identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
AD041A30B62F561AA434D3022736D241.text	AD041A30B62F561AA434D3022736D241.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Xestochironomus digitulus Fusari & Baranov 2026	<div><p>Xestochironomus digitulus Fusari &amp; Baranov sp. nov.</p><p>Type material.</p><p>Holotype: • 1 male, slide mounted. DOMINICAN REPUBLIC, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.50714&amp;materialsCitation.latitude=18.878529" title="Search Plazi for locations around (long -70.50714/lat 18.878529)">Blanco</a>, 18°52'42.7"N, 70°30'25.7"W, 30. xi. 2019, light trap, A. Höcherl, leg. (EBD I-016278) . Paratypes: • 1 male, slide mounted, same data as holotype (EBD I-016279) . • 1 male, slide mounted, same data as holotype (LEA) . • 1 male, slide mounted, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.508&amp;materialsCitation.latitude=18.883307" title="Search Plazi for locations around (long -70.508/lat 18.883307)">Blanco</a>, 18°52'59.9"N, 70°30'28.8"W, 01. xii. 2019, CDC light trap, A. Höcherl, leg. (LEA) . • 2 males, slide mounted, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.508&amp;materialsCitation.latitude=18.883307" title="Search Plazi for locations around (long -70.508/lat 18.883307)">Blanco</a>, 18°52'59.9"N, 70°30'28.8"W, 01. xii. 2019, CDC light trap, A. Höcherl, leg. (MNHN-EJM) . • 1 male, voucher, slide mounted, same data as holotype (MNHN-EJM), GenBank sequences: PV 761055 – PV 761056 . • 1 female, voucher, slide mounted, same data as holotype (EBD I-016280), GenBank sequences PV 761059 to PV 761060 .</p><p>Etymology.</p><p>The species name refers to the pinkie-shaped lobe of the gonostylus (from the Latin, digit - (finger) and - ulus (small, little).</p><p>Diagnosis.</p><p>The new species can be distinguished from congeners in having the abdominal tergites III – IV with dark, transverse bands; a long, slender anal point; and the apex of the gonostylus slightly forked, with shallow concavity between the forks and one pinkie-finger-like lobe.</p><p>Description.</p><p>Male (n = 7, except when stated otherwise). Total length 2.95–3.26, 3.13 mm (5). Wing length 1.50–1.80, 1.69 mm (6). Total length / wing length 1.71–1.98 (5). Wing length / profemur length 1.77–1.90 (3).</p><p>Coloration: head and palp pale brown (Fig. 1 A). Antenna pale brown. Thorax brownish (Fig. 1 B). Halters brown. Wings with faint brownish areas on brachiolum, arculus, and crossvein RM; membrane transparent, slightly brownish along wing margin, from apex of R 4 + 5 to apex of M 1 + 2, and on humerus between Cu and An (Fig. 1 C).</p><p>Abdominal segments coloration as follows (Fig. 1 D): TI yellowish with dark-brown lateral bands; TII yellowish with dark-brown lateral and posterior bands; TIII – IV yellowish with dark-brown posterior bands; TV – VI yellowish with dark-brown lateral and posterior bands; TVII brown in anterior 2 / 3 with dark-brown, rectangular anteriomedial spot and posterior 1 / 3 of segment yellowish; TVIII yellowish.</p><p>Legs (Fig. 1 E). Foreleg: femur yellowish with proximal and apical ¼ brown, tibia yellowish with 1 / 3 brown proximally, tarsomere 1 yellowish with brown ring proximally, tarsomere 2–4 brownish with proximal and apical ring pale, tarsomere 5 brownish with proximal ring pale. Mid- and hind legs: femur brownish, tibia yellowish with proximally ring brown and proximal 1 / 5 pale brown, all tarsi yellowish.</p><p>Head. AR 1.2–2.0 (4). Temporal setae 9–10 (2). Clypeus with 10–18 (3) setae. Tentorium 119–139 (2) μm long. Palpomere lengths (1–5 in μm; n = 4): 23–36; 48–56; 124–145; 119–155; 201–242.</p><p>Thorax (n = 5). Acrostichals 12–16, 15. Dorsocentrals 15–25, 21, partly biserial. Prealars 4–6, 5. Scutellum with 8–13, 11 setae.</p><p>Wing. VR = 1.16–1.23 (5). Brachiolum with 2 (3) setae. R with 27–34 setae; R 1 with 27–36 setae; R 4 + 5 with 42–49 setae; RM with 6 setae; M with 2–3 setae apically. Squama with 7 (2) setae.</p><p>Legs. Combs of midtibia 17–19 (3) μm and 26–31 (3) μm long spurs. Combs of hind tibia 21–24 (3) μm and 27–31 (3) μm long spurs. Width at apex of foretibia 46–50 (3) μm, of midtibia 41–51 (3) μm, of hind tibia 41–54 (3) μm. Lengths (in μm) and proportions of legs in Table 1.