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 Author Pollock, Darren A. text Zootaxa 2016 4093 3 301 322 journal article 10.11646/zootaxa.4093.3.1 85f537f5-faf4-4a89-839b-8f56feadb0e4 1175-5326 264106 565068DE-7042-483D-99FD-50BD2FA86BC1 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.