Nipponeurorthus

Liu, Xingyue, Aspöck, Horst & Aspöck, Ulrike, 2014, New species of the genus Nipponeurorthus Nakahara, 1958 (Neuroptera: Nevrorthidae) from China, Zootaxa 3838 (2), pp. 224-232 : 230

Key to species of Nipponeurorthus

1. Forewing with a brown stripe along distal margin............................................................ 2

- Forewing without any marking along distal margin........................................................... 5

2. Male gonocoxite 9 bifurcated ( Fig. 9 )....................................................... N. furcatus sp. nov.

- Male gonocoxite 9 not bifurcated......................................................................... 3

3. Male ectoproct with posterolateral corners strongly protruding into a pair of digitiform processes ( Fig. 4 ); distal parts of male gonocoxite+gonostylus+gonapophysis 10 blade-like and crossing each other at mid-length ( Fig. 4 )..................................................................................................... N. damingshanicus sp. nov.

- Male ectoproct with posterolateral corners feebly produced; distal parts of male gonocoxite+gonostylus+gonapophysis 10 not crossing each other.................................................................................... 4

4. Forewing with brownish markings distal to outer series of gradate crossveins ( Nakahara 1958: Plate 8-2); male gonocoxite+gonostylus+gonapophysis 10 proximally sinuate ( Nakahara 1958: Fig. 7 B).................... N. fasciatus Nakahara

- Forewing without brownish markings distal to outer series of gradate crossveins ( Yang & Gao 2001: Fig. 1 ); male gonocoxite+gonostylus+gonapophysis 10 straight ( Yang & Gao 2001: Fig. 5 )...................... N. tianmushanus Yang & Gao

5. Male gonocoxite 9 distally bifurcated or trifurcated........................................................... 6

- Male gonocoxite 9 distally simple........................................................................9

6. Forewing with dark markings............................................................................ 7

- Forewing without any dark marking....................................................................... 8

7. Forewing only with brown markings on most crossveins and branching points of most longitudinal veins ( Nakahara 1958: Plate 2-1); male gonocoxite+gonostylus+gonapophysis 10 with distal parts crossing each other ( Nakahara 1958: Fig. 6 B).................................................................................... .. N. punctatus (Nakahara)

- Forewing with blackish brown markings along most longitudinal veins on distal half and costal crossveins on proximal half ( Nakahara 1966: Plate 4-2); male gonocoxite+gonostylus+gonapophysis 10 presents as a pair of long spinous projections but not crossing each other ( Nakahara 1966: Fig. 22)........................................ N. multilineatus Nakahara

8. Male gonocoxite 9 distally bifurcated into a slender, acutely pointed gonostylus 9 and an obtuse ventral lobe ( Aspöck & Aspöck 2008b: Fig. 3 )............................................................. N. flinti Aspöck & Aspöck

- Male gonocoxite 9 distally trifurcated into a slender, acutely pointed gonostylus 9 and two obtuse lobes ( Nakahara 1958: Fig. 4 a).............................................................................. N. fuscinervis (Nakahara)

9. Male gonocoxite 9 with apex strongly incurved (see figure in Chen 1998: P. 104); Chinese species......... N. qinicus Yang

- Male gonocoxite 9 with apex not incurved; Japanese species.................................................. 10

10. Forewing with longitudinal veins almost yellow ( Nakahara 1958: Plate 9-2); male gonocoxite+gonostylus+gonapophysis 10 with each distal lobe inflated and bearing three large claw-like projections ( Nakahara 1958: Fig. 3 B)................................................................................................... .. N. pallidinervis Nakahara

- Forewing with longitudinal veins entirely brown ( Nakahara 1958: Plate 9-2); male gonocoxite+gonostylus+gonapophysis 10 with each distal lobe inflated laterally and bearing two small claw-like projections ( Nakahara 1958: Fig. 5 B)............................................................................................... N. tinctipennis Nakahara

Figures

FIGURES 9 – 11. Nipponeurorthus furcatus sp. nov.: 9, male genital segments, lateral view; 10, male genital segments, dorsal view; 11, male genital segments, ventral view. Abbreviations. e: ectoproct; gst 11: gonostyli 11; gx 9: gonocoxite 9; gx + gst + gp 10: complex of gonocoxite + gonostylus + gonapophysis 10; S: sternite; T: tergite. Scale bar = 0.5 mm.

FIGURES 3 – 8. Nipponeurorthus damingshanicus sp. nov.: 3, male genital segments, lateral view; 4, male genital segments, caudal view; 5, male genital segments, dorsal view; 6, male genital segments, ventral view; 7, female genital segments, lateral view; 8, female genital segments, ventral view. Abbreviations. bc: bursa copulatrix; e: ectoproct; gp 8: gonapophysis 8; gst 9 & 11: gonostyli 9 & 11; gx 8 & 9: gonocoxite 8 & 9; gx + gst + gp 10: complex of gonocoxite + gonostylus + gonapophysis 10; S: sternite; T: tergite. Scale bar = 0.5 mm.

FIGURES 1 – 2. Fore- and hindwings of Nipponeurorthus spp.: 1, Nipponeurorthus damingshanicus sp. nov., paratype female; 2, Nipponeurorthus furcatus sp. nov., paratype male. Scale bars = 1.0 mm.