Perelleschus
Creators: name: Franz, Nico M.
name: Cardona-Duque, Juliana
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Curculionidae
Perelleschus

description: Revised key to the species of <i>Perelleschus</i> sec. Franz &amp; Cardona-Duque (2013) (Modified from Franz &amp; O’Brien, 2001) <b>1.</b> Striae I–III of elytron dark reddish-brown, striae IV–X of elytron light reddish-brown; male with basal 1/2 of scape dark brown, apical 1/2 of scape light brown, internal sclerite of median lobe fused, basal, and weakly sclerotized, aedeagal apodemes similar throughout (fig. 5a in Franz &amp; O’Brien, 2001).. <i>.........................</i>. <i>P. rectirostris</i> sec. Franz &amp; Cardona-Duque (2013) <b>1.</b> ' Striae I–X of elytron of similar color throughout; male lacking previous character combination, with aedeagal apodemes distinctly broadened in basal 1/3.. <i>....................................................</i>. <b>2</b> <b>2(1'</b> <b>).</b> Male with internal sclerites of endophallus primarily extending along basal 1/2; female with spermathecal cornu acute (figs 6c &amp; 7c in Franz &amp; O’Brien, 2001).. <i>.................................................</i>. <b>3</b> <b>2</b> '. Male with internal sclerites of endophallus primarily extending along apical 1/2; female with spermathecal cornu slightly to distinctly rounded (figs 8c–12c in Franz &amp; O’Brien, 2001).. <i>.................................................</i>. <b>4</b> <b>3(2).</b> Length 1.9–2.5 mm; male with internal sclerites of median lobe extending along basal 1/2 (figs 6a &amp; 6b in Franz &amp; O’Brien, 2001); Colombia and Panama... <i>P. evelynae</i> sec. Franz &amp; Cardona-Duque (2013) <b>3</b> '. Length 2.4–3.0 mm; male with internal sclerites of median lobe extending along basal 2/3 (figs 7a &amp; 7b in Franz &amp; O’Brien, 2001); Colombia and Ecuador... <i>P. variabilis</i> sec. Franz &amp; Cardona-Duque (2013) <b>4(2'</b> <b>).</b> Male with tegminal apodeme subrectate, apical sclerite in median lobe fused (figs 8a,b &amp; 9a,b in Franz &amp; O’Brien, 2001).. <i>........................................</i> <b>5</b> <b>4</b> '. Male with tegminal apodeme deflexed, apical sclerites in median lobe paired or irregularly arranged (figs 10a,b, 11a,b 12a,b in Franz &amp; O’Brien, 2001).. <i>................</i>. <b>6</b> <b>5(4).</b> Vestiture short; male with ventrite III dark reddishbrown, ventrites IV–VII light reddish-brown, internal sclerite of median lobe heavily sclerotized (figs 8a,b in Franz &amp; O’Brien, 2001).. <i>......................... <i>P. biventralis</i> sec. Franz &amp; Cardona-Duque (2013)</i> <b>5</b> '. Vestiture glabrate, appearance distinctly shiny; male with venter of similar colour throughout, internal sclerite of median lobe weakly sclerotized (figs. 9a,b in Franz &amp; O’Brien, 2001).. <i>......................... <i>P. splendidus</i> sec. Franz &amp; Cardona-Duque (2013)</i> <b>6(4'</b> <b>).</b> Male with basal 1/2 of scape dark brown; associated with <i>Carludovica palmata</i> [nonfocal].. <i>.................................................</i>.. <b>7</b> <b>6</b> '. Male with basal 1/2 of scape light brown, procoxa lacking dense apical vestiture; associated with <i>C. rotundifolia</i> [non-focal] and <i>C. sulcata</i> [nonfocal].. <i>..................................................</i> <b>9 7(6).</b> Procoxa with dense apical vestiture; female with apical margin of the sternum VIII lamina mesally slightly emarginate.. <i>...............................</i>. <i>P. pubicoxae</i> sec. Franz &amp; Cardona-Duque (2013) <b>7</b> '. Procoxa without dense apical vestiture, at most with some short and sparse hairs; female with apical margin of the sternum VIII lamina triangularly converging, mesally truncate (Figs 21 &amp; 33).. <i>..........</i>.... <i>...................</i> <b>8</b> <b>8(7'</b> <b>).</b> Labial prementum slightly elongate; spiculum relictum bilobed; apodeme of male sternum IX slightly narrowed near apex, basal fork distally rounded (Fig. 18); apical margin of the aedeagus evenly rounded; endophallus with weak papillate sclerites at apical 1/3; female with spermathecal cornu inclined clockwise or counter-clockwise, not one plane (Figs 23 &amp; 24).. <i>.......</i>... <i>............. <b>P. salpinflexus sp. nov.</b></i> sec. Franz &amp; Cardona-Duque (2013) <b>8</b> '. Labial prementum subquadrate; spiculum relictum forked and pointed; apodeme of male sternum IX similar throughout, basal fork distally acute (Fig. 30); apical margin of the aedeagus slightly projected; endophallus with spine-like sclerites along apical 1/2; female with spermathecal cornu not inclined, one plane (Fig. 34)... <b> <i>Perelleschus spinothylax</i> sp. nov.</b> sec. Franz &amp; Cardona-Duque (2013) <b>9(6'</b> <b>).</b> Length 2.6–3.4 mm; male with internal sclerites of median lobe heavily sclerotized; female with short, membranous projection at cornu of spermatheca (fig. 11c in Franz &amp; O’Brien, 2001).. <i>............................ <i>P. carludovicae</i> sec. Franz &amp; Cardona-Duque (2013)</i> <b>9</b> '. Length 1.9–2.5 mm; male with internal sclerites of median lobe weakly sclerotized; female with long, membranous projection at cornu of spermatheca (fig. 12c in Franz &amp; O’Brien, 2001).. <i>............................</i>. <i>P. sulcatae</i> sec. Franz &amp; Cardona-Duque (2013)
description: Published as part of <i>Nico M. Franz &amp; Juliana Cardona-Duque, 2013, Description of two new species and phylogenetic reassessment of Perelleschus O'Brien &amp; Wibmer, 1986 (Coleoptera: Curculionidae), with a complete taxonomic concept history of Perelleschus sec. Franz &amp; Cardona-Duque, 2013, pp. 209-236 in Systematics and Biodiversity 11 (2)</i> on page 224, DOI: 10.1080/14772000.2013.806371, http://zenodo.org/record/270261
description: {"references": ["FRANZ, N. M. 2013. Anatomy of a cladistic analysis. Cladistics 29 (in press)."]}