We present taxonomic comments on the genus Lophostigma Mickel. and a key for the species from Mexico and Central America, including the new species, L. grisselli Cambra & Quintero from Mexico, the northernmost distribution record for this Neotropical genus. Lophostigma lebasi (Mickel), is synonymized with L. cincta (du Buysson). New distribution records are given for: L. cincta (du Buysson), Costa Rica and Ecuador; L. subgracilis (Cameron), Mexico, Guatemala and Costa Rica; L. acanthophora (Dalla Torre), Peru; L. caenodonta (Cameron), Brazil; and L. cayennensis (Andre), Venezuela and Brazil.
Cambra T., Roberto A. and Quintero A., Diomedes, "The Mexican and Central American Species of Lophostigma Mickel, Including Records, and Taxonomic Notes for the Genus (Hymenoptera: Mutillidae)" (1996). Bu. Paper 94.
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