Alloscopus tetracanthus Börner, 1906

Fig. 8

Diagnosis. Eyes 1+1, postantennal organ semi divided, dorsal head with A0, A2, A4, M1–3, and Pa5 mac. Formula of central mac from Th. II to Abd. IV: 10–12, 6| 3, 1, 1, 2. Tibiotarsi with two rows of smooth chaetae. Manubrium with 3+3 or 4+4 smooth chaetae, dens with 3–7 spines in a single row, mucronal spine absent (adapted from Cipola et al. 2016).

Remarks. This is the most widespread species of the genus, known from the Southern Asia to Eastern Australia (Bellinger et al. 1996 –2021). Further details on A. tetracanthus are presented in Mari-Mutt (1982) and Cipola et al. (2016).