</p><p>Hypopygium (Figs 1 F, 2 A, B). Tergite IX with 14–16 strong median setae and 6–8 weaker setae along the posterior margin on each side of the anal point, and several fine setae on the ventral side. Anal tergite bands V-shaped, separated. Laterosternite with 2–4 setae. Anal point slender, 48–59 (4) μm long, 61–65 (2) μm long in lateral position (from the base). Phallapodeme 63–73 (3) μm long. Transverse sternapodeme curved, 24–30 (3) μm long. Gonocoxite 110–135, 118 (5) μm long. Superior volsella hooked, 54–85, 79 (6) μm long, with 1 strong lateral seta and 1 / 3 basal setae. Inferior volsella 64–101, 91 (5) μm long, with 7–10 dorsal setae, 75–81 (3) μm long apical seta. Gonostylus bifid, 135–149, 143 (5) μm long, one pinkie-like lobes with 10–20 (4) μm long apical seta. HR 0.74–0.92 (5). HV 1.98–2.31 (5).</p><p>Description of female</p><p>(n = 1). Total length 2.78 mm. Wing is bent, no observations possible. Coloration similar to male.</p><p>Head. Lengths of flagellomeres (μm): 80, 105, 104, 86, 104. Temporals setae 14. Clypeus with 15 setae.</p><p>Lengths of palpomeres (μm). 34, 48, 136, 142, 249.</p><p>Thorax. Acrostichals 12; dorsocentrals 29, partly biserial; prealar 6; scutellars 11.</p><p>Legs. Combs of midtibia 20 μm and 36 μm long spurs. Combs of hind tibia 19 μm and 42 μm long spurs. Width at apex of foretibia 56 μm, of midtibia 50 μm, of hind tibia 57 μm. Lengths (in μm) and proportions of legs in Table 2.</p><p>Genitalia</p><p>(Fig. 3). Tergite IX with 25 setae. Gonocoxite IX with 6 setae. Gonapophysis IX notum 236 μm long. Seminal capsules spherical, 49 μm wide. Gonocoxapodeme 225 μm long. Coxosternapodeme 134 μm long. Cercus 88 μm wide.</p><p>Immatures.</p><p>Unknown.</p><p>Distribution.</p><p>Known only from the Dominican Republic.</p></div>	https://treatment.plazi.org/id/AD041A30B62F561AA434D3022736D241	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.		Pensoft via Plazi	Fusari, Lívia Maria;Höcherl, Amelie;Chimeno, Caroline;Baranov, Viktor	Fusari, Lívia Maria, Höcherl, Amelie, Chimeno, Caroline, Baranov, Viktor (2026): A new species and record of Xestochironomus Sublette & Wirth, 1972 (Diptera, Chironomidae) from the Dominican Republic, with males and females associated by DNA barcode. ZooKeys 1266: 219-230, DOI: 10.3897/zookeys.1266.162131
6AA5CB72A1575BB8827AF22C7E811ED5.text	6AA5CB72A1575BB8827AF22C7E811ED5.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Xestochironomus luteifurcatus Sublette & Wirth 1972	<div><p>Xestochironomus luteifurcatus Sublette &amp; Wirth, 1972</p><p>Xestochironomus luteifurcatus Sublette &amp; Wirth, 1972: 14, fig. 15. 1</p><p>Examined material.</p><p>• 3 males (+ 2 voucher). Dominican Republic, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.50714&amp;materialsCitation.latitude=18.878529" title="Search Plazi for locations around (long -70.50714/lat 18.878529)">Blanco</a>, 18°52'42.7"N, 70°30'25.7"W, 30. xi. 2019, light trap, A. Höcherl, leg. (EBD) . • 2 males. Dominican Republic, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.50714&amp;materialsCitation.latitude=18.878529" title="Search Plazi for locations around (long -70.50714/lat 18.878529)">Blanco</a>, 18°52'42.7"N, 70°30'25.7"W, 30. xi. 2019, light trap, A. Höcherl, leg. (MNHN-EJM) . • 2 males, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.508&amp;materialsCitation.latitude=18.883307" title="Search Plazi for locations around (long -70.508/lat 18.883307)">Blanco</a>, 18°52'59.9"N, 70°30'28.8"W, 01. xii. 2019, Malaise trap. A. Höcherl, leg. (LEA) . • 1 female, voucher, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-70.50714&amp;materialsCitation.latitude=18.878529" title="Search Plazi for locations around (long -70.50714/lat 18.878529)">Blanco</a>, 18°52'42.7"N, 70°30'25.7"W, 30. xi. 2019, light trap, A. Höcherl, leg. (EBD). Genbank sequences PV 761057 – PV 761058, PV 761061 – PV 761064 .</p><p>Redescription.</p><p>Male (n = 9, except when stated otherwise). Total length 2.78–3.54, 3.07 mm. Wing length 1.48–1.79, 1.55 mm (8). Total length / wing length 1.97–2.15 (7). Wing length / profemur length 1.82–2.02 (6).