Exitianus nanus ( Distant, 1908 )

El-Hady, Rabab M. & El-Sayed, Ahmed F., 2024, Classical taxonomy, molecular phylogeny and genetic analysis of the genus Exitianus Ball, 1929 (Hemiptera: Cicadellidae: Deltocephalinae) from Egypt, Zoological Systematics 49 (2), pp. 143-157 : 148-149

publication ID	https://doi.org/10.11865/zs.2024202
DOI	https://doi.org/10.5281/zenodo.12173791
persistent identifier	https://treatment.plazi.org/id/039E697F-FFEA-FFBE-FF02-FF3DD79AF234
treatment provided by	Felipe
scientific name	Exitianus nanus ( Distant, 1908 )
status

Treatment

Exitianus nanus ( Distant, 1908) View in CoL ( Fig. 2 View Figure 2 )

Athysanus nanus Distant, 1908: 345 View in CoL .

Athysanus insularis Distant, 1909: 47 View in CoL .

Athysanus fasciolatus Melichar, 1911: 107 View in CoL .

Athysanus simillimus Matsumura, 1914: 185 View in CoL .

Phrynomorphus nanus View in CoL : Distant, 1918: 51.

Athysanus vulnerans Bergevin, 1925: 42 View in CoL .

Limotettix albipennis Haupt, 1927: 25 View in CoL .

Limotettix unifasciatus Haupt, 1930: 159 View in CoL .

Athysanus digressus van Duzee, 1933: 32 View in CoL .

Exitianus nanus View in CoL : Oman, 1938: 383.

Exitianus fulvinervis Li & He, 1993: 27 View in CoL .

Distribution. Eastern and Western Palaearctic, Oriental, Afrotropical Regions ( Metcalf, 1967; Nast, 1972). In Egypt, Upper Nile and Toshka.

Material examined. Dishna , 15. V.2018 (11) ; Dishna , 1. VI.2018 (18) ; Dishna , 15.VII.2018 (25) ; Dishna , 15.VIII.2018 (66) ; Dishna , 31.VIII.2018 (320) ; Dishna , 15.IX.2018 (114) ; Dishna , 30.IX.2018 (56) ; Dishna , 15.X.2018 (12) ; Dishna , 15.XI.2018 (23) ; Dishna , 30.XI.2018 (4) ; Dishna , 15.XII.2018 (26) ; Dishna , 31.XII.2018 (20) ; Qous , 15. VI.2018 (27) ; Qous , 30. VI.2018 (37) ; Qous , 15.VII.2018 (57) ; Qous , 30.VII.2018 (44) ; Qous , 15.VIII.2018 (51) ; Al Qous , 31.VIII.2018 (63) ; Qous , 15.IX.2018 (64) ; Qous , 31.IX.2018 (37) ; Qous , 15.X.2018 (17) ; Qous , 30.IX.2018 (12) ; Qous , 15.X.2018 (32) ; Qous , 15.XI.2018 (11) ; Toshka , 15.III.2019 (295) ; Toshka , 30.IV.2019 (154) ; Toshka , 15. V.2019 (165) ; Toshka , 15. VI.2019 (207) ; Dishna , 15.VIII.2021 (81) ; Dishna , 16.VIII.2021 (76) ; Kom Ombo , 17.VIII.2021 (21) ; Luxor, 5.VII.2021 (11).

Description. Measurement. Body length, male 3.4–4.5 mm, female 4.0– 5.2 mm. Crown length 0.25 mm, width 1.2 mm. Pronotum width 1.2 mm, length 0.5 mm. Scutellum length 0.25 mm, width 0.8 mm. Forewing length 3.5 mm.

Structure. Body yellowish brown ( Fig. 2A View Figure 2 ). Crown band with a median cut; lateral pale brownish arcs on frontoclypeus ( Fig. 2D View Figure 2 ). Pronotum with small brownish markings along anterior margin. Scutellum with two basal dark brown triangles ( Fig. 2C View Figure 2 ). Forewing with dark venation.

Male genitalia. Pygofer with 4 black apical spines ( Fig. 2E View Figure 2 ). Valva articulated to pygofer with triangular apex. Subgenital plate narrow, triangled with rounded apex, group of macrosetae arranged in one distal row. Aedeagus stout, curved dorsally, without processes; Y-shaped connective. Anal tube long and chitinous.

Remarks. This species can be distinguished by the two basal triangles on the scutellum and the four pygofer spines.

V	Royal British Columbia Museum - Herbarium
VI	Mykotektet, National Veterinary Institute

Copyright notice

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Taxonomy

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Hemiptera
Family	Cicadellidae
Genus	Exitianus