Abstract
Six pasture grasses (bahia grass, Paspalum notatum Flugge, ‘Pensacola’ and ‘Argentine’ and Hemarthria altissima [Poir] Stapf & C. E. Hubb ‘greenalta’, ‘redalta’, ‘bigalta’, and ‘floralta’) were screened for relative susceptibility to damage by mole crickets, Scapteriscus vicinus Scudder and S. acletus Rehn & Hebard. In tests where all six grasses were available, all Hemarthria cultivars suffered less reduction in yield and loss of stand than either of the bahia grasses when infested with S. vicinus. In particular, ‘f1oralta’ seemed to suffer less from mole cricket infestation. However, in tests for resistance or tolerance of ‘floralta’ to mole cricket damage when no alternative food was available, S. vicinus caused damage that was as severe (>90% reduction of yield) as damage inflicted on the more widely used bahia grasses.
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