LAB RESEARCH (past&present)
John Byers and Collaborators
BARK BEETLES
Physiology and Behavior:
1. Flight take-off
2. Circadian rhythms
3. Stridulation
4. Orientation
5. Attraction to E,F,M
etc.
Pheromone Biosynthesis:
1. Effect of mating
2. Myrcene to ipsdienol in D. brevicomis
3. Pheromone in Ips paraconfusus
4. Pheromone in Dendroctonus brevicomis
etc.
Pheromone Isolation:
1. Pityogenes chalcographus
2. Ips duplicatus
3. Tomicus piniperda
Host/Mate Finding:
not done
Competition:
not done
Plant Galls:
1. normal pinyon needle
2. magnified normal needle
3. collected galls
4. pinyon pine galls
5. theories of galled tissue
Nematodes:
1. aggregating on resistor
2. aggregating over wax moth
3. swimming in India ink
Images © 1997 by John A. Byers, Chemical Ecology.
Research supported by grants from Sweden's SJFR (Skogs- och Jordbrukets Forskningsråd = Forest and Agricultural Research Council).