Thisiomorphus curticornis Pollock, 2016, new species
| Main Author: | Pollock, Darren A. |
|---|---|
| Format: | info publication-taxonomictreatment Journal |
| Terbitan: |
, 2016
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6063842 |
Daftar Isi:
- Thisiomorphus curticornis, new species (Figs 7, 16, 35) Holotype, male, labeled: “ Ecuador: Sucumbios 9km.E.Lumbaqui [0.033559, - 77.243048] 650m. 7 / 8 -VIII- 98 W. Opitz // [large red label] HOLOTYPE ♂ Thisiomorphus curticornis Pollock ”, in FSCA. Derivation of specific epithet. From a combination of the Latin “ curtus ” (short) and “ cornu ” (horn), in reference to the distinctly short antennae of the holotype. Diagnosis. The single specimen of this new species possesses very short antennae, not extending past half length of pronotum; this is unique in the genus. Description. Measurements (mm, N = 1): HL = 0.88; PL = 0.88; EL = 3.16; GHW = 1.16; GPW = 1.24; GEW = 1.92; TL = 4.92. Ratios: EL/GEW = 1.65; GPW/PL = 1.41; TL/GEW = 2.56; GPW/GHW = 1.07. With characters of Thisiomorphus, and the following: Body narrowly oval (TL / GEW 2.56), lateral elytral margins slightly arcuate. Color. Antennae rufotestaceous; maxillary palpi uniformly rufous; head, pronotum and scutellum concolorous, dark brown; elytra dark brown, slightly lighter in color than forebody; femora and tibiae brown, femora slightly lighter distally; tarsi dark rufous; venter uniformly brown. Antennae very short; antennomeres 3–7 subfiliform; antennomeres 8–10 short, nearly moniliform, only slightly widened distally. Pronotum moderately wider than long (GPW / PL 1.41), subequal in width to head (GPW / GHW 1.07); lateral margins subparallel basally, arcuate in anterior half, maximum width near midlength; dorsal surface evenly convex, without depressions. Male genitalia. Parameres distinctly shorter than lateral margin of basale, inner margins very slightly sinuate basally; basale with anterior margin slightly curved, lateral margins straight for their entire lengths. Distribution. The only known specimen is from northeastern ECUADOR (Sucumbíos).
- Published as part of Pollock, Darren A., 2016, Revision of Thisiomorphus Pic (Coleoptera: Mycteridae: Eurypinae) with descriptions of eleven new species from Central and South America and a key to genera of Neotropical Eurypinae, pp. 301-322 in Zootaxa 4093 (3) on page 315, DOI: 10.11646/zootaxa.4093.3.1, http://zenodo.org/record/264106