SAW-TOOTHED GRAIN BEETLE Oryzaephilus surinamensis (L.)(COLEOPTERA: SILVANIDAE)Antennal and Behavioral Responses to Individual Components and Blends of Aggregation Pheromone
SAW-TOOTHED GRAIN BEETLE Oryzaephilus surinamensis (L.)(COLEOPTERA: SILVANIDAE)Antennal and Behavioral Responses to Individual Components and Blends of Aggregation Pheromone
- Journal of Chemical Ecology, 15(3), p.1015, 1989 .
The antennal and behavioral responses of the saw-toothed grain beetle, Oryzaephilus surinamensis, to the three components of its ale-produced aggregation pheromone were investigated. EAG recordings showed no differences between the responses of the two sexes to the synthetic pheromone components. In contrast, laboratory behavioral assays demonstrated marked differences between the sexes. More females than males were consistently attracted to mixtures of the synthetic components, and this bias appeared to be caused by one component in the blend. Altering the blend ratio resulted in changes in the ratio of the sexes attracted. Thus, if, as suggested by preliminary work, males vary the blend produced, this should alter the relative response of the sexes to the aggregation pheromone.
SAW-TOOTHED GRAIN BEETLE
ORYZAEPHILUS SURINAMENSIS
COLEOPTERA
SILVANIDAE
AGGREGATION PHEROMONE
ELECTROANTENNOGRAM
BEHAVIORAL
BIOASSAY
BLEND RATIO
The antennal and behavioral responses of the saw-toothed grain beetle, Oryzaephilus surinamensis, to the three components of its ale-produced aggregation pheromone were investigated. EAG recordings showed no differences between the responses of the two sexes to the synthetic pheromone components. In contrast, laboratory behavioral assays demonstrated marked differences between the sexes. More females than males were consistently attracted to mixtures of the synthetic components, and this bias appeared to be caused by one component in the blend. Altering the blend ratio resulted in changes in the ratio of the sexes attracted. Thus, if, as suggested by preliminary work, males vary the blend produced, this should alter the relative response of the sexes to the aggregation pheromone.
SAW-TOOTHED GRAIN BEETLE
ORYZAEPHILUS SURINAMENSIS
COLEOPTERA
SILVANIDAE
AGGREGATION PHEROMONE
ELECTROANTENNOGRAM
BEHAVIORAL
BIOASSAY
BLEND RATIO