Figure 2. Austroneurorthus, larval head. A in The larval head of Nevrorthidae and the phylogeny of Neuroptera (Insecta)

Figure 2. Austroneurorthus, larval head. A, dorsal view; B, ventral view. Abbreviations: ant, antenna; atg, anterior tentorial groove; cs, coronal suture; cv, cervix; fs, frontal suture; gu, gula; lpr, lateral parietal ridge; md, mandible; mt, mentum; mx1, proximal maxillary element; mx2, intermediate maxillary element; mxst, maxillary stylet; ne, neck; paap, paramedian anterior articulatory process; pl, palpus labialis; pmt, prementum; Rg, Rollengelenk; ro, rostrum; scl x, maxillolabial sclerite; sen, sensorium of subapical antennomere; smt, submentum; ste, stemma. For tentatively homologized setae (F1, L1, O1C, P2, S1, 3) see nomenclature in Hasenfuss & Kristensen (2003). Scale bar = 250 Mm.