Opsiini

Dai, Wu, Cui, Wei, Xiao, Bin & Zhang, Yalin, 2010, A new genus and species of Old World Opsiini (Hemiptera: Cicadellidae: Deltocephalinae), with a key to genera and species checklist for the tribe, Zootaxa 2607, pp. 55-68 : 57-58

publication ID

https://doi.org/ 10.5281/zenodo.197725

DOI

https://doi.org/10.5281/zenodo.6210247

persistent identifier

https://treatment.plazi.org/id/CE2987A9-FFF1-7A6E-FF42-914C51EEF5D3

treatment provided by

Plazi

scientific name

Opsiini
status

 

Key to genera of the tribe Opsiini View in CoL (males)

(Compiled based on literature including generic description and modified from Emeljanov (1999) and Dmitriev (2002))

1 Subgenital plates with a row of macrosetae; genital valve not enlarged ...................................................................... 2

- Subgenital plates without macrosetae; genital valve large ......................................................................................... 20

2 Mesal margin of eye notched; single T-branched shaft arising from base of aedeagus, with shaft branches forming semicircle (Circuliferina) .............................................................................................................................................. 3

- Mesal margin of eye not notched; aedeagal shafts arising from base separately (Opsiina) ......................................... 5

3 Aedeagal shafts rounded in cross section. Gonopores apical ....................................................................................... 4

- Aedeagal shafts flattened. Gonopores subapical .......................................................................... Pedarium View in CoL Emeljanov

4 Vertex convex, boundary between face and vertex smooth ............................................................. Neoaliturus View in CoL Distant

- Vertex concave, edge between face and vertex distinct ................................................................... Concavifer View in CoL Dlabola

5 Vertex longer medially than next eye ........................................................................................................................... 6

- Vertex of uniform length ......................................................................................................................... Cestius View in CoL Distant

6 Pygofer with paired inner processes arising dorsally ..................................................................... Lampridius View in CoL Distant

- Pygofer without paired inner processes ........................................................................................................................ 7

7 Subgenital plate with additional lateral plate at base ......................................................................... Alishania Vilbaste

- Subgenital plate without additional lateral plate at base............................................................................................... 8

8 Forewings with a triangular marble pattern forming in the middle a darker rhomboidal spot when wings at rest ........ ....................................................................................................................................................... Hishimonus View in CoL Ishihara

- Forewings without triangular marble pattern forming in the middle a darker rhomboidal spot when wings at rest ... 9

9 Aedeagus with atrium extending ventrad of shafts..................................................................................................... 10

- Aedeagus with atrium not extending ventrad of shaft ................................................................................................ 12

10 Aedeagal atrium terminating ventrally in elongate posteriorly directed processes .................................................... 11

- Aedeagal atrium without processes ........................................................................................................ Naevus Knight View in CoL

11 Aedeagal with unpaired ventral process bifurcate in apical half ................................................. Libengaia View in CoL Linnavuori

- Aedeagal with a pair of ventral processes ............................................................................................... Litura Knight View in CoL

12 Aedeagus without basal process ................................................................................................................................. 13

- Aedeagus with basal process ...................................................................................................................................... 14

13 Pronotum and forewing with dark-brown filigranous stripes ................................................................ Orosius View in CoL Distant

- Pronotum and forewing without dark-brown filigranous stripes .............................................................. Nesophrosyne View in CoL

14 Basal processes of aedeagus arising from socle ......................................................................................................... 15

- Basal processes of aedeagus arising from inner margin of shaft....................................................... Introrsa View in CoL gen. nov.

15 Aedeagus with unpaired ventral process at base ............................................................................... Norva View in CoL Emeljanov

- Aedeagus with pair of ventral processes at base......................................................................................................... 16

16 Aedeagus with 2 pairs of basal processes. Process of pygophore serrate ventrally ................. Hishimonoides View in CoL Ishihara

- Aedeagus with a pair of basal processes. Pygophore without process ....................................................................... 17

17 Aedeagal socle swollen and bulbous ....................................................................................................... Opsius Fieber View in CoL

- Aedeagal socle not swollen......................................................................................................................................... 18

18 Aedeagus with pair of basal processes arising between aedeagal shaft; gonopores large, far from apex; phragma forming two large, rectangular plates ............................................................................................ Satsumanus View in CoL Ishihara

- Aedeagus with pair of basal processes arising below aedeagal shaft; gonopores small, apical ................................. 19

19 Apophysis of style elongate .......................................................................................................... Opsianus View in CoL Linnavuori

- Apophysis of style not elongate...................................................................................................... Aladzoa Linnavuori View in CoL

20 Macropterous; male genital valve longer than wide, parabolic or lanceolate-parabolic; lobe of pygofer with ventral pointed process (Eremophlepsiina)............................................................................................................................. 21

- Brachypterous, forewings truncate caudally; male genital valve wider than long; lobes of pygofer without ventral processes (Achaeticina)............................................................................................................................................... 22

21 Genital plate with digitiform, soft, elongate apex. Apex of style digitiform, not dilated............................................... .......................................................................................................................................... Pseudophlepsius View in CoL Zachvatkin

- Genital plate with short sclerotized apex somewhat projecting beyond valve apex. Apex of style flattened and hatchet-like, dilated ............................................................................................................ Eremophlepsius View in CoL Zachvatkin

22 Pronotum with lateral carinae. Apex of vertex angularly projecting forward; vertex edge sharp, lamelliform. Apex of postclypeus with thick longitudinal carina ............................................................................... Chlidochrus View in CoL Emeljanov

- Pronotum without lateral carinae. Boundary between vertex and face smooth or, if slightly depressed, marked by weak carina ................................................................................................................................................................. 23

23 Apex of anteclypeus convex ....................................................................................................................................... 24

- Apex of anteclypeus with deep emargination ................................................................................... Diacra View in CoL Emeljanov

24 Pygophore not produced ............................................................................................................... Achaetica View in CoL Emeljanov

- Pygophore with blunt projection below anal tube .......................................................................... Zapycna View in CoL Emeljanov

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Cicadellidae

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