Primary type information:
Type-material: syntype workers (number not stated). Type-locality: Brazil: Rio de Janeiro (Graves) (by restriction of Borgmeier, 1955: 196). Type-depository: unknown.
Type notes:
Haliday also recorded syntypes from Brazil: Santa Catarina (Graves). Type-material not in BMNH; Borgmeier, 1955: 196, reports that some Haliday material may be in Ireland: Dublin (datum from Horn & Kahle, 1935: 103).
[Misspelled as quadrigme by Palacio, 1999: 151 (in key).]
Emery, C. 1900e. Nuovi studi sul genere Eciton. Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna (5)8:173-188 [pagination of separate: 511-526].