Neotillomorpha Miroshnikov, 2020

Miroshnikov, A. I., 2020, Taxonomic notes on the tribes Tillomorphini Lacordaire, 1868 and Clytellini Miroshnikov, 2014, stat. n., with descriptions of new taxa and a third addition to review of the genus Clytellus Westwood, 1853 (Coleoptera: Cerambycidae: Cerambycinae), Russian Entomological Journal 29 (4), pp. 388-399 : 389-390

Genus Neotillomorpha Miroshnikov , gen.n.

Type species: Tillomorpha myrmicaria Fairmaire et Germain, 1859 .

DIAGNOSIS. This new genus differs very distinctly from genus Tillomorpha by the body shape, the structure of the head, antennae, palpi, pronotum, elytra, pro-, meso- and metasterna, metatarsi, and some other traits. Distinguishing features of Neotillomorpha gen.n. and Tillomorpha are presented in the Table 1.

DESCRIPTION. Body small, moderately robust, almost entirely glabrous dorsally.

Head wide, at eye level barely broader than or subequal to pronotum at level of lateral tubercles; frons strongly transverse, distinctly convex; eyes with a very deep emargination Table 1. Distinguishing features of the genera Neotillomorpha gen.n. and Tillomorpha . Таблица 1. Отличительные приЗнаки родов Neotillomorpha gen.n. и Tillomorpha . and very well-expressed ocelli, as in Fig. 10; genae relatively short; antennae slender, moderately long, as in Figs 4–5 ; antennal tubercles weakly developed.

Pronotum of a peculiar shape (see Diagnosis above), strongly shiny, as in Figs 4 , 8, 10; with a very small, irregular, very sparse puncturation and with individual, more or lees rough punctures, sometimes with gentle dense wrinkles; at base and near apex with a distinct scabrous sculpture.

Scutellum small, widely rounded apically.

Elytra moderately elongate, with very well-expressed humeri; distinctly narrowed towards middle starting from base, then very clearly widened in apical half, widest there, as in Figs 4 , 8; each elytron with an eburneous raised fascia, being distinctly curved and directed obliquely upward to suture, nearly reaching it, as in Figs 4 , 7–8.

Prosternum in profile very clearly curved, as in Fig. 10; procoxal cavities closed posteriorly, part of prosternum closing cavities posteriorly being very narrow; mesosternal process between mesocoxae clearly wider than prosternal process, but nevertheless quite narrow, as in Fig. 12 ; metepisterna not hidden by elytra; first (visible) abdominal sternite significantly shorter than all following (visible) sternites combined.

Legs long; femora strongly claviform; metatarsomere 1 very distinctly longer than all following metatarsomeres combined, as in Figs 4–5 , 8.

COMPOSITION. The new genus includes a single species.

DISTRIBUTION. Neotropical realm ( Chile).

Figures

Figs 1–5. Tillomorpha and Neotillomorpha (gen.n.) spp., habitus, dorsal and ventral views: 1–3 — T. lineoligera; 4–5 — N. myrmicaria comb.n. (1 — photograph by Alexander Konstantinov). Рис. 1–5. Tillomorpha и Neotillomorpha (gen.n.) spp., общий вид, сверху и сниЗу: 1–3 — T. lineoligera; 4–5 — N. myrmicaria comb.n. (1 — фотографиЯ А. Константинова).

Figs 11–14. Tillomorpha and Neotillomorpha (gen.n.) spp.: 11, 13 — T. lineoligera; 12, 14 — N. myrmicaria comb.n.; 11–12 — pro- and mesosterna; 13–14 — head, frontal view. Рис. 11–14. Tillomorpha и Neotillomorpha (gen.n.) spp.: 11, 13 — T. lineoligera; 12, 14 — N. myrmicaria comb.n.; 11–12 — про- и меЗостернум; 13–14 — голова, спереди.