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 : 585-587

Female pupa of Neoneuromus ignobilis Navás

( Figs. 3–4 )

Description. Body length 48.25± 5.65 mm (n = 6). Exarate, curved inward in natural condition ( Fig. 3A ).

Head subquadrate with some long setae, postocular spines slightly prominent; clypeus with anterior margin truncate with a triangular labrum. Antennae filiform, long, curving to ventral part of head. Compound eyes ovoid. Mandibles slightly shorter than head, with similar teeth to that in final-instar larva. Pronotum slightly longer than width. Meso- and metathorax robust. Wing pads with feebly developed veins. Genitalia with weakly developed gonocoxites 9 and ectoprocts; gonocoxites 9 paired, small and subtriangular; ectoprocts much larger than gonocoxites 9, with posterodorsal portion distinctly produced.

Coloration and markings. Body coloration and some markings varying very seriously depending on the developmental stages. At early stage ( Fig. 3B, C ), body golden yellow generally; compound eyes grayish black; head yellow and immaculate; antennae yellow and slightly brown; pronotum almost immaculate with some glabrous areas that are generally similar in shape to pronotal marking pattern in final-instar larva; wing pads yellow to brown; legs pale yellow; abdomen largely brown dorsally but yellow ventrally. At pre-emergence stage ( Fig. 4 ), body coloration in general yellowish brown, pronotum laterally with a pair of blackish vittae; wing pads blackish; legs with apex of femora, base and apex of tibia, and tarsomeres 2–4 blackish.

Materials examined. CHINA: Guizhou Province: Kaili City, 26°35′N, 107°58′E, 10.II.2017, Chengquan Cao & Yu Deng, 8 final-instar larvae and 6 pupae reared from larvae collected in the field.

Figures

FIGURE 3. Female pupa of Neoneuromus ignobilis Navás. A. habitus, lateral view in natural condition; B. habitus, dorsal view, with abdomen stretched; C. habitus, ventral view, with abdomen stretched; D. apex of abdomen, dorsal view; E. apex of abdomen, ventral view; F.apex of abdomen, lateral view. Scale bar = 10 mm (A–C) and 4 mm (D–F).

FIGURE 4. Female pupa of Neoneuromus ignobilis Navás at the pre-emergence stage. A. habitus, dorsal view, with abdomen stretched; B. habitus, ventral view,with abdomen stretched.Scale bar = 10 mm.