Neoperla

Chen, Zhi-Teng & Du, Yu-Zhou, 2016, Contribution to the knowledge of Neoperla (Plecoptera: Perlidae) from Hainan Province of China, Zootaxa 4144 (2), pp. 243-252: 251-252

publication ID

http://doi.org/10.11646/zootaxa.4144.2.6

publication LSID

lsid:zoobank.org:pub:C96FA109-D9C0-40D0-BC00-F049C93B188B

persistent identifier

http://treatment.plazi.org/id/03853064-6731-D538-FF3F-BBA604A7FF65

treatment provided by

Plazi

scientific name

Neoperla
status

 

Key to males of species of Neoperla   from Hainan Province, China.  

1. Tergum 9 with a pair of small rounded nodules medially (see figs. 85–86 in Wu 1973)...................... N. binodosa  

-. Tergum 9 without above mentioned nodules................................................................ 2

2. Hemitergal process of tergum 10 very long and sharp, reaching posterior margin of tergum 8 (see figs. 110–111 in Wu 1938)........................................................................................... N. longispina  

-. Hemitergal process of tergum 10 not very long and sharp, not reaching tergum 8................................... 3

3. Tergum 7 with a sub-trapezoidal process, tergum 8 with an upcurved sclerite...................................... 4

-. Tergum 7 without sub-trapezoidal process, tergum 8 without upcurved sclerite..................................... 5

4. Aedeagus curved (see fig. 4 in Yang & Yang 1995)................................................ N. hainanensis  

-. Aedeagus straight, process of tergum 7 with a pair of cornuted lobes laterally (see fig. 3 in Yang & Yang 1995).. N. bicornuta  

5. Aedeagus without lobes ( Figs. 3–4 View FIGURES 1 – 4 )......................................................... N. minuta   sp. nov.

-. Aedeagus with lobes................................................................................... 6

6. Aedeagus exhibits an S-shaped curve laterally (see figs. 3–4 in Kong et al. 2014)......................... N. bicurvata  

-. Aedeagus not S-shaped................................................................................ 7

7. Aedeagus with only two small lobes ( Figs. 7–8 View FIGURES 5 – 9 )........................................... N. wuzhishana   sp. nov.

-. Aedeagus with more than two lobes....................................................................... 8

8. Aedeagus with an elongated ventral lobe and two small dorsal lobes (see Figs. 5–6 View FIGURES 5 – 9 in Kong et al. 2014).... N. furcomaculata  

-. Aedeagus with more than three lobes...................................................................... 9

9. Aedeagus with four small lobes and a large lobe (see figs. 1–2 in Kong et al. 2014).......................... N. baisha  

-. Aedeagus with four small lobes and two large lobes ( Figs. 14–16 View FIGURES 12 – 16 ).............................. N. sexlobata   sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Perlidae