Longicornus Li & Song, 2008

Hu, Shangmi & Xing, Jichun, 2024, Description of two new species of the leafhopper genus Longicornus (Hemiptera: Cicadellidae: Deltocephalinae) from China, Zootaxa 5477 (5), pp. 571-578 : 572

publication ID	https://doi.org/ 10.11646/zootaxa.5477.5.4
publication LSID	lsid:zoobank.org:pub:EFA4794F-B4FF-4278-829D-CFD838C483D4
DOI	https://doi.org/10.5281/zenodo.12733398
persistent identifier	https://treatment.plazi.org/id/C33D1176-FFFD-FFDB-FF60-FF2DDB1AFA0C
treatment provided by	Plazi
scientific name	Longicornus Li & Song
status

Treatment

Checklist to species of Longicornus

L. biprocessus Fang & Xing, 2018 Distribution: China (Sichuan)

L. brevispinus Fang & Xing, 2019 Distribution: China (Yunnan)

L. concavus sp. nov. Distribution: China (Tibet)

L. nonprocessus sp. nov. Distribution: China (Tibet)

L. flavipuncatu s Li & Song, 2008 Distribution: China (Sichuan, Guizhou, Yunnan)

L. furcatus Fang & Xing, 2018 Distribution: China (Sichuan)

L. grossus Gou & Xing, 2022 Distribution: China (Yunnan)

L. longus Xing & Li, 2024 Distribution: China (Yunnan)

Key to species (males) of Longicornus (modified from Gou & Xing, 2022)

1. Aedeagus without processes.......................................................... L. nonprocessus sp. nov.

Aedeagus with processes............................................................................... 2

2. Aedeagus with pair of processes arising basally............................................................. 3

Aedeagus with pair of processes arising apically............................................................. 5

3. Aedeagal shaft with two pairs of processes medially on dorsal margin.................................. L. biprocessus

Aedeagus with pair of furcate processes arising from ventral margin near base..................................... 4

4. Long ventral branches of aedeagal processes approximately long spikes................................... L. furcatus

Long ventral branches of aedeagal processes approximately subtriangular, thin, and its outer margin with fine teeth............................................................................................ L. concavus sp. nov.

5. Aedeagal processes about as long as shaft.................................................................. 6

Aedeagal processes shorter than shaft..................................................................... 7

6. Aedeagus with furcate process arising apically in lateral view.......................................... L. grossus

Aedeagus with simple, slender process arising apically in lateral view................................ L. flavipuncatus

7. Aedeagus long, with apical processes about 1/2 length of shaft.......................................... L. longus

Aedeagus short and stout, with apical processes shorter than ¼ length of shaft........................... L. brevispinus

Taxonomy

Longicornus Li & Song View in CoL

Longicornus Li & Song, 2008: 27 View in CoL ; Li et al. 2011: 110; Zahniser & Dietrich 2013: 152; Fang & Xing 2018: 435 View Cited Treatment ; Fang & Xing 2019: 68 View Cited Treatment ; Gou & Xing 2022: 251 View Cited Treatment ; Dmitriev et al. 2024: 275.

Type species: Longicornus flavipuncatus Li & Song, 2008 View in CoL

Remarks. For the relationship and diagnosis of Longicornus see Fang & Xing (2018: 436).

Distribution. China (Guizhou, Sichuan, Yunnan, Tibet)

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Hemiptera
Family	Cicadellidae
SubFamily	Deltocephalinae