Sex-specific elicitor from Adoxophyes honmai (Lepidoptera: Tortricidae) induces tea leaf to arrest
Sex-specific elicitor from Adoxophyes honmai (Lepidoptera: Tortricidae) induces tea leaf to arrest
复制标题
Adoxophyes honmai(鳞翅目:Tortricidae)的性别特异性诱导子诱导茶叶停滞
DOI:
10.1007/s13355-016-0407-6
复制
发表时间:
2016
影响因子:
1.3
通讯作者:
Y. Sato and Y. Kainoh
中科院分区:
文献类型:
--
作者:
Piyasaengthong;N.;N. Kinoshita;Y. Sato and Y. Kainoh
Ascogaster reticulataWatanabe (Hymenoptera: Braconidae) is an egg–larval endoparasitoid wasp of several tortricid species, includingAdoxophyes honmaiYasuda (Lepidoptera: Tortricidae). Little information is available on how this parasitoid can findA. honmaieggs using cues produced by tea plants in tritrophic interactions. Therefore, we focused on parasitoid responses to egg-laden tea leaves to determine the source of elicitors of these responses. In two-choice contact bioassays, female wasps spent longer on egg-laden leaves or leaves treated with host female reproductive system homogenates than on intact or untreated leaves at 24 or 48 h after initiating treatment. When tea leaves were treated with diluted host mated-female reproductive system homogenates, wasp residence time was reduced compared with the residence time spent on tea leaves treated with the original concentration of homogenates (reproductive system + 10 μl Ringer’s solution). Moreover, the leaves treated with virgin female reproductive system homogenates also arrested wasps. We conclude that egg deposition byA. honmaiinduces changes in tea leaves that affect parasitoid behavior. The elicitor of these changes likely occurs in the reproductive system of female moths.