Author: Sylvén, Edvard.
Title: Studies on fruit leaf Tortricids (Lepidoptera). With special reference to the periodicity of the adult moths.
Description: Stockholm, 1958. 161 pp. 68 figs. Soft cover. (Swedish State Plant Prot. Inst. Contr. 11:74).

Keywords: Entomology Butterflies Lepidoptera Entomologie Vlinders