Research Interests: Physiology, Zoology, Perception, Insect Physiology, Pheromones, and 18 moreAnimals, Smell, Flowers, Gas Chromatography, Chemotaxis, High Temperature, Sesquiterpenes, Wind Tunnel, Invasive Plant, Odors, Lantana, Sleeping sickness, Plant Volatiles, Plant Oils, Volatilization, Secondary production, Plant Leaves, and Tsetse Flies
Research Interests: Microbiology, Zoology, Life history, Pheromones, Ticks, and 17 moreInsecticides, In Vitro, Hair, Parasite, Female, Animals, Blood, Male, Life Cycle, Eating, Cattle, Acaricide, Larva, Feces, Veterinary Sciences, Ivermectin, and Microbial Growth
Volatiles from various life-stages of the bont ticks Amblyomma variegatum and A. hebraeum were collected by using solid-phase microfibers and charcoal traps. An octenol isomer was found to be a major constituent of most of the tick... more
Volatiles from various life-stages of the bont ticks Amblyomma variegatum and A. hebraeum were collected by using solid-phase microfibers and charcoal traps. An octenol isomer was found to be a major constituent of most of the tick material sampled and was identified as 1-octen-3-ol by gas chromatography-mass spectrometry and by using antenna of the tsetse fly Glossina brevipalpis in gas chromatography-linked antennogram detection. Release of this compound increased during molt to adulthood and following mechanical disturbance of adult ticks. (R)-(-)-1-Octen-3-ol and racemate 1-octen-3-ol both induce an increase in upwind walk to the odor source from A. variegatum in an airstream on a servosphere. Volatiles from tick exuviae plus feces and from dead ticks also attracted A. variegatum, suggesting that 1-octen-3-ol may contribute to the aggregation response of Amblyomma spp. on such substrates. 2,6-Dichloroanisol and 2,5-dimethylpyrazine also were detected in volatiles from the ticks ...