Subfamily Trombiculinae Ewing, 1929

Diagnosis

Scutum with 1 AM seta, without nasus, sensilla flagelliform or expanded, two anterior sternal setae, tracheae and stigmae absent, all legs 7-segmented (fsp = 7.7.7; 7.6.6 or 6.6. 6 in some rare cases), onychotriches absent, microgenuala II absent.