Identification and Field Evaluation of the Sex Pheromone of Orthaga achatina (Lepidoptera: Pyralidae)

Identification and Field Evaluation of the Sex Pheromone of Orthaga achatina (Lepidoptera: Pyralidae)
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鳞翅目螟蛾(Orthaga achatina)性信息素的鉴定与现场评价

DOI:
10.1007/s10886-018-0997-2
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发表时间:
2018-08
影响因子:
2.3
通讯作者:
Shuang Lin Dong
Shuang Lin Dong
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Qi Yan;Hai Dong Li;Yan Chen;Zhan Feng Ye;Xi Yu You;Jun Zhou;Lan Fang Mu;Shi Jing Liu;Xiang Bo Kong;Sajjad Ali Khuhro;Shuang Lin Dong

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天牛是中国南部樟树上为害最严重的害虫。PRESL,重要的城市树种。气相色谱-电触角图法(GC-EAD)检测华山梨性信息素有3种EAD活性成分。气相色谱/质谱联用分析鉴定为(Z)-11-十六烯醇(Z11-16:OH)、(Z)-11-十六烯基乙酸酯(Z11-16:OAc)和(3Z,6z,9Z,12Z,15Z)-三十碳五烯(Z3,Z6,Z9,Z12,Z15-23:H)。在田间试验中,雄蛾被Z11-16:OAc和Z3、Z6、Z9、Z12、Z15-23:H的混合物吸引,而对其他混合物的吸引较少。进一步进行了两种化合物不同配比的现场试验,确定了二元混合物的最佳配比为500:250。在Z11-16:OAc或Z11-16:OAc与戊烯的二元混合物中添加Z11-16:OH没有产生更高的捕获量。这表明Achat ina使用I型和II型性信息素的混合物。玉米蛾Orthaga Achat ina是第三个利用Z3、Z6、Z9、Z12、Z15-23:H为性信息素组分的菊总科昆虫。
Orthaga achatina (Lepidoptera: Pyralidae) is the most serious pest in south China of camphor trees, Cinnamomum camphora (L.) Presl, an important urban tree species. Gas chromatography-electroantennographic detection (GC-EAD) of the sex pheromone of O. achatina showed three EAD-active components. Coupled gas chromatography/mass spectrometry analyses identified these as (Z)-11-hexadecenol (Z11-16:OH), (Z)-11-hexadecenyl acetate (Z11-16:OAc), and (3Z,6Z,9Z,12Z,15Z)-tricosapentaene (Z3,Z6,Z9,Z12,Z15-23:H). In field tests using different combinations of the three compounds, male moths were attracted to a mixture of Z11-16:OAc and Z3,Z6,Z9,Z12,Z15-23:H, but less attracted to other blends. Further field tests with different ratios of the two compounds determined the optimal ratio of the binary blend as 500:250. The addition of Z11-16:OH to Z11-16:OAc, or to the binary mixture of Z11-16: OAc and the pentaene did not yield higher catches. This shows that O. achatina uses a mixture of Type I and Type II sex pheromone components. Orthaga achatina is the third Pyraloidea species found to utilize Z3,Z6,Z9,Z12,Z15-23:H as a sex pheromone component.
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