Laelius nigripilosus Ashmead, 1893:50 (key), 52, ♂♀. Types, Jacksonville, Fla. (Coll. Ashmead), Lectotype ♂, examined (USNM, #14060), designated by Barbosa & Azevedo, 2014Barbosa, D.N. & C.O. Azevedo 2014. Revision of the Neotropical Laelius (Hymenoptera: Bethylidae) with notes on some Nearctic species. Zoologia 31 (3):285-311.:306, Paralectotype ♀, examined (USNM, #14060), designated by Barbosa & Azevedo, 2014Barbosa, D.N. & C.O. Azevedo 2014. Revision of the Neotropical Laelius (Hymenoptera: Bethylidae) with notes on some Nearctic species. Zoologia 31 (3):285-311.:306. - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Evans, 1964Evans, H.E. 1964. A synopsis of the american Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology 132 (1):1-222.:147 ( listed as synonym of Laelius pedatus (Say, 1836)); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1212 ( listed as synonym of Laelius pedatus (Say, 1836)); Waichert & Azevedo, 2009Waichert, C. & C.A. Azevedo 2009. Phylogenetic analysis of Rhabdepyris (Hymenoptera: Bethylidae) and redefinition of generic limits based on structural characters. Zootaxa 2284:1-29.:23 (comb. nov.); Barbosa & Azevedo, 2011Barbosa, D.N. & C.O. Azevedo 2011. Phylogeny and reclassifi cation of Laelius (Hymenoptera: Bethylidae) and description of four new species. Insect Syst. Evol. 42:237-275. (distribution); Barbosa & Azevedo, 2014Barbosa, D.N. & C.O. Azevedo 2014. Revision of the Neotropical Laelius (Hymenoptera: Bethylidae) with notes on some Nearctic species. Zoologia 31 (3):285-311.:306 ( listed as synonym of Laelius pedatus (Say, 1836)).