Swezeyana reticulata and Swezeyana tentaculata 1st-4th instar immatures. A–F S. reticulata: A 1st instar, inset detail of marginal narrow, blunt sectasetae B 2nd instar with appearance of tubercles C detail of 2nd instar anterior marginal and sub-marginal head setae D detail of 2nd instar marginal tubercles on the thorax bearing simple setae towards apices E 3rd instar, inset detail of marginal narrow, blunt sectasetae F 4th instar, inset detail of dorsal and sub-marginal lanceolate setae with inflated and ridged bases G–J S. tentaculata: G 4th instar, with details of marginal pointed sectasetae, and dorsal and sub-marginal simple setae with narrowly inflated and ridged bases H 3rd instar, with detail of larger dorso-medial tubercles bearing spiral of slightly capitate rod setae; marginal pointed sectasetae, and dorsal and sub-marginal simple setae with narrowly inflated and ridged bases as for 4th instar I detail of 3rd instar pairs of slightly capitate rod setae near the apices of marginal tubercles on the abdomen J detail of 3rd instar marginal pointed sectasetae, and dorsal sub-marginal simple setae.