Full TGIF Record # 105366
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Author(s):De Graaf, J.; Schoeman, A. S.; Brandenburg, R. L.
Author Affiliation:De Graaf and Schoeman: Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa; Brandenburg: Department of Entomology, North Carolina State University, Raleigh, North Carolina
Title:Temporal and spatial density variation of Neosorius brevipennis (Coleoptera: staphylinidae) on turfgrass in South America
Other records with the "Pests" Section
Meeting Info.:Llandudno, Wales, UK: July 10-15, 2005
Source:International Turfgrass Society Annexe - Technical Papers 2005. Vol. 10, 2005, p. 73-74.
# of Pages:2
Publishing Information:Aberystywth, Ceredigion, UK: International Turfgrass Society
Keywords:TIC Keywords: Geographic distribution; Pests; Coleoptera; Pest profile; Agrostis stolonifera; Pennisetum clandestinum; Population dynamics; Soil profiles
Abstract/Contents:Discusses a study conducted "to obtain ecological information in terms of the annual population densities, soil profile distributions, and quantifying surface soil mounds of N. brevipennis on bentgrass (Agrostis stolonifera L.) and kikuyu grass (Pennisetum clandestinum Hochst. ex. Chiov.)." States that study was conducted at Wingate Park Country Club in Pretoria, Gauteng, South Africa from November 1999 to October 2000. States that "five random samples were taken from with a putting green hole cutter (diameter: 110 mm and depth: 100 mm) on a green (bent grass) and on a fairway (kikuyu grass), respectively, to examine the distribution and population densities of adult and immature rove beetles in the soil profle. Eggs were not included in the study." Results indicate that "fipronil and thiamethoxam were effective in controlling the early instar nymphs, resultin in no measureable infestation 21 days after application. Relative to the control, fipronil (Regent) treatment showed a significant density decline three days after treatment, whilst fipronil (Termidor) and thiamethoxam caused a significant reduction after seven days. Furfural caused a gradual and significan decline in infestation relative to the control, but provided very low levels of control." Concludes that "fipronil treatments caused significant reductions (after 14 days) in the popoulation consisting of late instar and adults. Thiamethoxam treatment did result in density reduction, but was not significantly different to the control over the monitoring period. Furfural treated turf did not show a significant reduction in G. africana infestation. Mole cricket density declined unexpectedly (over the monitoring period) in the control block. Relative constant adult numbers in the control block (data not shown) over the study period may have indicated that adults emigrated...by flight during this period and that moulting final instar nymphs...maintained constant adult numbers."
Geographic Terms:South Africa
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
De Graaf, J., A. S. Schoeman, and R. L. Brandenburg. 2005. Temporal and spatial density variation of Neosorius brevipennis (Coleoptera: staphylinidae) on turfgrass in South America. Int. Turfgrass Soc. Annexe - Tech. Pap. 10:p. 73-74.
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MSU catalog number: SB 433 .I54 v.10 Annexe 2005
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