Dimple Mouse Spider Missulena gelasinos Marsh, Stevens & Framenau, 2023

(after Marsh et al. 2023): The combination of a red chelicerae and brown carapace of males of M. gelasinos are not shared by other described species of Missulena. Males can be further differentiated from other species of Missulena that have a brown carapace by the presence of an indentation on the retrolateral surface of the chelicerae, and by a lack of transverse striations on the dorsal and retrolateral surface of the chelicerae (except M. harewoodi, which also lacks striations), striations weak in M. leniae and M. pinguipes. They further differ from M. durokoppin, M. faulderi, M. harewoodi, M. melissae, and M. terra by having coarse granulations on the carapace, which is smooth in these other species. Of the species in which males have red chelicerae and a brown or black pars thoracica males of M. gelasinos differ by having 12 spines in the rastellum, in which there are less than nine in M. insignis, M. manningensis, M.iugum, and M. langlandsi, and 16–20 in M. reflexa. They differ from M. occatoria and M. reflexa by the lack of transverse striations on the chelicerae and from M. iugum by the lack of a ridge on the cheliceral groove; from M. occatoria and M. insignis by the lack of spines or a rasp on patella II and from M. davidi by the shorter and broader pedipalp tibia.

• native

• Western Australia