Phaiojassus unispinosus, Dietrich & Magalhães & Takiya, 2020

Dietrich, Christopher H., Magalhães, Raysa Brito de & Takiya, Daniela M., 2020, Revision of the endemic Malagasy leafhopper tribe Platyjassini (Hemiptera: Cicadellidae: Iassinae), European Journal of Taxonomy 695, pp. 1-89 : 26

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scientific name

Phaiojassus unispinosus

gen. et sp. nov.

Phaiojassus unispinosus   gen. et sp. nov.

Figs 1L View Fig , 5 View Fig Y–BB


The species name refers to the presence of a single spine on the aedeagus.

Material examined


MADAGASCAR • ♂; “ MADAGASCAR: Toliara Foret Ivohibe 55.0 km N Tolagnaro 2–4 Dec 2006, 24°34′08″ S 047°12′14″ E, California Acad of Sciences , coll. B.L.Fisher et al., malaise trap elev 200 m, rainforest BLF15448 View Materials ”; CAS. GoogleMaps  


MADAGASCAR – Fianarantsoa • 1 ♂; Parc National Ranomafana, Vohiparara , at broken bridge; 21°13.57′ S, 47°22.19′ E; alt. 1110 m; 22–29 Apr. 2002; M. Irwin and R. Harin’Hala leg.; Malaise trap; high altitude rainforest; MA-02-09A-26; CAS GoogleMaps   . – Antananarivo • 1 ♂; 3 km 41° NE of Andranomay, 11.5 km 147° SSE of Anjozorobe; 18°28′24″ S, 47°57′36″ E; alt. 1300 m; 5–13 Dec. 2000; Fisher, Griswold et al. leg.; Malaise trap; montane rainforest; coll. code: BLF2372; INHS GoogleMaps   .


Length of male 6.7–7.0 mm (female unknown). Dorsum uniformly dark brown except for stramineous costal area of forewing, venter pale stramineous. Hind tibial rows PD, AD and AV with 21, 10–12 and 13–14 macrosetae, respectively. Style with apex of apophysis bluntly angulate. Connective with anterior margin evenly convex. Aedeagus with shaft evenly curved dorsad, dorsal surface trough-like, apex weakly bilobed in posterior view, gonopore apical on posterior surface; with large, unpaired, asymmetrically spatulate process arising on left side of shaft near midlength, extended along shaft but not reaching shaft apex.


USA, Illinois, Champaign, Illinois Natural History Survey


California Academy of Sciences


Illinois Natural History Survey