Primary type information:
Primary type material: lectotype worker (by designation of LaPolla & Kallal, 2019: 437). Primary type locality: lectotype Virgin Is: St Thomas I. (A. Forel) (invalid restriction of type locality by Kempf, 1972b: 168; no lectotype designated). Primary type depository: MHNG.
Secondary type information:
Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depository: MHNG.
Type notes:
1) LaPolla & Kallal, 2019: 437, cite a lectotype designation by Trager, 1984b, but this was never published. 2) Nylanderia steinheili is not included in Trager, 1984b's revision of U.S.A. species. 3) Other original syntype locality: Guatemala: (no further data) (O. Stoll).