Key to New Caledonian species of Montagneria

1. Body length in males> 5.5 mm, in females> 6.5 mm; scape in male> 4x interocular distance........................ 2

–. Body length in males about <5.5 mm, in female <6.5 mm; scape in male <3.5x interocular distance................... 3

2. The setae on the scape are approximately the same length as the width of the antennomere; the setae on the femora are approximately as long as the width of the femur, and on the tibiae, they are approximately as long as the width of the tibia............................................................................ Montagneria cuneatus (Distant)

–. The setae on the scape are approximately more than twice the length of the width of the antennomere; the setae on the femora are approximately more than twice as long as the width of the femur, and on the tibiae, they are approximately more than twice as long as the width of the tibia................................................. Montagneria barbarae sp. nov.

3. Scape with two brown rings; pedicel <1.8x scape in length............................ Montagneria nataliae sp. nov.

–. Scape differently colored; the pedicel> 1.8x scape in length................................................... 4

4. Scutellum with greatly elongate setae, dorsum mostly dark brown, maculated. Montagneria yahouensis (Hosseini & Cassis)

–. Scutellum with short setae, dorsum mostly pale, with red spotting............... Montagneria nigroscutellatum (Distant)