Neotropical Entomology (2021) 50, 282-288

Thais F.S. De Freitas, E.R. Hickel, Ashot Khrimian, Miguel Borges, Mirian F.F. Michereff, José Alexandre Barrigossi, Raúl Alberto Laumann, S.D. Guggilapu, Josué Sant'Ana and Maria Carolina Blassioli-Moraes (2021)
Field responses of rice stalk stink bug, Tibraca limbativentris, to synthetic sex pheromone and isomers of 1,10-bisaboladien-3-ol
Neotropical Entomology 50 (2), 282-288
Abstract: The rice stalk stink bug, Tibraca limbativentris Stål, is an important rice pest in Brazil, causing significant damage to rice plants and consequently yield losses, with a high invasive potential in Mexico and USA. The male-produced sex pheromone of this species was recently identified as a 7:3 mixture of (3S,6S,7R)-1,10-bisaboladien-3-ol (1) and (3R,6S,7R)-1,10-bisaboladien-3-ol (5) (a.k.a. zingiberenols). The aim of this study was to evaluate field responses of T. limbativentris females to the racemic mixture and stereoisomers of 1,10-bisaboladien-3-ol, including the male-produced sex pheromone. The results obtained in two rice-producing areas of Brazil (Rio Grande do Sul and Santa Catarina) showed that traps baited with the main component 1 alone, the racemic mixture, and a mixture of 1 and 5 were attractive to females of T. limbativentris. The minor component 5 was unable to attract females when used alone. The results indicate that the sex pheromone of T. limbativentris and racemic mixture of 1,10-bisaboladien-3-ol were equally attractive to co-specific females in rice fields, and they could be a tool to incorporate in rice stalk stink bug management programs.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Ashot Khrimian, Miguel Borges, José Alexandre F. Barrigossi, Raúl Alberto Laumann, Maria Carolina Blassioli-Moraes

Research topic(s) for pests/diseases/weeds:
pheromones/attractants/traps

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Tibraca limbativentris	Rice (Oryza)	Brazil (south)