Intercristacoxa Back & Bang, 2026, gen. nov.

GenusIntercristacoxagen. nov. Diagnosis. Orthopsyllidae. Female. Body nearly cylindrical. Rostrum well developed and defined at base. Genital double-somite separated dorsally and laterally, but fused ventrally. A 1 four-segmented, with one developed thorn-like process on seg – 1; apical ae absent. A 2 consisting of coxa, allobasis without abexopodal seta, one-segmented enp, and one-segmented exp. Mandibular palp with one-segment enp. Enp of Mxl incorporated into basis with three setae; exp one-segmented with two setae. Syncoxa of Mxa with two endites, proximal endite with one seta; basis drawn out into claw; enp incorporated into the basis with three setae. Mxp subchelate, three-segmented; basis slender, elongated; enp represented by an acutely recurved claw. The P 1 coxa with one or two serrate crests; exp one – segmented, with two long setae, without spine; enp two-segmented; enp – 1 elongated and without inner seta; enp – 2 rectangular, with one curved claw and one cylindrical seta. P 3 – P 4 exp each with two spines. P 5 benp well developed; exp defined at the base. Caudal rami seven setae, with seta V being bi-articulated. Sexual dimorphism in body size, A 1, P 3 enp, P 4 enp, P 5, P 6, and genital segmentation. Type species. Intercristacoxa orientalis gen. et sp. nov. by designation. Etymology. The generic name is a combination of the Latin inter -, meaning between, and crista coxa, which refers to the coxal crest of the first leg, and is treated as feminine.