Dicerapanorpa dajinhuang, Xie & Wang, 2025

Xie, Jiao & Wang, Ji-Shen, 2025, Three new species of Mecoptera (Insecta, Antliophora) from Yunnan, China, European Journal of Taxonomy 997, pp. 275-288 : 280-283

Dicerapanorpa dajinhuang sp. nov.

urn:lsid:zoobank.org:act:D237C065-F26C-4DC7-B2A1-A0DD504244FA

Figs 3–4

Diagnosis

The new species can be differentiated from its congeners by the following combination of characters: in males, 1) paramere with ventral branch greatly elongated and bearing small barbs on subbasal portion of inner margin ( Fig. 4H–I ); and in females, 2) medigynium with broad basal plate and slender posterior arms ( Fig. 4L ).

Etymology

The specific epithet dajinhuang is a Chinese compound word depicting things ‘big and yellow’. Treated as a noun in apposition.

Type material

Holotype CHINA – Yunnan Province • ♂; Dali Bai Autonomous Prefecture , Yunlong County; 25°51′08″ N, 99°15′09″ E; 2560 m a.s.l.; 1 Jul. 2024; L.-J. Jia, J.-L. Li and J.-S. Wang leg.; BMDU, CNYL24Di001 .

Paratypes CHINA – Yunnan Province • 1 ♂; same data as for holotype; BMDU, CNYL24Di002 • 11 ♀♀; same data as for holotype; BMDU, CNYL24Di003 to CNYL24Di013 .

Description

MEASUREMENTS (mm). Male (holotype and paratype, n = 2). AtL 13.4–13.6, AbL 12.9–13.1, BL 17.9– 18.0, FL 15.8–16.1, FW 3.7–3.8, HL 14.0–14.2, HW 3.6–3.7. Female (paratypes, n = 11). AtL 13.0–14.0, AbL 7.5–8.0, BL 13.0–14.0, FL 15.0–17.5, FW 3.8–4.0, HL 13.5–14.0, HW 3.6–3.8.

Males

HEAD ( Fig. 4A ). Vertex unevenly yellow without black spots. Ocellar triangle enclosed by large black arrow-shaped pattern. Rostrum yellow with pair of black frontal stripes.

THORAX ( Fig. 4A ). Pronotum with five thick setae along each side of anterior margin. Meso- and metanotum black laterally, with broad yellow median stripe. Pleura and coxae yellow, rest parts of legs dark brown to black.

WINGS ( Fig. 4A ). Membrane hyaline, lacking distinct markings except speckled apical band. Pterostigma light yellowish brown.

ABDOMEN ( Fig. 4A, C ). T2–T5 black laterally with broad, yellow, median stripe. A6 yellowish brown with pair of obtuse-rounded and divergent anal horns on dorsal apex. A7 and A8 greatly constricted at base, yellowish brown. A7 almost as long as A8. Epandrium broad, deeply emarginated terminally and forming pair of finger-like processes laterally. Hypandrium split into pair of long, stripe-like hypovalves with extremely short basal stalk. Hypovalve slightly broadening towards rounded apex, with row of long stout bristles along inner margin.

GENITALIA ( Fig. 4D–I ). Gonostyli shorter than gonocoxites, with well-developed basal lobe and elongated, acute middle tooth; basal lobe bifurcated into acute apexes. Paramere trifurcate: ventral branch long and straight with one-two small barbs on subbasal portion of inner margin; median branch longest and curved inward; dorsal branch greatly curved inward and slightly curved caudad distally. Ventral valves of aedeagus membranous and greatly protruded; dorsal valves bearing long setae basally with greatly elongated dorsal processes.

Females

Habitus ( Fig. 4B ) similar to males except for denser markings.

GENITALIA ( Fig. 4J–L ). Subgenital plate oval and bearing long stout setae apically. Medigynium ( Fig. 4L ) with broad basal plate; main plate broader than base of posterior arms; posterior arms slender and slightly shorter than main plate, rounded terminally.

Distribution

China: Yunnan (Yunlong).

Figures

Fig. 3. Dicerapanorpa dajinhuang sp. nov. Living female from Yunlong.

Fig. 4. Dicerapanorpa dajinhuang sp. nov. A, C, F, H. Holotype, ♂ (BMDU, CNYL24Di001). B, J–L. Paratype, ♀ (BMDU, CNYL24Di002). D–E, G, I. Paratype, ♂ (BMDU, CNYL24Di003). A–B. Habitus, dorsal view. C. Male T6–T7, dorsal view. D. Genital bulb, dorsal view. E–G. Genital bulb, ventral view. H–I. Right paramere, ventral view. J. Female terminalia, lateral view. K. Female terminalia, ventral view. L. Medigynium, ventral view. Abbreviations: see Material and methods. Red arrowheads indicate small barbs on ventral branch of parameres.