Larvae of recognized instars and adult of Apachyus chartaceus (Apachyidae). A–C Same individual. A First instar larva (A’ enlarged image). B Second instar larva (B’ enlarged image). C Third instar larva. D–F Same individual (male): D Penultimate instar larva; E Final instar larva; F Adult. – Abbreviations: AP – anal process; Fw – forewing or tegmen; Hw – hindwing or ala; HwB – hindwing bud. – Scale bars: A–F – 5 mm; A’, B’ – 1 mm.