L. lugens ^HNS n. sp.

Operaria: Long. 13 mm Pilosa, nigra, mandibularum apice, funiculis tarsisque castaneis; mandibulae nitidae, disperse punctatae, lineares, depressae, apice oblique truncatae; clypeus striolatus antice bidentatus et medio processu porrecto apice tridenticulato; funiculi articulus secundus tertio duplo longior; caput opacum, antice longitudinaliter striatum, post ice dense punctato-rugulosum; thorax inermis, opacus, supra medio paulo depressum, pronoto punctato-ruguloso, mesonoto et metanoto transverse rugoso-striatis; petioli nodus crassus dispersissime punctatus, antice valde convexus, postice planus, transverse striatus, supra postice processu conico obtuso oblique directo; abdomen nitidum, sublaeve, dispersissime punctatum; unguiculi pectinati.

Aus Columbien; im zoologischen Museum in Halle