Genus Lomanoxia Martínez, 1951DiagnosisLength 4.8–5.2 mm. Body broad, oval, dorsally pilose, covered with testaceous setae, reddish brown. Head variably sculptured; clypeus sinuate. Pronotum with anterior angles forwardly explanate; lateral margins fringed with setae; posterior angles densely setaceous. Elytra wide, setaceous, striae impressed. Mesocoxal cavity partially enclosed by meso and meta ventrites, elongate, almost reaching epipleuron; mesepimeron and metepisternum not visible (see Fig. 32B).RemarksLomanoxia has seven recognized species and has been reported from Argentina, Brazil, Costa Rica, Paraguay and Surinam (Skelley & Howden 2003; Stebnicka 2009). A key for all species can be found in Skelley & Howden (2003).Key to species of Lomanoxia from Brazil (adapted from Skelley & Howden 2003) (Portuguese version in Supp. file 1)1. Only fifth abdominal ventrite strigate anteriorly ............................................................................. ................................................................... L. canthonopsis Skelley & Howden, 2003 (Fig. 18E)– Others abdominal ventrite, besides the fifth, strigate anteriorly ....................................................... 22. Posterior margin of pronotum with median lobe (Fig. 18A–C) ....................................................... 3– Posterior margin of pronotum without median lobe .............. L. ituensis Stebnicka, 1999 (Fig. 18D)3. In dorsal view, margin of pronotum sinuate before posterior margin ............................................. ............................................................................................. L. melloi Stebnicka, 1999 (Fig. 18C)– In dorsal view, margin of pronotum not sinuate before posterior margin (Fig. 18A) .................... ...................................................................................... L. costulata (Harold, 1867) (Fig. 18A–B)