title: Female sex pheromone of a lichen moth Eilema japonica (Arctiidae, Lithosiinae): components and control of production.
abstract: Seven candidates for components of the female sex pheromone of Eilema japonica (Arctiidae, Lithosiinae) were detected in an extract of pheromone glands with a gas chromatograph-electroantennographic detector. The compounds were identified as (Z,Z)-6,9-icosadiene (D20), (Z,Z)-6,9-henicosadiene (D21), (Z,Z,Z)-3,6,9-henicosatriene (T21), (Z,Z)-6,9-docosadiene (D22), (Z,Z,Z)-3,6,9-docosatriene (T22), (Z,Z)-6,9-tricosadiene (D23), and (Z,Z,Z)-3,6,9-tricosatriene (T23). Assays using synthetic lures in a wind tunnel showed that D21 (proportion, 0.39), T21 (0.08), D22 (0.27), and T22 (0.26) are important for evoking full behavioral responses from the males. Titers of the pheromone components did not show clear temporal fluctuations. Moreover, decapitation of the female moth had no effect on the titers of pheromone components in the pheromone gland, suggesting that cephalic endocrine factors such as pheromone biosynthesis activating neuropeptide (PBAN) are not involved in the control of pheromone biosynthesis in this species.
authors.affiliation: Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan. pippi.boo@gmail.com
authors.forename: Takeshi
authors.initials: T
authors.lastname: Fujii
authors.forename: Ryo
authors.initials: R
authors.lastname: Nakano
authors.forename: Yoshiko
authors.initials: Y
authors.lastname: Takubo
authors.forename: Shuguang
authors.initials: S
authors.lastname: Qian
authors.forename: Rei
authors.initials: R
authors.lastname: Yamakawa
authors.forename: Tetsu
authors.initials: T
authors.lastname: Ando
authors.forename: Yukio
authors.initials: Y
authors.lastname: Ishikawa
mesh_terms: D000818:Animals; D005260:Female; D008401:Gas Chromatography-Mass Spectrometry; D006839:Hydrocarbons, Acyclic / Q000032:analysis*; D008297:Male; D009036:Moths / Q000737:chemistry* / Q000378:metabolism*; D012724:Sex Attractants / Q000032:analysis / Q000096:biosynthesis*; D012726:Sexual Behavior, Animal / Q000502:physiology
chemical_list: D006839:Hydrocarbons, Acyclic; D012724:Sex Attractants