A new species of subgenus Homoneura from Northern China, with information of 12 species newly recorded (Diptera: Lauxaniidae: Homoneura) Author Shen, Rongrong Author Shi, Li Author Li, Wenliang Author Wang, Junchao text Zootaxa 2018 4418 6 501 525 journal article 30093 10.11646/zootaxa.4418.6.1 f330755e-f750-40cc-aef2-d498ffe912bc 1175-5326 1245368 90EBB1FF-D313-426E-B71A-330CC522914A 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)