1. Adkisson, P. L., 1964, Action of the photoperiod in controlling insect diapause, Am. Nat. 98: 357–374.
2. Ae., S. A., 1957, Effects of photoperiod on Colias eurytheme, Lepid. News 11: 207–214.
3. Albrecht, F., and Cassier, P., 1965, Influence de la photopériode et de la température sur les élévages de Locusta migratoria migratorioides, phase grégaire, Compt. rend. Acad. Sci. 260: 6449–6451.
4. Andersen, N., 1973, Seasonal polymorphism and developmental changes in organs of flight and reproduction in bivoltine pond-skaters (Hemiptera, Gerridae), Entomol. Scand. 4: 120.
5. Angersbach, D. and Kayser, H., 1971, Wavelength dependence of light-controlled pupal pigmentation, Naturwiss. 58: 571–572.