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Blissus occiduus Barber has emerged as an important insect pest of buffalograss, Buchloë dactyloides (Nuttall) Engelmann, in Nebraska. This research evaluated selected buffalograss germplasm for resistance to B. occiduus. Eleven buffalograss selections were screened for chinch bug resistance in three greenhouse studies and two field evaluations. Based on chinch bug damage, NE91-118, 'Tatanka', 'Bonnie Brae', and 'Cody' were rated highly to moderately resistant. These four buffalograsses exhibited minimal damage, even though all were heavily infested with chinch bugs. NE84-45-3 and '378' were highly susceptible to B. occiduus. Field evaluations confirmed chinch bug resistance ratings under field conditions. NE91-118 displayed high levels of resistance in the field screening evaluations, whereas Cody and Tatanka showed moderate levels of resistance, and 378 was highly susceptible.
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| http://dx.doi.org/10.1603/0022-0493-95.5.1054 | DOI Listing |
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- - The southern chinch bug, a pest that mainly targets St. Augustine grass, has been identified by the EFSA as a potential threat to the EU, particularly since it was first found in Portugal in 2019 and has since spread to multiple municipalities.
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- - The southern EU regions, especially around the Atlantic and Mediterranean, are likely to be suitable for the bug's establishment, which could lead to significant impacts on St. Augustine grass, as observed in Portugal; preventive measures and management options exist to address this concern.
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