NY Sweet Corn Trap Network Report 6.4.19

Sixteen sites reporting this week. Three sites caught European corn borer (ECB)-E and one site caught ECB-Z. European corn borer egg masses and common armyworm were found in fields of V5 and V8 corn this week.

Corn earworm was caught at 3 sites (Portville, Hurley and Penn Yan).  While we usually think of corn earworm laying eggs on silks and primarily damaging the ear, they will feed on whorl stage corn if silk stage is not available.  Feeding resembles that of fall armyworm more than European corn borer (see photo below). No fall armyworm moths were caught this week and Western bean cutworm traps will be set over the next week.

Injury to corn leaves caused by corn earworm larvae

Injury to corn leaves caused by corn earworm larvae, Champaign County, June 26, 2008 (photo courtesy of Dan Schaeffer, Illini FS, Tolono, Illinois).

Location ECB-E ECB-Z CEW FAW WBC DD to Date
Accord (Ulster Co.) 0 0 0 0 NA 586
Amsterdam (Fulton Co.) NA NA NA NA NA 414
Athens (Greene Co.) NA NA NA NA NA 528
Attica (Wyoming Co.) 0 0 0 0 NA 407
Avon (Livingston Co.) NA NA NA NA NA 428
Baldwinsville (Onondaga Co.) NA NA NA NA NA 425
Basom (Genesee Co.) NA NA NA NA NA 419
Batavia (Genesee Co.) NA NA NA NA NA 403
Bellona (Yates Co.) NA NA NA NA NA 422
Carlton (Orleans Co.) 0 0 0 0 NA 354
Eagle Bridge (Washington Co.) 0 0 0 0 0 447
Eden (Erie Co.) NA NA NA NA NA 415
Farmington (Ontario Co) 0 0 0 0 NA 425
Feura Bush (Albany Co.) 0 0 NA 0 0 532
Florida (Orange Co.) 0 0 0 0 0 625
Geneva (Ontario Co.) NA NA NA NA NA 401
Greenwich (Washington Co.) NA NA NA NA NA 444
Hamlin (Monroe Co.) NA NA NA NA NA 358
Hurley (Ulster Co.) 62 14 1 0 NA 531
Kennedy (Chautauqua Co.) NA NA NA NA NA 448
Kinderhook (Columbia Co.) 0 0 NA 0 0 532
King Ferry (Cayuga Co.) NA NA NA NA NA 395
Kirkville (Madison Co.) NA NA NA NA NA 444
Lyndonville (Orleans Co.) 0 0 0 0 NA 352
New Paltz (Ulster Co.) NA NA NA NA NA 608
Oswego (Oswego Co.) NA NA NA NA NA 296
Owego (Tioga Co.) NA NA NA NA NA 469
Penn Yan (Yates Co.) 0 0 1 0 NA 417
Peru (Clinton Co.) 0 0 0 0 0 307
Plattsburgh (Clinton Co.) 0 0 0 0 0 337
Plessis (Jefferson Co.) NA NA NA NA NA 301
Portville (Cattaraugus Co.) 0 0 6 0 NA     449
Preble (Cortland Co.) NA NA NA NA NA 316
Ransomville (Niagara Co.) NA NA NA NA NA 345
Schaghticoke (Rensselear Co.) NA NA NA NA NA 518
Seneca Castle (Ontario Co.) 2 0 0 0 NA 378
Sharon Springs (Schoharie Co.) NA NA NA NA NA 430
Sherwood (Cayuga Co.) NA NA NA NA NA 384
South Colton (St. Lawrence Co.) NA NA NA NA NA 239
Stone Ridge (Ulster Co.) NA NA NA NA NA 515
Tivoli (Dutchess Co.) 1 0 0 0 0 582
Williamson (Wayne Co.) NA NA NA NA NA 324
ECB – European Corn Borer
CEW – Corn Earworm
FAW – Fall Armyworm
WBC – Western Bean Cutworm
NA – not available
DD – Degree Day (base 86/50) accumulation  Climate Smart Farming
trap catches for the week of 5.28.19 – 6.4.19