Columbia subject headings:
Biochemistry--Technique.
Entomology--Technique.
Insects--Physiology.
Pheromones.
Harvard subject headings:
Biochemistry--Technique
Entomology--Technique.
Insects--Physiology
Pheromones.
Princeton subject headings:
Biochemistry--Technique.
Entomology--Technique.
Insects--Physiology.
Pheromones.