Neopanorpa longistipitata, Wang & Hua, 2018

Wang, Meng & Hua, Bao-Zhen, 2018, High species diversity of the genus Neopanorpa (Mecoptera: Panorpidae) in Yunnan Province, China, Zootaxa 4483 (1): -

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Neopanorpa longistipitata

sp. n.

Neopanorpa longistipitata   sp. n.

( Figs. 14–15 View FIGURE 14 View FIGURE 15 )

LSID: urn: lsid: act: A242377B-20D6-4BFB-AF0E-FC54E79757F2

Material examined. Holotype ♂, CHINA: Yunnan: Dali: Diancang Mountain (elev. 2200–2400 m),, leg. Chao Gao & Mei Liu, ME000138 View Materials ( NWAFU)   . Paratypes 4♀, same data as holotype, ME000139 View Materials   –ME000142 (NWAFU); 1♂, CHINA: Yunnan: Dali City: Diancang Mountain (elev. 2500 m), 01.viii.2015, leg. Ji-Shen Wang & Shuang Xue, ME000143 View Materials ( NWAFU)   ; 1♂, CHINA: Yunnan: Baoshan: Daoren Mountain ,, leg. Jiang-Li Tan, ME000144 View Materials ( NWAFU)   .

Diagnosis. Neopanorpa longistipitata   sp. n. can be readily differentiated from its congeners by the following characters: (1) Generally yellowish brown with unmarked wings ( Fig. 14a & b View FIGURE 14 ); (2) male T3 bearing extremely long notal organ extending to caudal end of A6 ( Fig. 14e & f View FIGURE 14 ); (3) median tooth of gonostylus absent ( Fig. 14j & k View FIGURE 14 ); (4) Male A6–A8 stout, with A7 strongly constricted at base ( Fig. 14f View FIGURE 14 ); (5) in female genital plate, axis broad, extending anteriorly beyond main plate only a short distance; posterior arms slender, elongated for nearly threefourths the total length ( Fig. 15e –g View FIGURE 15 ).

Etymology. The specific name is derived from Latin longus (long) and stipitata (stake), referring to the remarkably elongated notal organ.

Description. Holotype ( Fig. 14a View FIGURE 14 ).

Head ( Fig. 14c View FIGURE 14 ). Vertex yellow, ocellar triangle covered by dark brown marking extending caudally to occiput. Rostrum mottled yellowish brown.

Thorax ( Fig. 14d View FIGURE 14 ). Pronotum dark brown. Mesonotum yellow with dark brown sagittal stripe extending caudally to scutellum; metanotum with similar pattern.

Wings ( Fig. 14a View FIGURE 14 ). Tinged with light brown; R2 bifurcated. Wings only with apical part darkened and brown stripe on pterostigma.

Abdomen. T1–T5 yellowish brown ( Fig. 14a & e View FIGURE 14 ). Male A6 concaved dorso-caudally, A7–A8 dull yellow, stout, A7 greatly constricted at base ( Fig. 14f View FIGURE 14 ). Notal organ slender with dense microsetae along margin, extremely elongated to caudal end of A6; a slender area with dense microsetae extending from T4 to T5 ( Fig. 14e View FIGURE 14 ).

Male genitalia. Yellowish brown. Hypandrium with a basal stalk and a pair of distal hypovalves, basal stalk almost equal to length of hypovalves; hypovalves slender, extending beyond basal lobe of gonostylus, convergent apically, without hypandrial processes ( Fig. 14g & i View FIGURE 14 ); in lateral aspect, hypovalves expanded apically into large subtriangular lobes ( Fig. 14i View FIGURE 14 ). Epandrium truncate apically with subparallel lateral margins ( Fig. 14h View FIGURE 14 ), bearing a pair of slender, subrectangular epandrial lobes at apex ( Fig. 14i View FIGURE 14 ). Gonostylus light brown; median tooth absent; basal lobe blunt, setiferous, strongly concave, with a row of dorsal setae ( Fig. 14j & k View FIGURE 14 ). Ventral valves of aedeagus large, broad-lobed, tapering toward pointed apices; dorsal valves small and stout, concealed in ventral aspect ( Fig. 15a –c View FIGURE 15 ). Paramere with long basal stalk, fused with counterpart as a subrectangular basal frame, bifurcated distally into ventral branch and dorsal branch; ventral branch closely appressed to ventral valve ( Fig. 15a View FIGURE 15 ); dorsal branch slender, arcuate, elongated dorso-laterad ( Fig. 15b View FIGURE 15 ); lateral process broad, curved ventro-mesad, tapering toward apex, with apex projecting apically; dorsal process indistinct, only slightly produced ( Fig. 15a –c View FIGURE 15 ).

Female (Paratype) ( Fig. 14b View FIGURE 14 ). Similar body coloration as in the male. T2–T5 dull yellowish brown with dark brown lateral margins, A7–A8 yellow with brown posterior margin ( Fig. 14b View FIGURE 14 ). Subgenital plate elliptical, yellowish brown, with deep V-shaped emargination ( Fig. 15d View FIGURE 15 ). Genital plate with broad axis extending anteriorly for short distance beyond main plate; posterior arms slender, elongated for three-fourths the total length ( Fig. 15e –g View FIGURE 15 ).

Measurements. Male (n = 2), forewing length 12.90 ± 0.19 mm, width 3.23 ± 0.06 mm; hindwing length 11.81 ± 0.29 mm, width 3.08 ± 0.12 mm. Female (n = 4), forewing length 14.08 ± 0.96 mm, width 3.39 ± 0.10 mm; hindwing length 12.83 ± 0.86 mm, width 3.26 ± 0.10 mm.

Variability. Some females have obscure wing markings; markings of forewings, if present, have apical band absent posteriorly; pterostigmal band is only represented by oblique brown stripe.

Remarks. The extremely elongated notal organ and yellowish brown body coloration allow N. longistipitata   sp. n. to be readily differentiated from other species of Neopanorpa   .