Amaroxenus Larochelle & Lariviere 2022

Amaroxenus Larochelle & Larivière, 2022: 10. Type species. Amaroxenus kahurangiensis Larochelle & Larivière, 2022: 10 (by original designation). Diagnosis. Within Migadopini exhibiting an elongate parascutellar stria that extends beyond the elytral mid-length; mentum medially bidentate, the mentum tooth notched medially; submentum with six setae; pronotum cordate, with basal width subequal to apical width, the lateral margin sinuate anteriad distinct hind angle; pronotal anterior marginal bead usually incomplete medially — in A. embersoni sp. nov. polymorphically complete or incomplete medially — always present laterally; metathoracic wings vestigial; pro- and mesothoracic legs with tarsomeres 1–4 laterally expanded in both sexes; female gonocoxite unipartite, the narrower apical portion indistinctly defined relative to the equally sclerotized, broader basal portion, no microtrichia — or a single small seta — situated along the inner margin of the gonocoxite at the point of apical narrowing (Fig. 3 B, C). Diversity. Four species were described by Larochelle and Larivière (2022), to which we add two new species, with the six species determinable using the following key.