</p><p>Coloration. Completely light yellow greenish and unmarked (Fig. 4 A – F). Wing hyaline.</p><p>Head (Fig. 4 A). AR 1.31–1.47 (7). Clypeus with 6–9 (3) setae. Tentorium 114–138 (6) μm long. Palpomere lengths (1–5 in μm; n = 5): 30–37, 34; 39–52, 45; 124–151, 138; 119–130, 125; 201–215, 210.</p><p>Thorax (Fig. 4 B). Acrostichals 10–13, 12 (7). Dorsocentrals 13–29, 16 (8), partly biserial. Prealars 4 (8). Scutellum with 7–10, 9 (8) setae.</p><p>Wing (Fig. 4 C, n = 3). Venarum ratio (VR) = 1.22–1.27. Brachiolum with 2–3 setae. R with 29–31 setae; R 1 with 20–28 setae; R 4 + 5 with 37–52 setae; RM with 2–3 setae; M with 4–8 setae apically. Squama with 5–8 setae.</p><p>Legs (Fig. 4 E). Combs of midtibia 19–21 (4) μm and 21–22 (4) μm long spurs. Combs of hind tibia 18–19 (4) μm and 17–24 (4) μm long spurs. Width at apex of foretibia 43–4 6 (4) μm, of midtibia 42–52 (4) μm, of hind tibia 48–52 (4) μm. Lengths (in μm) and proportions of legs in Table 3.</p><p>Hypopygium (Fig. 4 F). Tergite IX with 10–12 strong median setae and along the posterior margin several fine setae, on the ventral side. Anal tergite bands V-shaped, separated. Laterosternite with 2–3 setae. Anal point slender, 47–66, 53 (n = 5) μm long. Phallapodeme 50–76 (2) μm long. Transverse sternapodeme, 20–28 (3) μm long. Gonocoxite 75–113, 93 (7) μm long. Superior volsella hooked, 52–86, 75 (7) μm long. Inferior volsella 64–119, 102 (8) μm long. Gonostylus bifid, 117–141, 127 (7) μm long, apex of gonostylus markedly forked, with deep concavity between thumb-like lobes. Lateral lobe of gonostylus overreaching mesial lobe. HR 0.59–0.84 (7). HV 2.38–2.69 (7).</p><p>Redescription of female</p><p>(n = 1). Total length 2.43 mm. Wing bent, no observations possible. Coloration similar to male.</p><p>Head. Lengths of flagellomeres (μm): 52, 55, 82, 87, 111. Temporals setae 14. Clypeus with 19 setae. Tentorium = 132 μm.</p><p>Lengths of palpomeres (in μm). 29, 40, 223, 152, 236.</p><p>Thorax. Acrostichals 10; dorsocentrals 18, partly biserial; prealar 4; scutellars 13.</p><p>Wing. Squama with 7 setae.</p><p>Legs. Combs of midtibia 15 μm and 29 μm long spurs. Combs of hind tibia 16 μm and 30 μm long spurs. Width at apex of foretibia 59 μm, of midtibia 37 μm, of hind tibia 49 μm. Lengths (in μm) and proportions of legs in Table 4.</p><p>Genitalia.</p><p>In a lateral position. Gonocoxite IX with 7 setae. Gonapophysis IX notum 273 μm long. Seminal capsules spherical, width 63 μm. Gonocoxapodeme with 150 μm. Coxosternapodeme with 103 μm. Cercus width 96 μm.</p><p>Immatures.</p><p>Unknown.</p><p>Distribution.</p><p>Dominica, but expanded to the Dominican Republic.</p><p>Barcode of the Dominican Republic Xestochironomus</p><p>We have conducted BLAST in GenBank. We have also conducted “ Identification ” query with tree-based search in BOLD v. 4. Search queries were conducted for the sequences of the five specimens of two species of Dominican Republic Xestochironomus species. No close matches (&gt; 85 %) were found, with the closest coming from unidentified representatives of Chironomini from South and Central America. We think that the absence of the close matches is caused by the lack the Xestochironomus sequences in the databases (except one from Cranston et al. 2012, but that uses from different primers).</p><p>In the neighbor-joining tree (Fig. 5), we found that the male and female of X. digitulus sp. nov. grouped with 99.8 % bootstrap support, and that the male and female of X. luteifurcatus grouped at 99.2 % bootstrap support. Genetic distances among the analysed species are shown in Table 5.</p></div>	https://treatment.plazi.org/id/6AA5CB72A1575BB8827AF22C7E811ED5	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.		Pensoft via Plazi	Fusari, Lívia Maria;Höcherl, Amelie;Chimeno, Caroline;Baranov, Viktor	Fusari, Lívia Maria, Höcherl, Amelie, Chimeno, Caroline, Baranov, Viktor (2026): A new species and record of Xestochironomus Sublette & Wirth, 1972 (Diptera, Chironomidae) from the Dominican Republic, with males and females associated by DNA barcode. ZooKeys 1266: 219-230, DOI: 10.3897/zookeys.1266.162131
