Xalitla limoni, Santos-Silva & Frederick W. Skillman, 2020

Santos-Silva, Antonio & Frederick W. Skillman, Jr., 2020, Description of a new species of Xalitla Lane, 1959 (Cerambycidae: Cerambycinae: Neoibidionini) from western Mexico, Insecta Mundi 2020 (765), pp. 1-9 : 5

Key to species of Xalitla

(female of X. punctatissima unknown; male of X. limoni new species unknown)

1. Antennomere III distinctly tumid; males............................................ 2

— Antennomere III filiform; females.................................................. 4

2(1). Elytra bicolorous ( Fig. 10, 11, 16 ); Mexico (Sonora, Jalisco, Nayarit, Guerrero)....................................................................... X. azteca Lane, 1959

— Elytra uniformly dark brown ( Fig. 12, 14 )........................................... 3

3(2). Antennae not reaching elytral apex; antennomere IV slightly longer than half of antennomere V; Mexico (Sinaloa, Sonora).......................... X. punctatissima Martins, 1970

— Antennae distinctly surpassing elytral apex; antennomere IV slightly shorter than V; Mexico (Oaxaca, Chiapas), Guatemala, Honduras, Costa Rica ( Fig. 12–15 ).......................................................................... X. genuina Martins, 1970

4(1). Elytra uniformly dark brown ( Fig. 19–23 )..................... X. genuina Martins, 1970

— Elytra bicolorous................................................................ 5

5(4). Eyes distinctly longer than gena ( Fig. 9 ).......................... X. azteca Lane, 1959

— Eyes slightly longer than gena ( Fig. 5 )............................................................................. X. limoni Santos-Silva and Skillman , new species

Figures

Figures 10–23.Xalitla species.10–11) Xalitla azteca, male.10) Dorsal habitus.11) Lateral habitus.12–13) Xalitla genuina, paratype male.12) Dorsal habitus.13) Lateral habitus. 14–15) Xalitla lezamai, holotype male.14) Dorsal habitus. 15) Lateral habitus. 16–18) Eyes, side view, male. 16) Xalitla azteca. 17) Xalitla genuina, paratype. 18) Xalitla lezamai, holotype. 19–23) Xalitla genuina, female. 19) Dorsal habitus. 20) Ventral habitus. 21) Lateral habitus. 22) Head, frontal view. 23) Head, side view.

Figures 1–9. Xalitla species. 1–5) Xalitla limoni, holotype female.1) Dorsal habitus.2) Ventral habitus.3) Lateral habitus. 4) Head, frontal view. 5) Head, lateral view. 6–9) Xalitla azteca, holotype female. 6) Dorsal habitus. 7) Ventral habitus. 8) Lateral habitus. 9) Head, lateral view.