Ankyloleon caudatus Badano, Haug & Cerretti, 2021

Haug, Joachim T. & Haug, Carolin, 2023, New details of the enigmatic 100 million years old antlion-like larvae of Ankyloleon (Myrmeleontiformia, Neuroptera), European Journal of Taxonomy 908, pp. 135-154 : 144

Ankyloleon caudatus Badano, Haug & Cerretti in Badano et al., 2021

Figs 1 , 2B–C , 7A–C

Amended diagnosis

Lacewing of the group Ankyloleon . Posterior region of abdomen long, longer than anterior part of abdomen. Most posterior region paddle-shaped, in early stage ventrally with a paired pygopod. Later larval stages without subdivision into segments in the posterior abdomen and without pygopod.

Figures

Fig. 1. Late stage larva of Ankyloleon caudatus Badano, Haug & Cerretti, 2021, PED 2475. A. Ventral view. B. Lateral right view. C. Dorsal view. E. Colour-marked version of a combined image of A and C. E. Close-up on tip of stylets, showing serrations. F. Close-op of pronotum with prominent setae. G. Close-up on paddle-shaped trunk end. E is an inverted image under transmitted light; all other images under reflected light. Abbreviations: hc = head capsule; pa = posterior abdomen; pt = prothorax; sy = stylet.

Fig. 2. Larvae of Ankyloleon Badano, Haug & Cerretti, 2021, isolated heads with stylets. A. PED 1877a, species unclear. B–C. PED 2619, Ankyloleon caudatus Badano, Haug & Cerretti, 2021. B. Overview. C. Close-up on inner edges of stylets with serrations.

Fig. 7. All known specimens of Ankyloleon Badano, Haug & Cerretti, 2021 as simplified restorations, all to the same scale. A–C. Specimens of Ankyloleon caudatus Badano, Haug & Cerretti, 2021. D–I. Specimens of unclear species. J. Holotype (PED 2038) of A. caroluspetrus sp. nov. C–F and I based on Badano et al. (2021).