Broscodera gaoligongensis, Kavanaugh & Liang, 2021
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publication ID |
https://doi.org/ 10.5281/zenodo.11067355 |
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DOI |
https://doi.org/10.5281/zenodo.12576227 |
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persistent identifier |
https://treatment.plazi.org/id/03AF0B0C-FFDA-FFB2-FF58-FD4DA597FB18 |
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Felipe |
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scientific name |
Broscodera gaoligongensis |
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Key for identification of adults of broscine species of the Gaoligong Shan Region
1 Size large, BL of male or female greater than 15.0 mm............................ 2
1’ Size moderate, BL of male or female less than 13.0 mm........................... 3
2(1) Head ( Fig. 5a View FIGURE ) with very deep, sharply defined and impunctate cleft on vertex between tempora; male with protarsomeres 1 and 2 and mesotarsomeres 1 and 2 with ventral pads of adhesive setae … Genus Eobroscus Kryzhanovskij. ............ Eobroscus bhutanensis Morvan
2’ Head ( Fig. 5b View FIGURE ) with shallower, broader, and distinctly punctate transverse sulcus between tempora; male protarsomeres 1 to 3 with ventral pads of adhesive setae, all male mesotarsomeres lacking ventral pads of adhesive setae … Genus Broscus Panzer. Broscus punctatus (Dejean)
3(1’) Pronotum ( Figs. 5 View FIGURE c-d) with basolateral setae present; antennomere 3 with sparse pubescence in apical one-third to one half, antennomere 4 pubescent; male protarsomeres and mesotarsomeres 1 and 2 with small ventral pads of adhesive setae … Genus Broscodera Lindroth subgenus Sinobrosculus Deuve. .................................................. 4
3’ Pronotum ( Figs. 6 View FIGURE , 7 View FIGURE ) with basolateral setae absent; antennomeres 3 and 4 glabrous except for apical whorl of setae; male protarsomeres 1 to 3 with larger ventral pads of adhesive setae, mesotarsomeres 1 and 2 with larger ventral pads … Genus Broscosoma Rosenhauer. ..... 5
4 (3) Size larger, BL = 10.0 mm or more; body color piceous or dark brown; head ( Fig. 5d View FIGURE ) with eyes more convex and slightly larger, their diameter equal to length of tempora, vertex with post-temporal transverse sulcus densely, coarsely and, more widely punctate; hindwings full-sized, functional for flight; hind trochanter asetose ( Fig. 8a View FIGURE ); male genitalia as in Fig. 14 View FIGURE ....................................................... Broscodera gaoligongensis sp. nov.
4’ Size smaller, BL = 9.5 mm or less; body color reddish brown; head ( Fig. 5c View FIGURE ) with eyes flatter and smaller, their diameter less than length of tempora, vertex with post-temporal transverse sulcus narrowly punctate only along bottom of sulcus; hindwings slightly reduced, non-functional for flight; hind trochanter unisetose ( Fig. 8b View FIGURE ); male genitalia as in Fig. 12 View FIGURE .................................................................... Broscodera chukuai sp. nov.
5 Elytral silhouette subparallel to subovoid, with humeri (shoulders) more ( Figs. 24a View FIGURE , 28a View FIGURE , 32a View FIGURE ) or less ( Figs. 17a View FIGURE , 26a View FIGURE , 30a View FIGURE ) distinct............................................. 6
5’ Elytral silhouette ovoid, with humeri indistinct ( Figs. 15a View FIGURE , 18a View FIGURE , 20a View FIGURE , 22a View FIGURE , 34a View FIGURE )......... 11
6 (5’) Pronotum with lateral margination (lateral bead) complete ( Fig. 9a View FIGURE ) between apical and basal margins; dorsal surface with distinct blue or blue-green luster, legs pale rufous; elytral microsculpture distinct, comprised of isodiametric to slightly longitudinally stretched sculpticells, elytral striae distinctly punctate; male genitalia as in Fig. 25 View FIGURE .................................................................. Broscosoma holomarginatum sp. nov.
6’ Pronotum with lateral margination absent or incomplete ( Figs. 9 View FIGURE b-d)................. 7
7 (6’) Pronotum with lateral margination complete anterior to midlateral seta, interrupted briefly in basal half ( Fig. 9b View FIGURE ); elytral humeri as in Fig. 30 View FIGURE ; dorsal surface of head and pronotum vivid metallic green, elytra darker blue-green, legs pale rufous; vertex with post-temporal transverse sulcus relatively shallow and broadly and densely punctate ( Fig. 6d View FIGURE ); elytral microsculpture effaced; metatrochanter asetose ( Fig. 8c View FIGURE ); male genitalia as in Fig. 29 View FIGURE ...................................................................... Broscosoma resbecqi sp. nov.
