Methyl green staining patterns. Notomastus bermejoi sp. nov. A holotype (CNAP-POH-17-002) B–E paratypes (CNAP-POP-005 to 008) F additional material (CNAP-PO-036/GCA-CS-2006) G–I Notomastus americanus Day, 1973 (= N. hemipodus Hartman, 1945), holotype (USNM43118) A thoracic region, lateral view B thoracic and anterior abdominal regions, ventral view C–F thoracic and anterior abdominal regions, lateral view G thoracic and anterior abdominal regions, lateral view H anterior region, lateral view I abdominal region, ventral view. Scale bars: 0.5 mm (A–F); 1 mm (G–I).