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| Full TGIF Record # 160044 Item 1 of 1 |
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| Web URL(s): | http://usgatero.msu.edu/v09/n04.pdf Last checked: 02/26/2010 Requires: PDF Reader |
| Publication Type: | Report |
| Author(s): | Held, David W.; Abraham, C. M. |
| Author Affiliation: | Held: Assistant Professor, Department of Entomology and Plant Pathology, Auburn University, Auburn, AL; Abraham: Doctoral Graduate Student, Department of Entomology, University of Georgia, Athens, GA |
| Title: | Biology of Larra bicolor, a parasitoid of mole crickets, and potential ornamental plants as nectar sources |
| Source: | USGA Turfgrass and Environmental Research Online. Vol. 9, No. 4, February 15 2010, p. [1-10]. |
| Publishing Information: | Far Hills, NJ: United States Golf Association, Green Section |
| # of Pages: | 12 |
| Keywords: | TIC Keywords: Parasitic insects; Larra bicolor; Mole crickets; Ornamental plants |
| Abstract/Contents: | "Larra bicolor, a parasitic wasp of mole crickets, is one of three natural enemies imported and introduced into Florida for biological control of mole crickets and has since expanded its range into Alabama and Mississippi and has been introduced into Georgia and Louisiana. The presence of nectar sources are important to the establishment of L. bicolor. The objectives of this study were to compare the recruitment of adult L. bicolor to ornamental plants, to evaluate potential passive monitoring techniques, and to determine the seasonal and diurnal activity of L. bicolor. Results of this study include: No wasps were observed on the patches of grass treated with sugar water or on the foliage of trees sprayed with sugar water. In a test to evaluate the effectiveness of pan-type traps, sets of plastic bowls (white, yellow, and clear) were placed 0.5 m apart around the edge of the flower garden containing flowering Spermococe verticillata and Pentas lanceolata. No wasps were captured in any of the bowls, although adults were active on flowers during these experiments. In 2007 and 2008, a garden of potential nectar sources was planted on the grounds of the Coastal REC, Biloxi, MS. In both years, L. bicolor wasps were only observed on flowers of pentas and spermacoce. The number of wasps found on spermacoce and white-flowered pentas was double the number found on either red- or pink-flowered pentas. Laboratory trials were conducted to determine longevity of wasps provisioned with flowering S. verticillata or pentas. In Trial 1, wasps provisioned with pentas flowers lived 4.75 days longer than those provisioned with spermacoce. In Trial 2, average survival of wasps ranged from 3-4.5 days, and there was no significantly different between treatments. Seasonal activity of L. bicolor was monitored on four sites in coastal Mississippi from 2006-2008. Wasps are active from June to November and were active later in the season on flowering plants. Daily activity begins at 0700 in August and 0900 hours in October and continues to near dusk." |
| Language: | English |
| References: | 16 |
| See Also: | Other Reports from this USGA research project: 2006-26-334 |
| Note: | Summary as abstract Pictures, color Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Held, D. W., and C. M. Abraham. 2010. Biology of Larra bicolor, a parasitoid of mole crickets, and potential ornamental plants as nectar sources. USGA Turfgrass Environ. Res. Online. 9(4):p. [1-10]. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/160044 |
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| Web URL(s) : | http://usgatero.msu.edu/v09/n04.pdf Last checked: 02/26/2010 Requires: PDF Reader |
| MSU catalog number: | b3952822a |
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