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Causes
of black turfgrass ataenius and aphodius outbreaks on golf courses
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Rough habitat |
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The populations of ataenius and aphodius larvae varied in the fairway and adjacent irrigated rough of three golf courses in 1992 and 1993. Data are averages (plus or minus the statistically significant difference) of larvae per five cup-cutter soil cores taken at the time of peak larval density. |
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| Ataenius larvae | Aphodius larvae | ||||||
| Location | Year | Date | Fairway | Rough | Date | Fairway | Rough |
| Oakland Hills | 1992 | 20 July | 12.6 ± 1.8* | 4.8 ± 4.6 | 22 June | 14.2 ± 7.2* | 2.8 ± 3.3 |
| Orchard Lake | 1992 | 20 July | 13.2 ± 13.5 | 0.8 ± 1.1 | -- | -- | |
| Franklin Hills | 1992 | 27 July | 2.2 ± 1.6* | 0.4 ± 0.5 | -- | -- | |
| Oakland Hills | 1993 | 19 July | 1.6 ± 1.7 | 0.0 ± 0.0 | 14 June | 11.2 ± 9.5 | 2.4 ± 2.5 |
| Orchard Lake | 1993 | 26 July | 3.8 ± 3.0* | 0.0 ± 0.0 | 26 July | 3.2 ± 2.8* | 0.0 ± 0.0 |
| Franklin Hills | 1993 | 26 July | 6.6 ± 2.9* | 0.0 ± 0.0 | -- | -- | |
| * Indicates fairway average is significantly different from rough average. | |||||||