期刊
APPLIED ENTOMOLOGY AND ZOOLOGY
卷 48, 期 3, 页码 275-282出版社
SPRINGER JAPAN KK
DOI: 10.1007/s13355-013-0183-5
关键词
Bactrocera philippinensis; Bactrocera dorsalis species complex; Pheromone; Methyl eugenol; Mitochondrial DNA
类别
资金
- International Atomic Energy Agency, Vienna
- JSPS from the Ministry of Education, Culture, Sports, Science and Technology of Japan [23380035]
- JST
- International Atomic Energy Agency [16066, 16160]
- Grants-in-Aid for Scientific Research [23380035] Funding Source: KAKEN
Males of the oriental fruit fly, Bactrocera dorsalis (Hendel) and some of its sibling species have strong affinity for methyl eugenol (ME). Methyl eugenol ingested by male flies is biotransformed in the crop to two ME metabolites that eventually accumulate in the rectal gland, which is known to serve as a reservoir for B. dorsalis sex pheromones. When fed with ME, males of laboratory and wild B. philippinensis Drew and Hancock selectively accumulated two metabolites, 2-allyl-4,5-dimethoxyphenol and (E)-coniferyl alcohol, in the rectal gland, as was seen for B. dorsalis sensu stricto, B. invadens Drew, Tsuruta and White, and B. papayae Drew and Hancock. Phylogenetic analysis of COI and rDNA sequence data of these four taxa also revealed a close relationship among B. philippinensis, B. dorsalis s.s., B. invadens, and B. papayae (all four are members of the dorsalis species complex). This result corroborates pheromone analysis. The usefulness of pheromonal analysis as a chemotaxonomy tool to complement molecular and other analysis in differentiation of closely related sibling species within the Bactrocera dorsalis complex, for which use of morphological characters had been inadequate, is highlighted.
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