Phaiojassus acutus, 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 : 23

Phaiojassus acutus gen. et sp. nov.

urn:lsid:zoobank.org:act:786C828E-0FC8-4E5F-9C5E-174334577872

Figs 1F , 5 A–D, 16M–O

Etymology

The species name refers to the acute apex of the aedeagus.

Material examined

Holotype

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.

Paratypes

MADAGASCAR – Fianarantsoa • 1 ♂, 1 ♀; Parc National Ranomafana, Belle Vue at Talatakely ; 21°15.99′ S, 47°25.21′ E; alt. 1020 m; 14–23 Apr. 2002; M. Irwin and R. Harin’Hala leg.; Malaise trap; secondary tropical forest; MA-02-09C-25; CAS • 1 ♂; same collection data as for preceding; INHS • 2 ♂♂; Parc National Ranomafana, Belle Vue at Talatakely ; 21°15.99′ S, 47°25.21′ E; alt. 1020 m; 31 Mar.–7 Apr. 2002; MA-02-09C-23; CAS • 1 ♂; same collection data as for preceding; INHS • 1 ♂; Parc National Ranomafana, Belle Vue at Talatakely ; 21°15.99′ S, 47°25.21′ E; alt. 1020 m; 21–28 Jan. 2002; MA-02-09C-13; CAS • 1♂; Parc National Ranomafana, Belle Vue at Talatakely ; 21°15.99′ S, 47°25.21′ E; alt. 1020 m; 22–28 Nov. 2001; MA-02-09C-04; INHS .

Description

Length of male 6.7–7.0 mm; female 8.2 mm. Dorsum uniformly dark brown except for pale stramineous costal area of forewing, venter uniformly pale stramineous. Hind tibial rows PD, AD and AV with 19– 20, 12 and 15 macrosetae, respectively. Style apophysis with apex rounded. Connective with anterior margin evenly convex. Aedeagus with shaft slender, strongly curved dorsad, flattened, belt-like and slightly twisted through most of length, apex rounded in posterior view, gonopore preapical on posterior surface; small digitiform process arising near apex on left side and extended distad nearly to shaft apex.

Figures

Fig. 1. Platyjassini, dorsal and lateral habitus of males. A. Pachyjassus alatus sp. nov. B. Pachyjassus basifurcatus sp. nov. C. Pachyjassus ranomafanensis sp. nov. D. Pallijassus stenospatulatus (Evans, 1959). E. Petalojassus ochrescens sp. nov. F. Phaiojassus acutus sp. nov. G. Phaiojassus bispinosus sp. nov. H. Phaiojassus constrictus sp. nov. I. Phaiojassus grandis sp. nov. J. Phaiojassus spatulatus sp. nov.K. Phaiojassus undulatus sp. nov. L. Phaiojassus unispinosus sp. nov. M. Pictojassus kirindiensis sp. nov. N. Pictojassus productus sp. nov. O. Pictojassus tulearensis sp. nov. P. Platyjassella ancora sp. nov. Q. Platyjassella andohahelensis sp. nov. R. Platyjassella attenuata sp. nov. S. Platyjassella cormorana sp. nov. T. Platyjassella emarginata sp. nov. U. Platyjassella immaculata sp. nov. Scale bars = 1 mm.

Fig. 5 (next page). Phaiojassus gen. nov. – A–D. Phaiojassus acutus sp. nov. A. Genital capsule, lateral view. B. Genitalia, lateral view. C. Same, ventral view. D. Aedeagus, posterior view. – E–H. Phaiojassus bispinosus sp. nov. E. Genital capsule, lateral view. F. Genitalia, lateral view. G. Same, ventral view. H. Aedeagus, posterior view. – I–L. Phaiojassus constrictus sp. nov. I. Genital capsule, lateral view. J. Genitalia, lateral view. K. Same, ventral view. L. Aedeagus, posterior view. – M–P. Phaiojassus grandis sp. nov. M. Genital capsule, lateral view. N. Genitalia, lateral view. O. Same, ventral view. P. Aedeagus, posterior view. – Q–T. Phaiojassus spatulatus sp. nov. Q. Genital capsule, lateral view. R. Genitalia, lateral view. S. Same, ventral view. T. Aedeagus, posterior view. – U–X. Phaiojassus undulatus sp. nov. U. Genital capsule, lateral view. V. Genitalia, lateral view. W. Same, ventral view. X. Aedeagus, posterior view. – Y–BB. Phaiojassus unispinosus sp. nov. Y. Genital capsule, lateral view. Z. Genitalia, lateral view. AA. Same, ventral view. BB. Aedeagus, posterior view. Photos not to scale.