Research Papers on Chemical Ecology of InsectsJohn A. Byers and Coauthors
Host Plant Selection:
1. Birch volatiles inhibit spruce bark beetles
2. Attraction to ethanol and monoterpenes
3. Host- and mate-recognition
4. Olfactory recognition of host-tree susceptibility
5. Host unsuitability recognized in flight
6. Attraction of elm bark beetle to elm
Pheromone Biosynthesis:
1. Pheromone precursor in 5 Pine species
2. Myrcene from host tree as pheromone precursor
3. Symbiotic microorganisms and pheromone biosynthesis?
4. Sex, maturity, and host-tree effects on biosynthesis
5. Ips paraconfusus pheromone biosynthesis
6. Male-specific biosynthesis of inhibitor
Alarm and Defensive Chemicals:
1. Cost of aphid alarm pheromone production
2. Defensive chemicals of plant bug Lygus hesperus
Competition:
1. Mutual avoidance of competition
2. Review: Avoiding competition in bark beetles
3. Female bark beetle avoids trans-verbenol and competition
4. Regulation of competition in Ips paraconfusus by pheromone
5. Interspecific inhibition and competition
Mating and Colonization Ecology:
1. Mate-finding behavior of pine shoot beetles
2. Pheromones regulating competition and host colonization
3. Effect of mating on pheromone
Isolation of Semiochemicals:
1. Isolation of P. chalcographus aggregation pheromone
2. Isolation of Ips duplicatus aggregation pheromone
3. Subtractive - Combination method
Dispersal and Host-Finding Models:
1. Searching for susceptible host trees
2. Dispersal out through rings of pheromone traps
3. Insect population control by pheromone traps
4. Effective Attraction Radius: EAR
Orientation Behavior:
1. Odor-modulated anemotaxis and clumped arrival
2. Orientation of bark beetles in a grid of pheromone traps
3. Rotating windvane traps and upwind orientation
4. Interacting plumes
5. Interspecific effects on attraction
Host Tree Chemistry and Semiochemicals:
1. Host tree chemistry affecting bark beetles
2. Chemical Ecology of Bark Beetles
3. Plant galls and growth hormones induced by insects
Chemical Structure - Behavioral Activity:
1. Chalcogran and Methyl 2,4-Decadienoate
Release of Semiochemicals:
1. Diffusion - Dilution method
2. Piezoelectric Sprayer
Locust Semiochemicals:
1. Pheromones and chemical ecology of locusts
Trends in Chemical Ecology :
1. Computer analysis of trends in Chemical Ecology
Images © 1996 by John A. Byers.
Research supported by grants from Sweden's SJFR (Skogs- och Jordbrukets Forskningsråd = Forest and Agricultural Research Council).