Important records of new species for the Belgian fauna are given. The new species for the Belgian fauna are: 1. Alucita desmodactyla Zeller, 1847 (Alucitidae), 1 specimen at Bomal (LX) on 16.vii.2022, détermination by gen. det. and confirmed by Imre Fazekas. 2. Hypatopa segnella (Zeller, 1873) (Blastobasidae), 1 specimen at Nismes (NA) on 09.vii.2022. 3. Coleophora curictae Baldizzone, 2016 (Coleophoridae), 4 specimens at Lamorteau (LX) on 29.vi.2019, détermination by DNAresearch. 4. Coleophora partitella Zeller, 1849 (Coleophoridae), 1 specimen at Torgny (LX) on 27.vi.2021 confirmation by gen. det. 5. Chrysocrambus linetella (Fabricius, 1781) (Crambidae), 1 specimen at Torgny (LX) on 27.vi.2021, confirmation by gen. det. 6. Dolicharthria punctalis (Denis & Schiffermüller, 1775) (Crambidae), 1 specimen at Torgny (LX) on 27.vi.2021, 1 specimen at Athus (LX) on 24.vii.2021 and 1 specimen at Torgny (LX) on 25.vi.2022. 7. Agonopterix astrantiae (Heinemann, 1870) (Depressariidae), 1 specimen at Lamorteau (LX) on 01.viii.2020, confirmation by gen. det. and 1 specimen at Virton (LX) on 06.viii.2020, détermination by gen. det. and confirmation by DNA-research. 8. Elachista pomerana Frey, 1870 (Elachistidae), 1 specimen at Kinrooi (LI) on 13.vi.2020, détermination by gen. det. and confirmation by DNA-research. 9. Elachista berndtiella Traugott-Olsen, 1985 (Elachistidae), 2 specimens at Furfooz (NA) on 04.ix.2022, détermination by gen. det. and confirmed by Lauri Kaila. 10. Elachista elsaella Traugott-Olsen, 1988 (Elachistidae), 1 specimen at Nismes (NA) on 21.v.1982, détermination by gen. det. and confirmed by Lauri Kaila. 11. Elachista occidentalis Frey, 1882 (Elachistidae), 1 specimen at Lamorteau (LX) on 06.vii.2019 and 1 specimen at Torgny (LX) on 27.vi.2021, détermination by gen. det. and confirmation by DNA-research. 12. Stigmella svenssoni (Johansson, 1971) (Nepticulidae), 1 specimen at De Panne (WV) on 21.viii.2021, détermination by gen. det. and confirmation by DNA-research. 13. Thaumetopoea pityocampa (Denis & Schiffermüller, 1775) (Notodontidae), 1 specimen at Arlon (LX) on 31.vii.2021. 14. Reisseronia tarnierella (Bruand, 1850) (Psychidae), 2 specimens at Stockay (LG) on 24.iv.2021, confirmation by gen. det. 15. Etiella zinckenella (Treitschke, 1832) (Pyralidae), 1 specimen at Koksijde (WV) on 22.viii.2021. 16. Tenaga rhenania (Petersen, 1962) (Tineidae), 7 specimens at Aywaille (LG) on 21.vi.2020, confirmation by genitalia morphological characters. [ABSTRACT FROM AUTHOR]