identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
039E87ACFFB92D12E0DF794EFF4BFC63.text	039E87ACFFB92D12E0DF794EFF4BFC63.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Euconnus (Chenzhilinus) Yin & Zhou 2024	<div><p>Chenzhilinus Yin &amp; Zhou, subgen. nov. (of Euconnus)</p><p>Chinese common name: ŘNJṀẆŵm亚¶</p><p>(Figs 1–4)</p><p>Type species: Euconnus (Chenzhilinus) huapingensis sp. nov.</p><p>Diagnosis. Chenzhilinus differs from all other subgenera by two potentially apomorphic character states, e.g., submentum laterally demarcated by additional pair of hypostomal carinae, and aedeagus lacking parameres, plus following combination of characters variably present in Euconnus s. str. species: antennae with tetramerous antennal club composed of four distinctly enlarged antennomeres; bristles present on vertex, tempora, and gene of head, anterolateral, lateral, and lateroventral area of pronotum, and mesanepisternum of the thorax; pronotum broadest at middle, weakly convergent from broadest point posteriorly, with pair of large antebasal pits, lacking sublateral carinae; hypomeral ridges and notosternal sutures complete; mesoventral intercoxal process broad, keel-like, entirely greatly projecting ventrally; elytra each with two large basal pits, humeral calli projected, metathoracic wings fully developed.</p><p>Description. Male. General body shape (Fig. 1) elongate, body deeply constricted between head and pronotum; head, prothorax, and elytra weakly convex; appendages moderately long and slender, vestiture of setae normally developed, thick bristles present on vertex, tempora, and gene of head, and anterolateral, lateral, and lateroventral area of pronotum, anterolateral margins of mesothorax and on metaventrite. Pigmentation of cuticle reddish-brown.</p><p>Head capsule (Figs 2A, C, 3A) divided by occipital constriction into large anterior and small posterior part (‘neck region’), posterior part retracted into pronotum. ‘Neck’ region much narrower than vertex, short and subcylindrical; narrowest site of occipital constriction about as wide as half head width. Anterior part of head ‘anthiciform’, i.e., approximately pentagonal, broad and flattened, broadest at anteriorly located eyes. Dorsum of head (Fig. 2C) almost flat; tempora (Fig. 2A, C; tm) much longer than compound eyes (Fig. 2C; ce) and with bristles; vertex (Fig. 2A, C; vt) strongly transverse, anteriorly confluent with subtrapezoidal, transverse frons, which is steeply lowering anteriorly in front of weakly raised supraantennal tubercles; frons and vertex sparsely setose; genae (Figs 2C, 3A; gen) and postgenae together elongate, convex, covered with thick bristles. Clypeus (Fig. 2A–C; cl) confluent with frons (Fig. 2A–C; fr), lacking frontoclypeal groove. Ventral side of head (Figs 2C, 3A) flattened; gular plate (Figs 2E, 3A, B; gp) lacking sutures, anterior part adjacent to posterior tentorial pits with convergent margins; posterior tentorial pits (Fig. 3A; ptp) elongate, located anteriorly to transverse impression separating ‘neck’ region from anterior part of head.</p><p>Mouthparts (Figs 2B, 3A). Labrum (Fig. 2B, C; lb) transverse, with rounded and anteriorly roundly convergent sides and broadly rounded anterior margin with broad and shallow median emargination, dorsal surface with one transverse row of long setae and epipharynx with several elongate sensilla extending anteriorly beyond anterior labral margin and visible in dorsal view. Mandibles (Figs 2B, C, 3A) symmetrical, moderately large, broad only at base and curved, markedly slender, with pointed apical tooth, and small tooth (Figs 2B, 3A; mt) located at submedian region of mesal mandibular margin; prostheca elongate, composed of numerous dense trichia occupying narrow