7’ Pronotum with lateral margination absent, present only posterior to sub-basal constriction, or also present in area of midlateral seta (in a few specimens of B. ribbei extended almost to anterior margin ( Fig. 9c View FIGURE ), but these specimens have the metatrochanter unisetose)........... 8
8(7’) Elytral microsculpture distinct, comprised of moderately impressed isodiametric sculpticells; metatrochanters unisetose ( Fig. 9d View FIGURE ) (except asetose unilaterally in some specimens); elytral silhouette as in Fig. 32a View FIGURE ; size larger, BL = 8.9 mm or more; pronotum globose anterior to sub-basal constriction as in Fig. 6b View FIGURE , in most specimens with lateral margination present in region of midlateral seta ( Fig. 9c View FIGURE ) and also basal to sub-basal constriction and/or extended further anterior to midlateral seta in some specimens (absent entirely from a few specimens); vertex with post-temporal transverse sulcus relatively shallow and narrowly and sparsely punctate ( Fig. 6b View FIGURE ); entire dorsum of body bright metallic golden-green, green ( Fig. 32a View FIGURE ), or blue-green; male genitalia as in Fig. 33 View FIGURE ............................................. Broscosoma ribbei Putzeys
8’ Elytral microsculpture faintly impressed or effaced; metatrochanters asetose ( Fig. 8c View FIGURE ) (although a few specimens of B. purpureum have one or both metatrochanters unisetose); size generally smaller, BL = 8.5 mm or less (except BL of B. danzhuense holotype = 9.3 mm); pronotum of different shape ( Figs. 6c,e,f View FIGURE ), with lateral margination absent or present only at or posterior to sub-basal constriction ( Fig. 9d View FIGURE ); dorsum of body bright metallic blue, blue-green, or darker and duller green................................................................ 9
9 (8’) Dorsum of body bright metallic blue or bluish-purple, head with greenish hue in some specimens, legs (including femora) pale rufous; elytral humeri distinct ( Fig. 28a View FIGURE ), angulate, elytral striae coarsely punctate, elytral microsculpture effaced; shape of pronotum as in Fig. 6c View FIGURE ; male genitalia as in Fig. 29 View FIGURE .............................. Broscosoma purpureum sp. nov.
9’ Dorsum of body green or blue-green, legs with femora darker, reddish-brown to piceus; elytral humeri ( Figs. 17a View FIGURE , 26a View FIGURE ) less distinct, more rounded, elytral striae more finely punctate, elytral microsculpture faint but evident; shape of pronotum as in Figs. 6e,f View FIGURE ............... 10 View FIGURE
10 (9’) Body larger, BL = 9.3 mm; elytral silhouette ( Fig. 17a View FIGURE ) with greatest width distinctly posterior to midlength; eyes ( Fig. 6e View FIGURE ) moderately convex; elytra with only stria 1 impressed, all other striae represented only be punctures diminishing in size and depth laterally and posteriorly, elytral intervals flat; entire dorsum of body dark green; male unknown................................................................ Broscosoma danzhuense sp. nov.
10’ Body smaller, BL 8.5 mm or less; elytral silhouette ( Fig. 26a View FIGURE ) with greatest width at or near midlength; eyes ( Fig. 6f View FIGURE ) less convex, slightly flattened in some specimens; elytra with two or more striae impressed, all striae punctate with punctures diminishing in size and depth laterally and posteriorly, at least medial two or more elytral intervals very slightly to moderately convex; dorsum with head green, elytra blue-green and pronotum either green or blue-green; male genitalia as in Fig. 27 View FIGURE .................................... Broscosoma parvum sp. nov.
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11 (5’) Metatrochanter unisetose ( Fig. 8d View FIGURE )........................................ 12
11’ Metatrochanter asetose ( Fig. 8c View FIGURE ) (except unilaterally unisetose in very few specimens of B. bicoloratum )............................................................ 13
12 (11’) Dorsum of body piceous, without any trace of metallic reflection ( Fig. 18a View FIGURE ); antennomeres 3 and 4 distinctly darker than antennomeres 1 and 2; pronotum anterior to sub-basal constriction ( Fig. 7a View FIGURE ) longitudinally slightly ovoid in dorsal view; genal ridge evident, extended from base of head to ventral margin of eye ( Fig. 10a View FIGURE ); male genitalia as in Fig. 19 View FIGURE , with median lobe longer and more slender and with apical lamella distinctly expanded ventrally in lateral view.......................................................... Broscosoma furvum sp. nov.
12’ Dorsum of head and pronotum black or dark piceous, elytra with bright metallic green or blue-green reflection ( Fig. 20a View FIGURE ); antennomeres 1 through 4 concolorous, pale rufous; pronotum anterior to sub-basal constriction ( Fig. 7d View FIGURE ) globose in dorsal view; genal ridge evident basal to post-temporal constriction but extended only to or slightly anterior to the constriction ( Fig. 10b View FIGURE ); male genitalia as in Fig. 21 View FIGURE , with median lobe slightly shorter and thicker and apical lamella more symmetrically rounded in lateral view... Broscosoma gaoligongense Deuve and Wrase
13 (11’) Head and pronotum black to piceous but with distinct metallic green band across anterior part of pronotum ( Fig. 7b View FIGURE ) anterior to anterior transverse impression; head with tempora slightly inflated, sharply convex or vaguely angulate; pronotum anterior to sub-basal constriction slightly to moderately longitudinally ovoid in dorsal view; elytral microsculpture distinct, comprised of moderately impressed isodiametric sculpticells; male genitalia as in Fig. 35 View FIGURE , with median lobe slightly longer and apical lamella broader in lateral view................................................................... Broscosoma viridicollare sp. nov.
13’ Head and pronotum black to piceous, without metallic reflection (except a few specimens of B. bicoloratum have faint a metallic green band across anterior part of pronotum); head with tempora only slightly ( Fig. 7e View FIGURE ) or distinctly ( Fig. 7c View FIGURE ) convex; pronotum either globose or slightly longitudinally ovoid in dorsal view; elytral microsculpture indistinct, effaced or only extremely faintly evident in some areas............................................... 14
14 (13’) Pronotum globose anterior to sub-basal constriction as in Fig. 7c View FIGURE ; head with tempora distinctly convex behind eyes; male genitalia as in Fig. 16 View FIGURE ... Broscosoma bicoloratum sp. nov.
14’ Pronotum anterior to sub-basal constriction slightly longitudinally ovoid in dorsal view ( Fig. View FIGURE 7e); head with tempora straight or only slightly convex behind eyes; male genitalia as in Fig. 23 View FIGURE .............................................. Broscosoma gongshanense sp. nov.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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