Liocanthydrus Guignot

Main Authors: Baca, Stephen M., Gustafson, Grey T., Toledo, Mario, Miller, Kelly B.
Format: info publication-taxonomictreatment eJournal
Terbitan: , 2014
Subjects:
Online Access: https://zenodo.org/record/6131945
ctrlnum 6131945
fullrecord <?xml version="1.0"?> <dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><creator>Baca, Stephen M.</creator><creator>Gustafson, Grey T.</creator><creator>Toledo, Mario</creator><creator>Miller, Kelly B.</creator><date>2014-12-31</date><description>Key to the species of Liocanthydrus Guignot 1 Elytra immaculate, evenly colored (Figs 3, 4)................................................................ 2 - Elytra with maculation of yellow to reddish brown bands or spots (Figs 5&#x2013;9)...................................... 3 2 Robust in (L/GW = 2.00&#x2013; 2.11) (Fig. 4); distance between eyes greater than 2 / 3 &#xD7; greatest head width (HW/EW = 1.55&#x2013;1.63) (Figs 4, 11); aedeagus as in Figs 17 a&#x2013;e, with left lateral lobe short, approximately 2 / 3 &#xD7; length of median lobe (Fig. 17 d).............................................................................................. L. uniformis - Slender and oval in (L/GW= 2.07&#x2013;2.18) (Fig. 3); distance between eyes less than 2 / 3 &#xD7; greatest head width (EW/HW = 1.63&#x2013;1.73) (Figs 3, 10); aedeagus as in Figs 16 a&#x2013;e, with left lateral lobe long, slender, nearly as long as median lobe, and with setal fringe not extending to midlength (Fig. 16 d)................................................... L. angustus 3 Elytra with maculation consisting of yellow to reddish-brown bands extending from lateral margins nearly to elytral suture, not, or very weakly, obliquely projected, rarely reduced to spots (Figs 5, 6); robust, L/GW = 1.93&#x2013;2.07, PNWpost/PNWant = 1.64&#x2013;1.68........................................................................................... 4 - Elytral maculation usually reduced to spots, most often in basal half; spots or bands obliquely oriented, more so in distal half (Figs 7&#x2013;9); slender (Figs 7&#x2013;9), L/GW = 2.00&#x2013; 2.29, PNWpost/PNWant = 1.53&#x2013;1.62................................. 5 4 Aedeagus as in Figs 18 a&#x2013;e, with median lobe distally expanded and bluntly rounded at apex (Figs 18 a&#x2013;c); left lateral lobe with setal fringe restricted to distal half (Fig. 18 d); right lateral lobe triangular, with distal angle sharply rounded and not strongly projected (Fig. 18 e)............................................................................ L. bicolor - Aedeagus as in Figs 19 a&#x2013;e, with median lobe weakly expanded distally before attenuating to rounded apex (Figs 19 a&#x2013;c); left lateral lobe with setal fringe extending along inner dorsal margin to midlength (Fig. 19 d); right lateral lobe subtriangular, moderately emarginated along length of dorsal margin, distal angle projecting with apex rounded (Fig. 19 e)........ L. armulatus 5 Eyes large (HW/EW = 1.60&#x2013;1.67) (Fig. 7); elytral maculation with posterior bands or spots extending anterolaterally nearly to basal half of elytra (Fig. 7); aedeagus as in Figs 20 a&#x2013;e, with median lobe slender and not sinuate in dorsal aspect (Fig. 20 b), weakly expanded before gradually attenuating to elongate apex (Figs 20 a, c); left lateral lobe slender (Fig. 20 d); right lateral lobe triangular and distal angle not projecting (Fig. 20 e)................................................ L. clayae - Eyes small (HW/EW = 1.47&#x2013;1.55) (Figs 8, 9); posterior bands or spots extending anterodistally beyond middle of elytra onto basal half at lateral extreme............................................................................. 6 6 Aedeagus as in Figs 21 a&#x2013;e, with median lobe distally shortened and attenuate in lateral aspect (Figs 21 a, c); left lateral lobe broad (Fig. 21 d); right lateral lobe subtriangular with distal angle strongly projecting (Fig. 21 e)................ L. nanops - Aedeagus as in Figs 22 a&#x2013;e, with median lobe distally lengthened and subparallel in lateral aspect Figs 22 a, c); left lateral lobe less broad and distally attenuate (Fig. 22 d); right lateral lobe triangular with distal angle acute, not projecting (Fig. 22 e).............................................................................................. L. octoguttatus</description><description>Published as part of Baca, Stephen M., Gustafson, Grey T., Toledo, Mario &amp; Miller, Kelly B., 2014, Revision of the Neotropical burrowing water beetle genus Liocanthydrus Guignot (Coleoptera: Noteridae: Noterinae: Noterini) with the description of two new species, pp. 231-246 in Zootaxa 3793 (2) on pages 245-246, DOI: 10.11646/zootaxa.3793.2.3, http://zenodo.org/record/230581</description><identifier>https://zenodo.org/record/6131945</identifier><identifier>10.5281/zenodo.6131945</identifier><identifier>oai:zenodo.org:6131945</identifier><relation>info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03D9AD22FFBCFFFE75A8FA87FAFE9655</relation><relation>doi:10.11646/zootaxa.3793.2.3</relation><relation>url:http://zenodo.org/record/230581</relation><relation>url:http://publication.plazi.org/id/FFE0D55AFFB2FFF1753FFF9FFF65972F</relation><relation>doi:10.5281/zenodo.230583</relation><relation>doi:10.5281/zenodo.230584</relation><relation>doi:10.5281/zenodo.230585</relation><relation>url:http://zoobank.org/5E6DB00C-E98F-4D9D-958B-95B634E6D9E4</relation><relation>doi:10.5281/zenodo.6131944</relation><relation>url:https://zenodo.org/communities/biosyslit</relation><rights>info:eu-repo/semantics/openAccess</rights><rights>https://creativecommons.org/publicdomain/zero/1.0/legalcode</rights><source>Revision of the Neotropical burrowing water beetle genus Liocanthydrus Guignot (Coleoptera: Noteridae: Noterinae: Noterini) with the description of two new species, pp. 231-246 in Zootaxa 3793(2) 245-246</source><subject>Biodiversity</subject><subject>Taxonomy</subject><subject>Animalia</subject><subject>Arthropoda</subject><subject>Insecta</subject><subject>Coleoptera</subject><subject>Noteridae</subject><subject>Liocanthydrus</subject><title>Liocanthydrus Guignot</title><type>Other:info:eu-repo/semantics/other</type><type>Other:publication-taxonomictreatment</type><recordID>6131945</recordID></dc>
format Other:info:eu-repo/semantics/other
Other
Other:publication-taxonomictreatment
Journal:eJournal
Journal
author Baca, Stephen M.
