Thisiomorphus
Creators: name: Pollock, Darren A.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Mycteridae
Thisiomorphus

description: Key to species of Thisiomorphus
1 Body distinctly and convexly ovate (Fig. 8), tricolored: forebody with green metallic reflection, elytra rufo-testaceous with metallic blue apices........................................................................ T. festivus n. sp.
- Body more elongate and/or parallel-sided; elytra uniform in color, or at least without transversely marked color difference…2
2 Pronotum distinctly lighter in color than elytra (Figs 1–2, 6, 9–11)............................................... 3
- Dorsum of more uniform dorsal color, without distinct contrast between pronotum and elytra......................... 8
3 Elytra with distinct green/blue metallic sheen............................................................... 4
- Elytra without metallic sheen............................................................................ 7
4 Head and scutellum dark piceous, same color as elytra; frontal grooves deeply impressed, subparallel (Fig. 6)................................................................................................... T. davidsoni n. sp.
- Head and scutellum rufous, much lighter in color than elytra (Figs 2, 9–10); frontal grooves less deeply impressed, and/or convergent anteriorly..................................................................................... 5
5 Pronotum distinctly wider than long (GPW / PL = 1.61–1.66)................................................... 6
- Pronotum slightly wider than long (GPW / PL = 1.27).......................................... T. inaequalis n. sp.
6 Maximum width of pronotum anterad midlength, sides divergent anteriorly; elytra subparallel-sided; head relatively wide, GPW/GHW = 1.16; size smaller, TL = 5.0 mm; known from Brazil ...................................... T. latus Pic
- Maximum width of pronotum at hind angles, sides convergent anteriorly; elytra distinctly ovate; head relatively narrow, GPW/ GHW = 1.35–1.43; size larger, TL = 6.7–7.9 mm; known from Bolivia ............................. T. bolivianus n. sp.
7 Head and elytra piceous; pronotum and legs reddish; elytra smooth, without indications of longitudinal carinae; dorsal vestiture of uniform color...................................................................... T. andrewsi n. sp.
- Head piceous posteriorly, anteriorly yellow; elytra piceous; pronotum yellow except for posterior margin piceous; legs yellow and piceous; elytra with indications of longitudinal carinae; dorsal vestiture lighter in color along elytral suture (Fig. 11)............................................................................................ T. osaensis n. sp.
8 Lateral margins of pronotum parallel-sided, posterolateral angles distinct (Fig. 12); pronotum relatively long (GPW/PL 1.18– 1.30), not distinctly wider than head (GPW/GHW 0.87–1.08); known from Costa Rica and Panama .......... T. solisi n. sp.
- Lateral margins of pronotum slightly arcuate, divergent anteriorly, or distinctly convergent anteriorly; pronotum relatively wider (GPW/PL 1.30–1.65)............................................................................. 9
9 Dorsum, especially elytra, with at least a trace of blue to purple metallic sheen.................................... 10
- Dorsum without blue to purple metallic lustre.............................................................. 11
10 Pronotum very wide (GPW/PL 1.65), lateral margins relatively straight, distinctly convergent anteriorly (Fig. 5); GPW/GHW 1.27; known from Brazil ................................................................. T. convergens n. sp.
- Pronotum narrower (GPW/PL 1.30–1.43), lateral margins evenly arcuate, greatest width near midlength (Fig. 4); GPW/GHW 1.08–1.15; known from Costa Rica and Panama ............................................... T. caeruleus n. sp.
11 Lateral margins of pronotum arcuate, greatest width at about midlength; pronotal disc with pair of distinct, slightly oblique depressions; antennae relatively long, antennomeres distinctly filiform; known from Brazil ............ T. brasiliensis n. sp.
- Lateral margins of pronotum relatively straight, slightly convergent anteriorly, greatest width posterior of midlength; pronotal disc without distinct, paired depressions; antennae short, antennomeres almost submoniliform; known from Ecuador ............................................................................................. T. curticornis n. sp.
description: 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 305, DOI: 10.11646/zootaxa.4093.3.1, http://zenodo.org/record/264106