Petalojassus ochrescens, 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: 19-20

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scientific name

Petalojassus ochrescens

gen. et sp. nov.

Petalojassus ochrescens   gen. et sp. nov.

Figs 1E View Fig , 4 View Fig Q–T, 16J–L


The species name refers to the ochraceous dorsal coloration.

Material examined


MADAGASCAR • ♂; “ MADAGASCAR: Province Fianarantsoa, Parc National Ranomafana, Belle Vue at Talatakely , elev 1020 m, 14–23 April 2002, 21°15.99′ S, 47°25.21′ E, coll: M. Irwin, R. Harin’Hala, California Acad of Sciences , malaise, secondary tropical forest MA-02-09C-25”; CAS. GoogleMaps  


MADAGASCAR – Fianarantsoa • 1 ♂; Parc National Ranomafana , radio tower at forest edge ; 21°15.05′ S, 47°24.43′ E; alt. 1130 m; 16 Oct.–8 Nov. 2001; M. Irwin and R. Harin’Hala leg.; Malaise trap; mixed tropical forest; MA-02-09B-01; INHS GoogleMaps   1 ♀; 50 km S of Farafangana, Mahabo Mananivo, Ampitavananima Forest ; 23°7.79′ S, 47°43.02′ E; alt. 34 m; 27 Dec. 2007 – 3 Jan. 2008; M. Irwin, F. Parker and R. Harin’Hala leg.; Malaise trap; in low altitude littoral rainforest; MG-35-46; CAS GoogleMaps   1 ♀; Ranomafana JIRAMA water works; 21°14.91′ S, 47°27.13′ E; alt. 690 m; 21–28 Jan. 2002; M. Irwin and R. Harin’Hala leg.; Malaise trap; near river; MA-02-09D-13; CAS GoogleMaps   .


Length of male 6.9–7.0 mm; female 7.5–8.3 mm. Dorsum with paired black spots on posterolateral corner of pronotum, forewing with large, symmetrical, bilobed, transcommissural olive green marking covering most of clavus and part of corium. Hind tibial rows PD, AD and AV with 21–23, 13 and 13–16 macrosetae, respectively. Style apophysis somewhat broadened near midlength, gradually curved dorsad, coarsely denticulate ventrally, apex obliquely tapered. Aedeagus with atrium shield-like; shaft arising medially from dorsal part of atrium, very short and slender, curved dorsad, gonopore apical; large process arising from ventral part of atrium to right of shaft, curved dorsad and surpassing shaft apex, apex flattened and tapered to sharp point; second poorly sclerotized process arising from right ventrolateral corner of atrium, slightly shorter than first ventral process. Female abdominal sternite VII with lateral lobes much narrower than median lobe. Ovipositor as described for genus.


California Academy of Sciences


Illinois Natural History Survey