sub-basal mesal area. Maxilla (Fig. 3A) elongate, with transverse cardo; subtriangular and elongate basistipes; elongate and broad mediostipes; elongate galea and lacinia with long and dense trichia along distal and mesal margin; maxillary palpus (Figs 2B, C, 3A; mp, mp1–4) long and slender, palpomere 1 small but strongly elongate, 2 long and distinctly thickening distally, pipe-like, 3 longer than 2 and strongly broadening distally, broadest near middle, 4 small, subconical and slender, with elongate and pointed apical palpal cone. Labium with subtriangular submentum (Fig. 3A; smn) laterally demarcated by pair of posteriorly convergent hypostomal carinae (Fig. 3A; hc); mentum (Fig. 3A; mn) subtrapezoidal; prementum short, with distinctly demarcated, glabrous ligula; labial palps (Figs 2C, 3A) much shorter than mentum, palpomere 1 short, 2 strongly elongate and weakly broadening distally, 3 long and slender, narrowing distally. Posteriorly and laterally mouthparts demarcated by hypostomal ridges (Fig. 3A; hr) which are moderately curved and extending nearly up to posterior tentorial pits, but posteriorly not connected.</p><p>Antennae (Figs 1, 2D) moderately slender and moderately long, antennomeres 1–7 compact, four terminal antennomeres forming distinct club (Fig. 2D; a 8–11). All antennomeres covered with sparse long setae.</p><p>Prothorax (Figs 1, 2E, 3B) weakly convex, in dorsal view (Fig. 1A) bell-shaped, broadest near middle; lateral margins slightly convergent posteriorly from broadest point. Pronotum (Fig. 2A, E; pr) lacking sublateral carinae. Base of pronotum with only one pair of relatively large and deep lateral antebasal pits (Figs 2A, 3C; abp). Pronotal disc regularly setose, lateral portions above hypomeral ridges with thick and dense bristles (Fig. 2E). Prosternum (Fig. 3B) about half as long as pronotum, with basisternal part (Fig. 3B; bst) short and indistinctly demarcated from procoxal cavities; prosternal intercoxal process indistinct, developed as diffused median longitudinal elevation; procoxal sockets closed by posterolateral expansions of prosternum and posteromesal lobes of hypomera. Hypomera elongate, with strongly curved inner (adcoxal) margins, each divided by entire hypomeral ridge (Figs 2E, 3B; hyr) into small subtriangular inner (adcoxal) part (Fig. 3B; ihy) and large external part fused with sides of pronotum; notosternal sutures (Fig. 3B; nss) complete and arcuate.</p><p>Elytra (Fig. 1A, C) together suboval and relatively slender, dorsally flattened, with rounded apices; elytral base about as broad as pronotal base, with projecting humeral calli (Fig. 3C); each elytron with two distinct asetose basal elytral pits (Fig. 2A, 3C; bep). Metathoracic wings fully developed.</p><p>Mesoventrite (Fig. 3D) moderately short, much broader than long, with broad anterior ridge bearing subtriangular median projection connected with long, slender and keel-like mesoventral intercoxal process (Fig. 3D; msvp) greatly raised ventrally (Fig. 1C; msvp), process posteriorly fused with metaventrite, with broad intercoxal portion; mesoventrite posterior to anterior ridge with pair of broad, sparsely setose impressions functioning as procoxal rests (Fig. 3D; pcr) separated from mesocoxal cavities by slightly oblique ridge; mesocoxal sockets located laterally. Prepectus (Fig. 14; pre) massive, posterior part of mesanepisternum partly visible in ventral view, with dense lateral bristles (Fig. 3D).</p><p>Metaventrite (Fig. 3D) much longer than mesoventrite, subquadrate in shape, anteriorly fused with mesoventrite, lateral margins slightly rounded, lateral (admetacoxal) parts of posterior margin slightly curved, at middle posterior margin expanded posteriorly and forming relatively narrow and subtrapezoidal metaventral intercoxal process (Fig. 3D; mtvp); most part of ventrite distinctly punctate and covered with long setae, in anterior part with sparse and thick bristles at middle.