1. Octopamine
2. Evans, P. D. In Comparative Molecular Neurobiology; Heller, S. R., Ed.; Birkhäuser: Basel, 1993, p 287.
3. Evans, P. D. In Comprehensive Insect Physiology Biochemistry Pharmacology; Kerkut, G. A., Gilbert, G., Eds.; Pergamon: Oxford, 1985; Vol. 11, p 499.
4. Multiple receptor types for octopamine in the locust.