Three new species of Hoplolaiminae are described and illustrated. Hoplolaimus maggentii n. sp. is characterized by the presence of longitudinal striations in the basal annule, and the labial region with 3 to 5 annules and incomplete annulation. The lateral field is without longitudinal lines and areolation along body. Males were not observed. H. igualaensis is characterized by the lateral field with four longitudinal lines, areolation absent, both scutella between vulva and anus, and stylet knobs with small denticles. Aorolaimus mexicaniensis n. sp. is characterized by the slightly offset labial annule with irregular incisures. Males are abundant, and gubernaculum without titillae.
