Annotated list of the lepidopterological taxa in the info-system of the Cesa - Part I. Cent. ent. Stud., Memoirs 7: 1-4792, 1 Tab. In this study, about 25-30% of the contents of the database files in the info-system of the Cesa are listed. Totally, 9181 genus group names, and 94618 species group names of the Lepidoptera are given with synonyms, and distributional information as codes. Original references are also added to 18909 taxa. Similarly, bionomic information are given for 5761 taxa. Totally, 9328 publications used in these database files are listed. Nomenclaturally, one new subgenus name, Hecqia in the genus Euphaedra Hbn (Argynnidae), one new genus name, Muhabbetkemalia (Psychidae), one new species name, Furcula schintlmeisteri (Notodontidae) are proposed. Taxonomically, one new subgenus, Jseppia is established in the family Pyralidae. P.S. Please read the female symbol as “+” in the Table 1 on page 2. On page 2, line 8 from the bottom: “New new attempt was made since…” read as “No new attempt was made since…”