Homoneura (Homoneura) tibetensis

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

Key to separate 6 species in the Homoneura (Homoneura) tibetensis group

[Modified from Shi and Yang 2014]

1. Wing with a distinct brown spot on subbasal section of R4+5, M1 or CuA1..........................................2

- Wing without subbasal spot as above...................................................................... 4

2. Wing with apical spot on R2+3 confluent with a medial spot on R4+5 and apical spot on R4+5; surstylus digitiform in lateral view............................................................................. H. (H.) lata Yang, Hu and Zhu

- Wing with apical spot on R2+3 separated from a medial spot on R4+5 and apical spot on R4+5; surstylus not as above......... 3

3. Brown basal spot on R4+5; surstylus with two processes ( Fig. 67 )................................ H. (H.) tenera (Loew)

- Brown basal spot on M1 and CuA1; male genitalia unknown................................. H. (H.) pictipennis Czerny

4. Wing with a long brown stripe-like spot on R2+3 confluent with a medial spot on R4+5, medial spot on R4+5 partly confluent with brown cloud on dm-cu; brown clouds on r-m and dm-cu; epandrium wide and blunt round apically; surstylus narrow claviform with apical setulae, originated from inner side at middle of dorsal margin in lateral view..................................................................................................... H. (H.) polyacantha Yang, Zhu and Hu

- Wing pattern not as above; narrow brown spot on r-m and dm-cu; epandrium and surstylus not as above.................5

5. A brown spot between r-m and brown apical spot on R4+5 situated before vertical level of brown apical spot on R2+3; epandrium round apically in lateral view; surstylus narrow claviform, originated from inner side at middle of lower dorsal margin................................................................................. H. (H.) tibetensis Gao and Yang

- A brown spot on R4+5 between r-m and brown apical spot on R4+5 situated at same vertical level of brown apical spot on R2+3; epandrium narrow apically and slightly concaved on dorsal margin in lateral view; surstylus long claviform, with a small tooth and a curved acute process....................................................... .. H. (H.) variinervis (Kertész)

Figures

FIGURES 64–67. Homoneura (Homoneura) tenera (Loew, 1846). Non-type male genitalia: 64, 66. syntergosternite and epandrial complex, lateral View; 66, 67. syntergosternite and epandrial complex, lateral View.