Genus Axylus Stål, 1877
Type species: Axylus castaneus Stål, 1877
Brief diagnosis. Mesosternal lobes with medium long to long apical cone. Hind knee lobes bispinose. Male cercus conical or laterally compressed with a proximal and a distal internal process. Male titillators separate with lateral extensions branching from apical area; with a pair of lateral sclerites. Ovipositor elongate and little curved or falcate and highest just behind mid length (Ingrisch, 2015).
Remarks. The genus is currently known from east of the Wallace Line (sensu Huxley) which includes the Philippines. Seven species were described from the Philippines (Ingrisch, 2015): Axylus brachypterus Ingrisch, 2015; Axylus castaneus Stål, 1877; Axylus furcatus Ingrisch, 2015; A xylus montanus Ingrisch, 2015; Axylus negros Ingrisch, 2015; Axylus philippinus (Hebard, 1922); Axylus taylori (Hebard, 1922) . The taxonomy of the genus has been revised by Ingrisch (2015).