</p><p>Legs moderately long and slender; mesotibia in male with preapical setose tuft (Fig. 2F); tarsomeres lacking ventrodistal lobes.</p><p>Abdomen (Fig. 1B) elongate, roundly triangular; abdominal sternites III–VIII gradually narrowing towards abdominal apex, sternite III longest, with shallow metacoxal cavities each demarcated posteriorly by curved coxal line; suture between sternite VII and VIII less distinct than between remaining sternites. Propygidium hidden under elytra, weakly sclerotized; pygidium exposed in intact specimens, strongly sclerotized, subtriangular with rounded apex, covered with setae. Sternite IX large, broad and transverse, with nearly straight anterior margin, lateral margins weakly and evenly divergent posteriorly; tergite IX reduced to lateral apodemes fused with posterolateral margins of sternite IX; tergite X subtrapezoidal, with almost straight posterior margin.</p><p>Aedeagus (Fig. 4) with symmetric median lobe, moderately stout; dorsal and ventral plate discriminated vaguely by archived suture; endophallus symmetric, with two sclerotized components at middle; parameres absent.</p><p>Female. Unknown.</p><p>Etymology. The new generic name is dedicated to Zhi-Lin Chen, who provided continuous support during our field activities in Guangxi.</p><p>Included species. This subgenus currently includes only one species (described below) distributed in Guangxi, southern China.</p></div>	https://treatment.plazi.org/id/039E87ACFFB92D12E0DF794EFF4BFC63	Public Domain	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.		MagnoliaPress via Plazi	Yin, Zi-Wei;Zhou, De-Yao	Yin, Zi-Wei, Zhou, De-Yao (2024): Chenzhilinus, a new subgenus of Euconnus Thomson (Coleoptera: Staphylinidae: Scydmaeninae) from southern China. Zootaxa 5541 (4): 582-592, DOI: 10.11646/zootaxa.5541.4.9, URL: https://doi.org/10.11646/zootaxa.5541.4.9
039E87ACFFBD2D10E0DF78ECFA5FFE6B.text	039E87ACFFBD2D10E0DF78ECFA5FFE6B.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Euconnus (Chenzhilinus) huapingensis Yin & Zhou 2024	<div><p>Euconnus (Chenzhilinus) huapingensis Yin &amp; Zhou, sp. nov.</p><p>Chinese common name: AE坪ṀẆŵm</p><p>(Figs 1–4)</p><p>Type material (2 exx.). HOLOTYPE: CHINA: ♂: ‘China: Guangxi, Guilin City, Lingui District, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.927925&amp;materialsCitation.latitude=25.562485" title="Search Plazi for locations around (long 109.927925/lat 25.562485)">Anjiangping</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.927925&amp;materialsCitation.latitude=25.562485" title="Search Plazi for locations around (long 109.927925/lat 25.562485)">Xiaoguangfuding</a>, 25°33’44.95”N, 109°55’40.55”E, 1792 m, 27.v.2023, Peng, Zhou &amp; Duan leg., 广®临桂Ṙ 江坪 小广DZữ彭中Ẅ ’ (SNUC) . PARATYPE: CHINA: 1 ♂, same collecting data as for holotype (SNUC) .</p><p>Diagnosis. As for the subgenus (vide supra), plus the following: Male. Body length approximately 2.0 mm; antennal club 0.51–0.53 mm long, formed by greatly broadened antennomeres 8–11, 8–10 subquadrate, gradually shorter, 11 roundly conical; elytral length/width 1.32–1.38; metacoxa with short, blunt projection on ventral margin; sternite III and IV each with pair of oval projections on posterolateral margins; stout aedeagus with two admesal macrosetae at apex of dorsal wall, endophallus composed of one subtrapezoidal, transverse, and one oval sclerite at middle. Female. Unknown.