Pachyjassus basifurcatus,

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: 14

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scientific name

Pachyjassus basifurcatus

gen. et sp. nov.

Pachyjassus basifurcatus  gen. et sp. nov.

Figs 1BView Fig, 4View Fig D–F, 16A– C


The species name refers to the basally forked ventral process of the aedeagus.

Material examined


MADAGASCAR • ♂; “ MADAGASCAR: Tulear Province , Beza Mahafaly Reserve, Parcelle I near research station, 1–8 February 2002, 23°41.19′ S, 44°35.46′ E, California Acad of Sciences colls: ME Irwin, FD Parker, R. Harin’Hala, malaise trap in dry deciduous forest, elev 165 m, MA-02-14A-14”; CAS.GoogleMaps 


MADAGASCAR – Toliara • 2 ♂♂; Andohahela National Park, Tsimelahy , Parcelle II; 24°56.21′ S, 46°37.60′ E; alt. 180 m; 15–26 Feb. 2003; M. Irwin, F. Parker and R. Harin’Hala leg.; Malaise trap; transitional forest; MA-02-20-16; INHSGoogleMaps  1 ♂; same collection data as for preceding; 26 Jan.–5 Feb. 2003; MA- 02-20-14; CASGoogleMaps  1 ♀; Andohahela National Park, Ihazofotsy Parcelle III; 24°49.85′ S, 46°32.17′ E; 24 Feb.–6 Mar. 2003; M. Irwin, F. Parker and R. Harin’Hala leg.; alt. 80 m; Malaise trap; in dry spiny forest; MA- 02-21-11; INHSGoogleMaps  .


Length of male 7.0– 7.7 mm, female 8.6 mm. Color and structural features as described for genus; venter including face mostly dull stramineous, except ventral surface of antennal ledge and anterolateral margin of pronotum below carina dark brown. Hind tibial rows PD, AD and AV with 17–18, 11–12 and 14–16 macrosetae, respectively. Style apophysis somewhat broadened near midlength, without preapical projection. Connective with anterior margin roundly produced.Aedeagus with atrium disc-like, shaft strongly compressed, arising from dorsum of atrium, extended posterad, then strongly recurved, somewhat expanded distally, apex obliquely rounded, gonopore on posterior surface of apex; long ventral process arising from ventral end of atrium, forked near base, with two parallel and somewhat asymmetrical branches extended posterodorsad nearly to level of shaft apex. Female sternite VII with posterior margin broadly angulately emarginate. Ovipositor as described for genus.


California Academy of Sciences


Illinois Natural History Survey