Neoneuromus ignobilis Navás

Cao, Chengquan, Liu, Fangqing, Tong, Chao, Fang, Yaqian, Li, In & Liu, Ingyue, 2018, Description of the final-instar larva and pupa of Neoneuromus ignobilis Navás, 1932 (Megaloptera: Corydalidae), Zootaxa 4378 (4), pp. 581-588 : 583-585

Final-instar larva of Neoneuromus ignobilis Navás

( Fig. 2 )

Description. Body length 72.45± 6.05 mm (n = 8).

Head subquadrate in dorsal view, with distinct epicranial suture, black with intricate yellow markings. Clypeus nearly ¼Χ head width, faint yellow with a pair of blackish dot markings posterolaterally. Antennae with five segments; distal two segments slightly shorter than 3rd segment; distal three segments much thinner, brown, second segment black. Mouthparts generally blackish-brown; labrum with anterior margin yellowish brown; mandibles slightly shorter than head, acutely tapering at tip, with three shorter inner teeth. Stemmata present. Frons medially with three subtriangular yellow markings, and laterally with two pairs of smaller yellow markings. Vertex with numerous yellow dots that are arranged into several reticulate patches at middle and on lateral portions. Ventral portion of head slightly paler, posterolaterally with two broad, reticulate, yellow patches.

Pronotum blackish brown, glossy, with some short setae and a few longer conical setae laterally; complex reticulate yellow patches present, laterally ones generally arranged into a pair of oblique bands, and medial ones present as a pair of narrow vittae along posteromedian line; prosternum yellowish brown, but blackish laterally, laterally with several yellow markings. Meso- and metathorx dorsally blackish brown, each notum with a pair of comma-shaped yellow markings and a few yellow markings around them; ventrally yellow, with black setae. Legs dark brown except for coxae, trochanters, ventral part of femora slightly paler; meso- and metafemora with a few yellow stripes.

Abdomen blackish brown dorsally, with a few yellow, narrow, transverse or longitudinal lines; venter yellow, with numerous blackish brown setae; within setose region of sterna 1–7 a glabrous sinuate transverse line present at middle, and two pairs of glabrous longitudinal lines present laterally. Lateral filaments yellow with blackish long setae. Segments 9 and 10 ventrally reddish brown. Claws of prolegs reddish brown, but black at tip. Ventral tufts slightly pinkish.

Figures

FIGURE2. The final-instar larva of Neoneuromus ignobilis Navás.A. habitus, dorsal view; B. habitus, ventral view.Scale bar = 10 mm.