Final larva instar of A. wangpiensis sp. nov. A whole body of larva in dorsal view B caudal filaments C head of larva in frontal view D mandible of larva E salivary orifice (s) and orifice of silk press (slo) in ventral view. [a: antenna, ap: anterior pleurostomal process, at: anterior tentorial pit, b; base of mandible, bl: blade of mandible, c: clypeus, e: epistoma, f: frons, hs: hypostoma, hsp: spur of hypostoma, Ib: labium, lbs: labial sclerite, 1m: labrum, lms: labral sclerite, lp: labial palp, m: mandible, mp: maxillary palp, mx: maxilla, plb: postlabium, pp: posterior pleurostomal process, prlb: prelabium, prs: prelabial sclerite, ps: pleurostoma, s: salivary orifice, slo: orifice of silk press, sp: silk press, ss: stipital sclerite].