Elachista nielswolffi is a moth of the family Elachistidae. It is found in Fennoscandia and northern Russia. The wingspan is 7–9 millimetres (0.28–0.35 in).[2]
| Elachista nielswolffi | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Elachistidae |
| Genus: | Elachista |
| Species: | E. nielswolffi |
| Binomial name | |
| Elachista nielswolffi Svensson, 1976[1] | |
The larvae feed on Deschampsia flexuosa and possibly on Nardus stricta. They mine the leaves of their host plant.[3] They are pale dull dirty white.