| Higher taxa: | Tineidae (family)/ Erechthiinae (subfamily)/ Hactacma (genus)/ |
| Status: | Synonym , the accepted name is Erechthias |
| Authorship: | Meyrick, 1915 |
| Citation: | Hactacma |
| Taxon remarks: | Type species: Erechthias chasmatias Meyrick, 1880. Proceedings of the Linnean Society of New South Wales 5: 263, 264. By original designation. |
| Publication: | Meyrick E. 1915c. Revision of the New Zealand Tineina. |
| Journal: | Transactions and Proceedings of the New Zealand Institute |
| Volume: | 47 |
| Issue: | |
| Pagination: | 233 |