll |
| Iowa | Cedar | Probst Farm |
| Iowa | Clarke | 6 miles south of Osceola |
| Iowa | Clay | Gillett Grove sec 18 |
| Iowa | Davis | road side-near corn field |
| Iowa | Decatur | Center Twp.-2 Mi. N. of Leon on Hwy 69-in S. fenceline |
| Iowa | Fayette | Located on Muskrat Road NE of Collin Jensen Farm site |
| Iowa | Floyd | Union Twp, Sec 36. 1 mi north of Greene |
| Iowa | Fremont | Percival |
| Iowa | Fremont | Neb City |
| Iowa | Fremont | Sidney East |
| Iowa | Fremont | Farragut |
| Iowa | Fremont | Walnut Creek |
| Iowa | Fremont | Hamburg North |
| Iowa | Grundy | East of Ackley |
| Iowa | Hamilton | Larry Meyer Farm |
| Iowa | Hancock | Northern Research Farm in Sec 28, Amsterdam township |
| Iowa | Hancock | Denhardt Elevator Magor 14 |
| Iowa | Humboldt | In an apple tree by field SW corner of farm |
| Iowa | Johnson | Madison Township, 2 miles N of North Liberty |
| Iowa | Johnson | Fremont Township Section 34 |
| Iowa | Johnson | Lone Tree |
| Iowa | Keokuk | Coal Creek |
| Iowa | Lee | S. of Donnellson |
| Iowa | Louisa | Gerot Farm |
| Iowa | Madison | Northwest Madison Co., Earlham Area |
| Iowa | Mahaska | Oskaloosa |
| Iowa | Marion | Toby Richards farm |
| Iowa | Marion | Gib Dean farm |
| Iowa | Marion | De Vries farm |
| Iowa | Marion | Van Haaften farm |
| Iowa | Monona | a site near Lossing, Iowa |
| Iowa | Monona | Western Research Farm |
| Iowa | Monroe | Gray Farm |
| Iowa | Muscatine | Muscatine Island Research Farm, Fruitland |
| Iowa | Muscatine | Meacham Farm |
| Iowa | Osceola | West Holman 2 near Sibley |
| Iowa | Page | Shenandoah |
| Iowa | Plymouth | S of DeJong home |
| Iowa | Pottawattamie | Gronborgs |
| Iowa | Pottawattamie | Armstrong Research Farm |
| Iowa | Ringgold | Benton |
| Iowa | Ringgold | Redding |
| Iowa | Sac | Sac County Extension |
| Iowa | Sac | Home Farm |
| Iowa | Shelby | Bill Holloway Farm |
| Iowa | Sioux | Suncrest Angus Ranch |
| Iowa | Taylor | Lenox |
| Iowa | Union | Creston |
| Iowa | Wapello | Agency Ia Golden furrow Fertilizer plant site. Wapello County, Agency Twp, Section 1 |
| Iowa | Warren | Bill Bruere Farm |
| Iowa | Wayne | 2 miles South of Humeston |
| Iowa | Webster | 2 miles S of Otho, Anderson farm |
| Iowa | Winnebago | Harlan Asmus farm |
| Iowa | Winneshiek | Decorah Township Section 10 |
| Iowa | Woodbury | East of building site |
| Iowa | Worth | Five Star Coop |
| Iowa | Wright | NCC Test Plot Norway 13 |
| Iowa | Wright | Claude Test Plot Woolstock 27 |
| Iowa | Wright | Section 26/23, Belmond Township, Wright County, Belmond, Iowa |
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