Mendozellus Linnavuori

Duan, Yani, Dietrich, Christopher H. & Zhang, Yalin, 2017, Two new species of Mendozellus Linnavuori (Hemiptera: Cicadellidae: Deltocephalinae: Deltocephalini) with redescription of Mendozellus asunctia Cheng, Zootaxa 4232 (2), pp. 231-240 : 232

Key to species of Mendozellus Linnavuori (males)

The following species were described based on female specimens and are therefore omitted from the key: M. brevipennis , M. incisus and M. lineiceps .

1. Aedeagal apex narrowly emarginate in posteroventral view....................................................2

- Aedeagal apex entire in posteroventral view ( Fig. 2 E).........................................................6

2. Apophysis of style irregularly expanded apically, finely serrate.............................................. M. isis

- Apophysis of style finger-like............................................................................ 3

3. Subgenital plate truncate apically................................................................... M. devius

- Subgenital plate acute apically............................................................................4

4. Subgenital plate lateral margin convex............................................................ M. tarandus

- Subgenital plate lateral margin incurved....................................................................5

5. Aedeagus with lateral processes oriented dorsad in lateral view...................................... M. mallecoanus

- Aedeagus with lateral processes oriented posteroventrad in lateral view................................... M. minutus

6. Gonopore large, round, situated at apex of shaft ( Fig. 5 E)......................................................7

- Gonopore not as above.................................................................................. 9

7. Forewing mostly dark brown contrasting with white commissural stripe ( Fig. 4 A–D)............. M. paralaredanus sp. n.

- Forewing coloration not as above.........................................................................8

8. Extreme apex of aedeagus attenuate in lateral view.................................................. M. laredanus

- Extreme apex of aedeagus rounded in lateral view.................................................. M. albolectus

9. Aedeagus without lateral teeth or processes ( Fig. 7 E)............................................. M. rakitovi sp. n.

- Aedeagus with lateral teeth or processes...................................................................10

10. Aedeagus with pair of minute subapical tooth-like processes ( Fig. 2 E)................................... M. asunctia

- Aedeagal with pair of depressed lateral triangular processes.................................................... 11

11. Apophysis of style short, apex truncate with acute lateral and medial angles................................. M. dubius

- Apophysis of style long, acuminate.......................................................................12

12. Aedeagus in ventral view abruptly constricted distad of lateral teeth with apical section nearly parallel sided.. M. patagonicus

- Aedeagus in ventral view evenly tapered from lateral teeth to apex.................................... M. maipuanus

Figures

FIGURE 2. Mendozellus asunctia A: male pygofer lobe, lateral view; B: male pygofer and segments X – XI, dorsal view; C: valve and subgenital plate, ventral view; D: style, dorsal view; E, F: connective and aedeagus, dorsal and lateral view, respectively.

FIGURE 4. Mendozellus paralaredanus A – D: habitus, dorsal view; E: habitus, lateral view; F: face; G: the end of female abdomen, ventral view. A – B: male; C – G: female.

FIGURE 5. Mendozellus paralaredanus A: male pygofer lobe, lateral view; B: male pygofer and segments X – XI, dorsal view; C: valve, subgenital plates and styles, ventral view; D: style, dorsal view; E, F: connective and aedeagus, dorsal and lateral view, respectively.

FIGURE 7. Mendozellus rakitovi A: male pygofer lobe, lateral view; B: male pygofer and segments X – XI, dorsal view; C: valve, subgenital plates and styles, ventral view; D: style, dorsal view; E, F: connective and aedeagus, dorsal and lateral view, respectively (broken).