Sclerodermus galapagensis Brues, 1919 Fig. 1B Diagnosis, female. Body 2.88 mm long. Castaneous, metasoma darker. Mandible with two apical teeth. Clypeus very short and truncate, apical margin strongly curved upward medially in frontal view. Antenna thick, pedicel long, first four antennomeres in ratio of about 18:7:2:2, flagellomeres wider than long, except last. Eye with sparse setae. Ocelli absent. Frons weakly coriaceous, punctures very sparse and inconspicuous. LH 1.21 WH, WF 0.55 WH, WF 1.82 HE. Vertex slightly outcurved. Sides of head slightly outcurved. VOL 2.09 HE. Mesoscutum 1.32 as wide as long. Metapectal-propodeal disc nearly quadrate, side subparallel, base only slightly constricted, without median and posterior carinae. Micropterous, wings much shorter than tegula. Profemur 2.0 as long as wide. Metasoma stout, 0.6 as long as body, apical margin of sternites IV–VI conspicuously bi-emarginated. Material examined. Holotype, ♀, ECUADOR, Galapagos, James Island, 2000 feet, 22.XII.1905, F. X. Williams col. (CASC, #462).

Published as part of Azevedo, Celso O. & Colombo, Wesley D., 2022, Synopsis of the Neotropical Sclerodermus Latreille (Hymenoptera, Bethylidae) with description of a new species attacking human beings, pp. 501-519 in Zootaxa 5124 (5) on page 506, DOI: 10.11646/zootaxa.5124.5.1, http://zenodo.org/record/6416940