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A replicated greenhouse evaluation of a range of commercial and noncommercial (Capsicum spp.) accessions for resistance to european corn borer (ECB) (Ostrinia nubilalis (Hubner)) was conducted. Percentage of fruit damaged was observed among 29 accessions four weeks after plants were artifi cially infested with ECB egg masses. Small-fruited peppers generally showed lower levels of damage, while large-fruited peppers were the most susceptible. Genotypes with elongate fruit were less damaged than those with bell-shaped fruit. Resistance to fruit damage was also associated with increasing pungency level, with two notable excep- tions. The pungent genotype 'Large Red Thick Cayenne' was signifi cantly more susceptible than many of the other pungent accessions tested. The relative susceptibility of this accession may be related to large fruit size. The nonpungent pepper 'Corno di Toro' showed signifi cantly lower percent fruit damage than other nonpungent peppers including 'Banana Supreme' with roughly similar fruit size, ranking amidst highly pungent peppers such as 'Red Scotch Bonnet'. These results confi rm that resistance to ECB can be identifi ed in nonpungent Cap- sicum genotypes and demonstrate that pungency is not always correlated with ECB damage. Reported sources of aphid resistance or tolerance showed good levels of ECB resistance, but interpretation of these results was confounded by the presence of pungency. small amount of sawdust-like frass as the only indication of fruit infestation. ECB develop through fi ve larval instars before they pupate and become adults; a process which in maize is ≈30 d in duration. Within infested pepper fruit, fi rst and second larval instars feed primarily on calyx and placental tissues, while later instars continue development in the primary fruit or move to bore into secondary fruit or stems. Wounds produced by ECB entry holes promote bacterial infection of the fruit by Erwinia caro- tovora. As fruit progressively deteriorate due to soft rot, larvae move into uninfected fruit, spreading the disease. In southern New England and comparable environments, the second fl ight of bivoltine ECB strains coincides with pepper fruit set in production fi elds. Integrated pest management control recom-

Greenhouse Evaluation of Capsicum Accessions for Resistance to European Corn Borer (Ostrinia nubilalis)