1. Johnston, G., Quart. J. Microsc. Sci., 1855, vol. 3, pp. 97–102.
2. Roth, L.M., Amer. Midl. Natur., 1948, vol. 40, pp. 265–352.
3. Tischner, H. and Schief, A., Zool. Anz., 1955, vol. 18, pp. 453–460.
4. Belton, P., in Analysis of Insect Behaviour, Berlin: Springer, 1974, pp. 139–148.
5. Tischner, H., Acustica Suisse, 1953, vol. 3, pp. 335–343.