Epiphragma (Epiphragma) insigne (van der Wulp, 1878)

Zhang, Bing, Mao, Meng & Yang, Ding, 2019, New species of the subgenus Epiphragma Osten Sacken from China (Diptera, Limoniidae), ZooKeys 876, pp. 39-54 : 39

publication ID	https://dx.doi.org/10.3897/zookeys.876.33163
publication LSID	lsid:zoobank.org:pub:BC470856-DDF9-49BD-B6E8-D5E176CE81B1
persistent identifier	https://treatment.plazi.org/id/7B45AB4D-DF13-54A7-B902-4F942A7F071F
treatment provided by	ZooKeys by Pensoft
scientific name	Epiphragma (Epiphragma) insigne (van der Wulp, 1878)
status

Treatment

Epiphragma (Epiphragma) insigne (van der Wulp, 1878) View in CoL Figs 7 View Figure 7 , 10 View Figures 8–11 , 14 View Figures 12–15 , 28-33 View Figures 28–33

Epiphragma (Epiphragma) insigne van der Wulp, 1878. Tijdschr. Ent. 21: 196. Type locality: Indonesia (Sumatra).

Diagnosis.

Generally brown with gray pruinosity. Vertex with one median brown line. Femora yellow without ring. Wing brownish hyaline, with conspicuous brown pattern, chiefly spotted, without narrow dark brown margin; one long irregular hyaline band cross whole wing from tips of veins R3, R4, ending at cell A1; hyaline areas large. Origin of Rs obtuse and curved without spur; R2+3+4 three times longer than R2+3; m-cu at basal approximately 3/4 of cell dm. Interbase with base expanded, shorter than gonocoxite, but longer than aedeagus, apical rod slender, C-shaped, bent to sternite, tip curved into slender spine. Aedeagus very short and small.

Description.

Male. (n = 1): Body length 9.0 mm, wing length 9.8 mm, antenna length 1.7 mm. Head ( Figs 7 View Figure 7 , 10 View Figures 8–11 ). Brownish yellow. Vertex with one black median line. One median tubercle between eyes. Setae on head black. Scape and pedicel black brown, flagellum 13-segmented with two basal segments fused, fusion-segment yellow, succeeding segments black brown, flagellomeres cylindrical, apical segments elongate, with longer verticils. Proboscis black brown with black setae; palpus blackish brown with black setae.

Thorax ( Figs 7 View Figure 7 , 10 View Figures 8–11 ). Generally brown with pale gray pruinosity. Pronotum brownish yellow with one dark blackish brown stripe. Prescutum brown with two brownish yellow stripes, one dark brown line at middle. Scutum yellow. Scutellum and mediotergite brownish yellow. Pleura brown, variegated by black brown areas. Setae on thorax brown. Coxae brownish yellow with one dark brown middle ring; trochanters yellow, brown at tip; femora yellow without ring; tibiae yellow with one spur; tarsi yellow. Setae on wings brownish yellow. Wing ( Figs 7 View Figure 7 , 14 View Figures 12–15 ). Brownish hyaline, with conspicuous brown pattern, chiefly spotted, without narrow dark brown margin; base of wing brown; each tip of vein with brown spot; one long irregular hyaline band across whole wing from tips of veins R3, R4, ending at cell A1; hyaline areas large. Origin of Rs obtuse and curved without spur; R2+3+4 three times longer than R2+3; m-cu at basal approximately 3/4 of cell dm. Setae on wings brownish yellow. Halter 1.2 mm long, brownish yellow except base of stem yellow and apex of knob pale yellow. Setae on legs brownish yellow.

Abdomen ( Fig. 7 View Figure 7 ). Tergites brownish yellow except tergite 9 yellow. Sternites brown except sternite 9 yellow. Setae on abdomen brown. Hypopygium ( Figs 28-33 View Figures 28–33 ). Posterior margin of tergite 9 ( Figs 28 View Figures 28–33 , 31 View Figures 28–33 , 32 View Figures 28–33 ) with relatively large subtrigonal lobe on each side of median V-shaped notch. Base of outer gonostylus ( Figs 29 View Figures 28–33 , 31-33 View Figures 28–33 ) with setae, tip curved into spine. Inner gonostylus ( Figs 30-33 View Figures 28–33 ) relatively longer with tip obtuse. Interbase ( Figs 32 View Figures 28–33 , 33 View Figures 28–33 ) with base expanded, shorter than gonocoxite, but longer than aedeagus, apical rod slender, C-shaped, bent to sternite, tip curved into slender spine. Aedeagus ( Figs 32 View Figures 28–33 , 33 View Figures 28–33 ) very short and small.