Homoneura (Homoneura) unguiculata (Kertesz, 1913)

Shen, Rongrong, Shi, Li, Li, Wenliang & Wang, Junchao, 2018, A new species of subgenus Homoneura from Northern China, with information of 12 species newly recorded (Diptera: Lauxaniidae: Homoneura), Zootaxa 4418 (6), pp. 501-525 : 518-519

Key to separate 8 species in the Homoneura (Homoneura) unguiculata group

[Modified from Shi and Yang 2014]

1. Face with silver white pruinosity; surstylus claw-like in lateral view..................... .. H. (H.) unguiculata (Kertész)

- Face without silver white pruinosity; surstylus not as above....................................................2

2. Mid tibia with 1 strong apicoventral seta.................................................................. 3

- Mid tibia with 2 strong apicoventral setae..................................................................6

3. Cercus black; wing sapromyziform, with small black spines on costal margin extending between R2+3 and R4+5............................................................................................... H. (H.) filiola Czerny

- Cercus yellow; wing homoneuriform, with small black spines on costal margin extending to R4+5.......................4

4. Arista pubescent, with longest ray shorter than 1/6 height of 1 st flagellomere ; male abdominal tergite 6 about two times as high as tergite 5 in dorsal view, and sternite 5 bilobate posteriorly with 3 stout teeth on each lobe ( Fig. 76 )................................................................................................. H. (H.) hanmaensis sp. nov.

- Arista short plumose, with longest ray longer than 1/2 height of 1 st flagellomere ; male tergite 6 and sternite 5 without above special structure....................................................................................... 5

5. Male genitalia: syntergosternite confluent with epandrium, epandrium broad quadrate having two claviform subapical processes with two acute tips; surstylus with a subuliform process....................... H. (H.) jianlingensis Shi and Yang

- Male genitalia: syntergosternite separated from epandrium, epandrium rectangular without subapical processes; surstylus consisting of a thin and long stick-like process and a short irregular process, constricted at middle... .. H. (H.) pallidula Malloch

6. Upper margin of antennal 1 st flagellomere weakly amputated; cercus without 5–8 strong setulae at apex; surstylus short barlike, acute and curved apically....................................................... .. H. (H.) diversa (Kertész)

- Upper margin of antennal 1 st flagellomere not as above; cercus with 5–8 strong setulae at apex; surstylus not as above.....7

7. Arista pubescent; male sternite 6 with a pair of long and wide caudal processes; surstylus blunt at apex, with minute setulae and teeth........................................................................ H. (H.) shewelliana Papp

- Arista short plumose; male sternite 6 without caudal processes; surstylus sharp and slightly curved at apex, with short setulae................................................................................... H. (H.) Patella Shewell

Figures

FIGURES 73–78. Homoneura (Homoneura) hanmaensis sp. nov. Paratype male genitalia: 73. syntergosternite and epandrial complex, lateral View; 74. epandrial complex, posterior View; 75. syntergosternite, posterior View; 76. sternite 5, Ventral View; 77. phallus complex, Ventral View; 78. phallus complex, lateral View.Scale 0.1 mm.