title: Monoterpenes from larval frass of two Cerambycids as chemical cues for a parasitoid, Dastarcus helophoroides.
abstract: Anopiophora glabripennis (Motsch.) (Coleoptera: Cerambycidae) is a destructive woodborer, attacking many species of deciduous hardwood trees. Apriona swainsoni (Hope) (Coleoptera: Cerambycidae) is a woodborer of Sophora japonica L. (Angiospermae: Fabaceae). Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae) is an important natural enemy of both Cerambycid species in China. Kairomones for two populations of D. helophoroides that parasitize A. glabripennis and A. swainsoni respectively were studied. Based on identification and quantification of volatiles from larval frass produced by A. glabripennis and A. swainsoni, monoterpenes were selected to test their kairomonal activity to both populations of D. helophoroides adults using a Y-tube olfactometer. The results indicated that (S)-(-)-limonene served as a kairomone for the population of D. helophoroides parasitized A. glabripennis. α-pinene, (IR)-(+)-αpinene and (+)-β-pinene were attractive to the population of D. helophoroides parasitized A. swainsoni. The results provide information about the co-evolution of D. helophoroides, its host, and host-food trees.
authors.affiliation: College of Life Sciences, Hebei University, Hebei Baoding 071002, China. weijr@hbu.edu.cn
authors.forename: Jian-Rong
authors.initials: JR
authors.lastname: Wei
authors.forename: Xi-Ping
authors.initials: XP
authors.lastname: Lu
authors.forename: Li
authors.initials: L
authors.lastname: Jiang
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001517:Coleoptera / Q000469:parasitology / Q000502:physiology*; D003463:Cues; D005243:Feces / Q000737:chemistry*; D060434:Herbivory; D006790:Host-Parasite Interactions; D007814:Larva / Q000469:parasitology / Q000502:physiology; D039821:Monoterpenes / Q000032:analysis*; D012903:Smell; D029909:Sophora; D013237:Stereoisomerism
chemical_list: D039821:Monoterpenes
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