Ikelibeloha cristata, Zahniser & Nielson, 2012

Zahniser, J. N. & Nielson, M. W., 2012, An extraordinary new genus and three new species of Acostemmini (Hemiptera: Cicadellidae: Deltocephalinae) from Madagascar with comments on the morphology and classification of the tribe, Zootaxa 3209 (1), pp. 28-52 : 35-36

Ikelibeloha cristata sp. n.

( Figs. 1–13 )

Description. Length of male 7.2mm, female 7.5–8.2mm

General color deep reddish-brown and orange with bright yellow markings. Yellow pronotum mottled with dark reddish-brown. Mesoscutellum yellow anteriorly; reddish brown posteriorly; with ~6 small teeth posteriorly. Forewing reddish-orange; with series of ~4 bright yellow dots from clavus onto corium; with triangular yellow mark between apex of A1 and claval suture; with large oblique yellow mark near Rs extending to costa; with yellow dot mesad of oblique mark; base of central anteapical cell with bright yellow mark; with longitudinal yellow mark in inner anteapical cell (Figs. 1,2).

Female. Sternite VII about 1/2 as long as wide; more or less rounded apically.

Male. Pygofer with thickened ridge continuing from posterodorsal apex ventrally to apical lobe; pygofer side with tenuous, lightly sclerotized portion ventroapically, forming triangular hyaline area (Figs. 3,8). Style apophysis articulated to basal part, chelate, outer marginal surface dimpled ( Fig. 4 ). Aedeagus stout; gonopore apical, sloping to posteroventral surface; posteroventral surface with long V-shaped hyaline area from gonopore extending ventrally (Figs. 5,6).

Material examined. Holotype ♂ ( CAS): First label: MADAGASCAR: Province d’Antsiranana , Parc National Mantagne d’Ambre , 960m, 19 Mar–5 Apr 2001. Second label: 12°30’52”S 49°10’53”E, California Acad. of Sciences , R. Harin’Hala collector, malaise trap MA-01-01A-09. Third label: DNA voucher lh177, extracted by R. Rakitov, 11.viii.2007, gen.sp. (crested pronotum). 1 paratype ♀ ( INHS): First label: MADAGASCAR: Province d’Antsiranana, Parc National Montagne d’Ambre, elev 980m, 4–19 Mar 2001, 12°30’52”S 49°10’53”E. Second label: California Academy of Sciences, Coll: M. Irwin, R. Harin’Hala, malaise trap, MA-01-01A-08. 1 paratype ♀ ( INHS): First label: CASENT 3001943. Second label: MADAGASCAR: Province d’Antsiranana, Sakalava Beach, dwarf littoral forest 10 m, 15 Feb –6 Mar 2001. Third label: 12°15’46” S, 49°23’51” E, California Acad. of Sciences, R. Harin’Hala collector, malaise trap - across sandy trail, MA-01-04B-03. 1 paratype ♀ ( CAS): same as previous except first label: CASENT 3001942.

Etymology. The adjectival species name, cristata , refers to the crested pronotum.

Figures

FIGURES 1–9. Ikelibeloha cristata gen.n., sp.n. 1–2: female paratype; 3–9: male holotype. 1. dorsal habitus; 2. lateral habitus; 3. pygofer, laterally; 4. connective and style, ventrally; 5. aedeagus, caudally; 6. aedeagus, laterally; 7. face; 8. pygofer, dorsally; 9. valve and subgenital plates, ventrally.

FIGURES 10–13. Ikelibeloha cristata gen.n., sp.n. 10. pygofer and 1st valvulae; 11. detail of 1st valvula dorsal sculpturing; 12. second valvulae; 13. detail of second valvulae teeth.