</p><p>Description. Male. Body (1A) moderately slender and dorso-ventrally weakly convex, length (combined length of head, pronotum and elytra) 1.97–1.98 mm; coloration uniformly reddish-brown, mouthparts and tarsi paler. Head (Fig. 1B) elongate sub-oval, broadest across eyes, length from anterior margin of clypeus to posterior margin of vertex 0.44–0.45 mm, width across eyes 0.39–0.41 mm; supraantennal tubercles barely raised; eyes small, weakly convex; tempora in dorsal view approximately 2.0× as long as eyes. Punctures on vertex and frons conspicuous, becoming slightly finer anteriorly; setae long and dense, suberect; temporal margins with much longer and denser bristles. Antenna moderately long, 1.02–1.04 mm long, club (Fig. 1D) formed by apical four enlarged antennomeres, occupying half-length of antenna, length 0.51–0.53 mm; antennomere 1 broad and slightly elongate, 2 slightly elongate, weakly broadening from base to apex, 3–7 compact, each distinctly transverse, of subequal width, antennomere 8 slightly wider and much longer than 7, subquadrate, 9 as wide as and much shorter than 8, 10 much shorter than 9, slightly transverse, 11 slightly longer than 10, subconical.</p><p>Pronotum (Fig. 1B) in dorsal view bell-shaped, broadest approximately at middle, length along midline 0.49– 0.51 mm, maximum width 0.49 mm; anterior margin slightly curved, sides slightly rounded, convergent from broadest point anteriorly and weakly narrowing toward base, posterior corners small and obtuse, posterior margin much broader than anterior margin, slightly convex at middle; pronotal base with two large, round pits, area between pits lacking carina, that posterior pits with fine wrinkles. Punctures of pronotal disc conspicuous and relatively sparse; setae similar to those of head, suberect, disc with sparse and margins with dense bristles.</p><p>Elytra together suboval and flattened dorsally, broadest at approximately basal 2/5, length along suture 1.04– 1.08 mm, maximum width 0.78–0.79 mm, length/width 1.32–1.38; basal impressions distinct, consisting of two pairs of large round pits; humeral calli greatly projecting; elytral apices separately rounded. Punctures on elytral disc similar to those of head and pronotum; setae moderately long and dense, suberect.</p><p>Legs moderately long and slender, unmodified except for metacoxae; preapical portion of mesotibia with tufts of golden setae; metacoxa with short, blunt tubercle (Fig. 3E; ct) on ventral margin.</p><p>Sternites 1 (III) and 2 (IV) each with one pair of disc-like tubercles on posterolateral margins (Fig. 3E; lst).</p><p>Aedeagus (Fig. 1F, G) rather stout, dorso-ventrally symmetric, length 0.22 mm, walls membranous; median lobe in dorsal view with apical plate broadly and abruptly narrowed at middle and protruding for short distance, apical margin emarginate at middle and with two admesal macrosetae, preapical region in lateral view slightly projecting; ventral plate indistinctly demarcated from dorsal plate by archived suture; parameres absent or completely fused with median lobe; endophallus composed of one short, transverse and another suboval sclerite at middle.</p><p>Female. Unknown.</p><p>Sexual dimorphism. The greatly enlarged antennal clubs, as well as modifications on metacoxae and sternite III and IV, are probable male sexual characters that are absent in female.</p><p>Distribution. Southwestern China: Guangxi.</p><p>Etymology. The species in named after its type locality, Huaping Nature Reserve.</p></div>	https://treatment.plazi.org/id/039E87ACFFBD2D10E0DF78ECFA5FFE6B	Public Domain	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.		MagnoliaPress via Plazi	Yin, Zi-Wei;Zhou, De-Yao	Yin, Zi-Wei, Zhou, De-Yao (2024): Chenzhilinus, a new subgenus of Euconnus Thomson (Coleoptera: Staphylinidae: Scydmaeninae) from southern China. Zootaxa 5541 (4): 582-592, DOI: 10.11646/zootaxa.5541.4.9, URL: https://doi.org/10.11646/zootaxa.5541.4.9
