Diplonevra

Lee, Jun-Ho, Lee, Jun-Gi & Kim, Sam-Kyu, 2022, A taxonomic study on the South Korean Diplonevra (Diptera: Phoridae), Zootaxa 5138 (3), pp. 238-260 : 258

publication ID	https://doi.org/10.11646/zootaxa.5138.3.2
publication LSID	lsid:zoobank.org:pub:11C1592C-6EB3-4705-A65A-F0589E602139
DOI	https://doi.org/10.5281/zenodo.6564885
persistent identifier	https://treatment.plazi.org/id/97041566-5179-C741-78A6-FEB9FA44F823
treatment provided by	Plazi
scientific name	Diplonevra
status

Treatment

A key to males of all eight Diplonevra View in CoL species from South Korea

1. Hind tibia with three dorsal longitudinal setal palisades ( Fig. 4C View FIGURE 4 )............................................... 2

- Hind tibia with two dorsal longitudinal setal palisades ( Fig. 4U View FIGURE 4 )................................................ 3

2. Inner face of hind trochanter without stout setae ( Fig. 6B View FIGURE 6 ); hind tibia with 3 or 4 anterodorsal stout setae ( Fig. 4B View FIGURE 4 ); venter of abdomen blackish brown ( Fig. 1A View FIGURE 1 )............................................................. D. abbreviata

- Inner face of hind trochanter with one stout seta; hind tibia with one anterodorsal stout seta; venter of abdomen pale yellow (based on Chinese specimens described and illustrated in Liu & Yang 2016: 33, figs. 1, 2, 33)................ D. bifasciata

3. Hind tibia with anterodorsal stout setae ( Fig. 4H View FIGURE 4 )............................................................ 4

- Hind tibia without anterodorsal stout setae ( Fig. 4K View FIGURE 4 )......................................................... 5

4. Body mostly yellowish brown with dark brown markings on abdominal tergites ( Fig. 2I View FIGURE 2 ); ventrobasal area of inner face of hind femur with two peg-like strong setae ( Fig. 7F View FIGURE 7 ); hind tibia with 2 or 3 anterodorsal stout setae and 2–4 small anteroventral setae (mostly 3 anterodorsal and 3 anteroventral) ( Fig. 4T View FIGURE 4 )................................................ D. peregrina View in CoL

- Body entirely blackish brown, except yellow flagellomere 1, palpus and cercus ( Fig. 1G View FIGURE 1 ); ventrobasal area of inner face of hind femur with row of four long stout setae ( Fig. 6G View FIGURE 6 ); hind tibia with two anterodorsal stout setae, without anteroventral setae ( Fig. 4H View FIGURE 4 )....................................................................................... D. florescens View in CoL

5. Ventrobasal area of inner face of male hind femur with ascending process ( Fig. 6E, I View FIGURE 6 )............................... 6

- Ventrobasal area of inner face of male hind femur without ascending process ( Fig. 7B, D View FIGURE 7 )............................ 7

6. Flagellomere 1 and palpus yellowish brown ( Fig. 1K View FIGURE 1 ); inner face of hind trochanter with four long, sinuate setae arranged in longitudinal row on median area ( Fig. 6I View FIGURE 6 ); ventrobasal area of inner face of hind femur with ascending process bearing two flattened, blunt setae ( Fig. 6I View FIGURE 6 ); hind tibia with 2 or 3 short anteroventral setae ( Fig. 4K View FIGURE 4 )....................... D. hirsuta View in CoL

- Flagellomere 1 and palpus dark brown ( Fig. 1E View FIGURE 1 ); inner face of hind trochanter with two bifurcated stout setae on median area ( Fig. 6E View FIGURE 6 ); ventrobasal area of inner face of hind femur with ascending process bearing two flagellate long setae ( Fig. 6D, E View FIGURE 6 ); hind tibia without anteroventral setae ( Fig. 4E View FIGURE 4 ).............................................. D. biflagella View in CoL , sp. nov.

