Zavreliella

Cao, Yanmin & Tang, Hongqu, 2017, Taxonomic Review of Zavreliella Kieffer from East Asia, Zoological Studies (Zool. Stud.) 56 (5), pp. 1-10 : 9

Key to the known males of Asian Zavreliella

species

1. Inferior volsella with 2 recognizable sections divided by a longitudinal suture ............................................................. 2

- Inferior volsella only with a shallow split distally ................... Z. inawaheia Sasa, Kitami and Suzuki, 2001 ( East Asia: Japan)

2. Inner margin of superior volsella with 2 subequal ventromedian setae ........................................................... 3

- Inner margin of superior volsella with 1 long and 2 short ventromedian setae .............................................................. ........... Z. cranstoni Reiss, 1990 (Southeast Asia: Malaysia)

3. Abdominal segments with faint markings. Lateral lobe of superior volsella flat. Wing anal cell with 4-5 rectangular spots ............ Z. marmorata (v. d. Wulp, 1859) (widespread)

- Abdominal segments with dark brown markings. Lateral lobe of superior volsella hemispheric. Wing anal cell with only 3 spots, including a curved one .................................... ............................. ........... Z. shidai sp. n. ( East Asia: China)