Gustafson, Grey T.
Toledo, Mario
Miller, Kelly B.
title Liocanthydrus Guignot
publishDate 2014
topic Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Noteridae
Liocanthydrus
url https://zenodo.org/record/6131945
contents Key to the species of Liocanthydrus Guignot 1 Elytra immaculate, evenly colored (Figs 3, 4)................................................................ 2 - Elytra with maculation of yellow to reddish brown bands or spots (Figs 5–9)...................................... 3 2 Robust in (L/GW = 2.00– 2.11) (Fig. 4); distance between eyes greater than 2 / 3 × greatest head width (HW/EW = 1.55–1.63) (Figs 4, 11); aedeagus as in Figs 17 a–e, with left lateral lobe short, approximately 2 / 3 × length of median lobe (Fig. 17 d).............................................................................................. L. uniformis - Slender and oval in (L/GW= 2.07–2.18) (Fig. 3); distance between eyes less than 2 / 3 × greatest head width (EW/HW = 1.63–1.73) (Figs 3, 10); aedeagus as in Figs 16 a–e, with left lateral lobe long, slender, nearly as long as median lobe, and with setal fringe not extending to midlength (Fig. 16 d)................................................... L. angustus 3 Elytra with maculation consisting of yellow to reddish-brown bands extending from lateral margins nearly to elytral suture, not, or very weakly, obliquely projected, rarely reduced to spots (Figs 5, 6); robust, L/GW = 1.93–2.07, PNWpost/PNWant = 1.64–1.68........................................................................................... 4 - Elytral maculation usually reduced to spots, most often in basal half; spots or bands obliquely oriented, more so in distal half (Figs 7–9); slender (Figs 7–9), L/GW = 2.00– 2.29, PNWpost/PNWant = 1.53–1.62................................. 5 4 Aedeagus as in Figs 18 a–e, with median lobe distally expanded and bluntly rounded at apex (Figs 18 a–c); left lateral lobe with setal fringe restricted to distal half (Fig. 18 d); right lateral lobe triangular, with distal angle sharply rounded and not strongly projected (Fig. 18 e)............................................................................ L. bicolor - Aedeagus as in Figs 19 a–e, with median lobe weakly expanded distally before attenuating to rounded apex (Figs 19 a–c); left lateral lobe with setal fringe extending along inner dorsal margin to midlength (Fig. 19 d); right lateral lobe subtriangular, moderately emarginated along length of dorsal margin, distal angle projecting with apex rounded (Fig. 19 e)........ L. armulatus 5 Eyes large (HW/EW = 1.60–1.67) (Fig. 7); elytral maculation with posterior bands or spots extending anterolaterally nearly to basal half of elytra (Fig. 7); aedeagus as in Figs 20 a–e, with median lobe slender and not sinuate in dorsal aspect (Fig. 20 b), weakly expanded before gradually attenuating to elongate apex (Figs 20 a, c); left lateral lobe slender (Fig. 20 d); right lateral lobe triangular and distal angle not projecting (Fig. 20 e)................................................ L. clayae - Eyes small (HW/EW = 1.47–1.55) (Figs 8, 9); posterior bands or spots extending anterodistally beyond middle of elytra onto basal half at lateral extreme............................................................................. 6 6 Aedeagus as in Figs 21 a–e, with median lobe distally shortened and attenuate in lateral aspect (Figs 21 a, c); left lateral lobe broad (Fig. 21 d); right lateral lobe subtriangular with distal angle strongly projecting (Fig. 21 e)................ L. nanops - Aedeagus as in Figs 22 a–e, with median lobe distally lengthened and subparallel in lateral aspect Figs 22 a, c); left lateral lobe less broad and distally attenuate (Fig. 22 d); right lateral lobe triangular with distal angle acute, not projecting (Fig. 22 e).............................................................................................. L. octoguttatus
Published as part of Baca, Stephen M., Gustafson, Grey T., Toledo, Mario & Miller, Kelly B., 2014, Revision of the Neotropical burrowing water beetle genus Liocanthydrus Guignot (Coleoptera: Noteridae: Noterinae: Noterini) with the description of two new species, pp. 231-246 in Zootaxa 3793 (2) on pages 245-246, DOI: 10.11646/zootaxa.3793.2.3, http://zenodo.org/record/230581
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