7. Dorsal face of fore and mid tarsomeres 5 dark brown ( Fig. 2E View FIGURE 2 ); ventrobasal area of inner face of hind femur with three strong setae plus two long, narrow setae ( Fig. 7D View FIGURE 7 ); hind tibia with single short anteroventral seta ( Fig. 4Q View FIGURE 4 ); left plate of hypandrium without posterodorsal incision ( Fig. 9C View FIGURE 9 ).................................................. D. nigritarsis View in CoL , sp. nov.

- Dorsal face of fore and mid tarsomeres 5 pale brown ( Fig. 2A View FIGURE 2 ); ventrobasal area of inner face of hind femur with 3 or 4 strong setae plus one short, fine seta ( Fig. 7B View FIGURE 7 ); hind tibia with two short anteroventral setae ( Fig. 4N View FIGURE 4 ); left plate of hypandrium with small, rounded posterodorsal incision ( Fig. 9A View FIGURE 9 ).............................................. D. incisura View in CoL , sp. nov.

A key to females of seven Diplonevra species from South Korea

(except D. biflagella sp. nov. with female unknown)

1. Hind tibia with three dorsal longitudinal setal palisades ( Fig. 4C View FIGURE 4 )............................................... 2

- Hind tibia with two dorsal longitudinal setal palisades ( Fig. 4U View FIGURE 4 )................................................ 3

2. Hind tibia with 3 or 4 anterodorsal stout setae ( Fig. 4B View FIGURE 4 ); dorsal face of abdominal segment 5 blackish brown ( Fig. 1D View FIGURE 1 ); venter of abdomen blackish brown ( Fig. 1C View FIGURE 1 )........................................................... D. abbreviata

- Hind tibia with one anterodorsal stout seta; dorsal face of abdominal segment 5 pale yellow; venter of abdomen pale yellow (based on Chinese specimens described and illustrated in Liu & Yang 2016: 33, fig. 33).................... D. bifasciata

3. Hind tibia with anterodorsal stout setae ( Fig. 4H View FIGURE 4 )............................................................ 4

- Hind tibia without anterodorsal stout setae ( Fig. 4K View FIGURE 4 )......................................................... 5

4. Body mostly yellowish brown with dark brown markings on abdominal tergites ( Figs. 2L View FIGURE 2 , 3B–E View FIGURE 3 ), or sometimes on scutum ( Fig. 3D–E View FIGURE 3 ); wing vein M 1 almost straight, not distinctly curved ( Fig. 5L View FIGURE 5 ); hind tibia with 2 or 3 anterodorsal stout setae and 2–4 small anteroventral setae (mostly 3 anterodorsal and 3 anteroventral) ( Fig. 4T View FIGURE 4 )............................ D. peregrina View in CoL

- Body entirely blackish brown, except yellow flagellomere 1, palpus and terminalia ( Fig. 1I, J View FIGURE 1 ); wing vein M 1 sinuated ( Fig. 5E View FIGURE 5 ); hind tibia with two anterodorsal stout setae, without anteroventral setae ( Fig. 4H View FIGURE 4 )......................... D. florescens View in CoL

5. Vein of costal sections II–III not thickened; abdominal tergite 2 with pair of round incisions anteriorly and single pointed incision anteromedially; abdominal tergite 4, 5 absent (based on original descriptions and illustrations in Michailovskaya, 2000: 3, figs. 15, 16)................................................................................... D. hirsuta View in CoL

- Vein of costal sections II–III thickened ( Fig. 5H View FIGURE 5 ); abdominal tergite 2 without distinct incisions on anterior margin; abdominal tergite 4, 5 well-developed ( Fig. 2D View FIGURE 2 )...................................................................... 6

6. First flagellomere, palpus and terminalia dark brown; wing vein Rs without weak depression apically; dorsal face of fore and mid tarsomeres 5 darkened ( Fig. 2G View FIGURE 2 ); hind tibia with single short anteroventral seta ( Fig. 4Q View FIGURE 4 )........ D. nigritarsis View in CoL , sp. nov.

- First flagellomere, palpus and terminalia yellowish brown; wing vein Rs with weak depression apically; dorsal face of fore and mid tarsomeres 5 not darkened ( Fig. 2C View FIGURE 2 ); hind tibia with two short anteroventral setae ( Fig. 4N View FIGURE 4 )........ D. incisura View in CoL , sp. nov.