Identification of sex pheromone components of a New Zealand geometrid moth, the common forest looper Pseudocoremia suavis, reveals a possible species complex
| Autor: | Ashraf M. El-Sayed, Hervé Jactel, L. Berndt, Eckehard G. Brockerhoff, D. Comeskey, David M. Suckling, A. R. Gibb |
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| Přispěvatelé: | Horticulture and Food Research Institute of New Zealand (HortResearch), Biodiversité, Gènes et Ecosystèmes (BioGeCo), Institut National de la Recherche Agronomique (INRA)-Université Sciences et Technologies - Bordeaux 1 |
| Rok vydání: | 2005 |
| Předmět: |
0106 biological sciences
Male Species complex Ennominae [SDV]Life Sciences [q-bio] PSEUDOCOREMIA FENERATA Moths 010603 evolutionary biology 01 natural sciences Biochemistry PINUS RADIATA Gas Chromatography-Mass Spectrometry GEOMETRIDAE Lepidoptera genitalia BEHAVIORAL ANTAGONIST Botany ENNOMINAE Animals Scent Glands Sex Attractants Ecology Evolution Behavior and Systematics COMMON FOREST LOOPER SPECIES COMPLEX PSEUDOCOREMIA SUAVIS biology Behavior Animal Pinus radiata General Medicine biology.organism_classification Pinus PSEUDOCOREMIA LEUCEAEA 010602 entomology INSECTE Taxon Pinaceae Sex pheromone Female PEST analysis New Zealand |
| Zdroj: | Journal of Chemical Ecology Journal of Chemical Ecology, Springer Verlag, 2006, 32 (4), pp.865-879. ⟨10.1007/s10886-006-9031-1⟩ |
| ISSN: | 0098-0331 1573-1561 |
| DOI: | 10.1007/s10886-006-9031-1⟩ |
| Popis: | International audience; Gas chromatography-electroantennographic detection analysis of sex pheromone gland extracts of the common forest looper Pseudocoremia suavis (Lepidoptera: Geometridae), a polyphagous defoliator of introduced Pinaceae and many New Zealand trees, revealed four compounds that elicited antennal responses. The two major active compounds (6Z)-cis-9,10-epoxynonadec-6-ene and (3Z,6Z)-cis-9,10-epoxynonadeca-3,6-diene were identified by comparison with known standards. Of the two minor active compounds, one was tentatively identified as (3Z,6Z)-cis-9,10-epoxyhenicosa-3,6-diene, whereas the other could not be identified because of insufficient amounts in extracts. (6Z)-cis-9,10-Epoxynonadec-6-ene, (3Z,6Z)-cis-9,10-epoxynonadeca-3,6-diene, and (3Z,6Z)-cis-9,10-epoxyhenicosa-3,6-diene were present in P. suavis gland extracts from Eyrewell Forest, a Pinus radiata plantation in the South Island of New Zealand, in a ratio of 35:65:5, respectively. Trapping trials in Eyrewell Forest established that (6Z)-cis-9,10-epoxynonadec-6-ene attracted male P. suavis. However, addition of (3Z,6Z)-cis-9,10-epoxyhenicosa-3,6-diene to the lure at < 10% of (6Z)-cis-9,10-epoxynonadec-6-ene reduced capture of male moths, suggesting that one of its enantiomers was acting as a behavioral antagonist. During January-March of 2005, a blend trial involving single, binary, and ternary mixtures of the three components at Eyrewell Forest and at three other sites (two in the South Island and one in the North Island) revealed the existence of a second taxon of P. suavis at the three additional sites that was attracted to lures containing (3Z,6Z)-cis-9,10-epoxynonadeca-3,6-diene, either singly or in binary and ternary mixtures with (6Z)-cis-9,10-epoxynonadec-6-ene and (3Z,6Z)-cis-9,10-epoxyhenicosa-3,6-diene. This second taxon was not attracted to lures loaded solely with (6Z)-cis-9,10-epoxynonadec-6-ene |
| Databáze: | OpenAIRE |
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