Nanotermitodius andersoni Skelley, Smith, & Mora-Aguilar 2022, new species

Nanotermitodius andersoni Skelley, Smith, & Mora-Aguilar, new species Figures 1–3, 7–9, 11–16 Type material (total 243). Holotype male and allotype female (CMNC) label data: “ MEXICO: Oaxaca / Plan de Guadalupe, 2548m / 18.13214 -96.96790 / 10 Jun 2016, / R.S. Anderson 2016-123 / cloud forest litter”. Holotype with identification label: “[red paper] HOLOTYPE ♂ / Nanotermitodius / andersoni Skelley, / Smith & MoraAguilar”. Allotype with identification label: “[blue paper] ALLOTYPE ♀ / Nanotermitodius / andersoni Skelley, / Smith & Mora-Aguilar”. Additional paratypes (244) with yellow identification labels lacking sex symbols, label data: MEXICO: Oaxaca: Agua de Hueso, 1915m, 18.14653, -96.79340, 15-VI-2016, R.S. Anderson, 2016-153, scrubby cloud forest litter (3♂♂ CMNC); Agua de Tierra, 1886m, 18.14458, -96.79798, 15-VI-2016, R.S. Anderson, 2016- 154, liquidambar forest litter (23♂♂, 10♀♀ CMNC; 2♂♂, 2♀♀ FSCA); 3 km NW Ayautla, 1460m, 18.05369, -96.69192 ± 20m, 14-VI-2016, Longino et al. cols, secondary wet forest, ex sifted leaf litter (1♀ CEMT; 3♂♂, 2♀♀ EMAC); Same locality, 1320m, 18.05175, -96.69096 ± 20m, 14-VI-2016, Longino et al cols., secondary wet forest, ex sifted leaf litter (1♀ EMAC); above Café Carlota, 1459m, 18.05367, -96.69183, 14-VI-2016, R.S. Anderson, 2016-149, mixed hardwood forest litter (1♂, 1♀ CMNC); Same locality, 1508m, 18.05419, -96.69207, 14-VI-2016, R.S. Anderson, 2016-150, mixed hardwood forest litter (2♂♂ CMNC); Same locality, 1604m, 18.05532, -96.69239, 14-VI-2016, R.S. Anderson, 2016-151, mixed hardwood forest litter (1♀ CMNC); 5 km ENE Huautla, 1890m, 18.14453, -96.79799, 15-VI-2016, Project ADMAC, Wm-F-04-2-02, ex sifted liquidambar litter (24♂♂, 7♀♀: CMNC; 2♂♂ 2♀♀ FSCA); Plan de Guadalupe, 2548m, 18.13214, -96.96790, 10-VI-2016, R.S. Anderson, 2016- 123, cloud forest litter (HT ♂, AT ♀, 1 disarticulated ♂, 1♂, 3♀♀ CMNC; 2♂♂, 2♀♀ FSCA; 1♂, 1♀ IEXA); Same locality, 2502m, 18.13369, -96.96642, 10-VI-2016, R.S. Anderson, 2016-124, oak forest litter (2♂♂, 2♀♀ CMNC); Same locality, 2442m, 18.13551, -96.96453, 10-VI-2016, M Barrios-Izás, MBI-666, hojarasca, bosque nuboso (5♂♂, 4♀♀ CMNC; 1♂, 1♀ CNIN; 1♂, 1♀ CZUG; 2♂♂, 2♀♀ NHML; 3♂♂, 3♀♀ UNSM) [1♂ with additional orange paper label: “DNA VOUCHER / P585 2018 / MJ Paulsen-UNSM”]; Same locality, 2494m, 18.13401, - 96.96612, 10-VI-2016, M Barrios-Izás, MBI-667, hojarasca, bosque nuboso (3♂♂, 2♀♀ CMNC; 2♂♂, 2♀♀ FSCA); Same locality, 2468m, 18.13559, -96.96377, 10-VI-2016, M Barrios-Izás, MBI-668, hojarasca, bosque encino (5♂♂, 4♀♀: CMNC; 1♂, 1♀ CASC; 1♂, 1♀ MCZC); Same locality, 2392m, 18.13672, -96.96228, 10- VI-2016, M Barrios-Izás, MBI-669, hojarasca, bosque nuboso (2♂♂, 2♀♀ CMNC); Same locality, Hwy 182, Km 38-39, 2516m, 18.13688, -96.96202 ± 20m, 9-VI-2016, L. R. Benavides, #LRB-MX021, oak forest, ex sifted leaf litter (1♂, 1♀ CMNC); Puerto de la Soledad, Hwy 182, km 28, 2366m, 18.16280, -96.99669, 10-VI-2016, R.S. Anderson, 2016-125, cloud forest litter (1♀ CMNC); Same locality, Hwy 182, km 28, 2370m, 18.16306, -96.99693, 10-VI-2016, R.S. Anderson, 2016-126, cloud forest litter (3♂♂, 5♀♀ CMNC); Same locality, Hwy 182, km 24, 2241m, 18.17548, -97.00745, 11-VI-2016, R.S. Anderson, 2016-127, oak-pine forest litter (4♂♂, 1♀ CMNC); Same locality, Hwy 182, km 26, 2320m, 18.17470, -97.00205, 11-VI-2016, R.S. Anderson, 2016-130, cloud forest litter (1♀ CMNC); Same locality, Hwy 182, km 27, 2319m, 18.16911, -97.00181, 11-VI-2016, R.S. Anderson, 2016-131, open oak forest litter (11♂♂, 16♀♀ CMNC; 2♂♂, 2♀♀ EMAC; 1♂, 1♀ FSCA; 1♂, 1♀ IEXA; 1♂, 1♀ USNM); Same locality, 2381m, 18.16364, -96.99763, 11-VI-2016, R.S. Anderson, 2016-132, cloud forest litter (2♀♀ CMNC); Same locality, 2388m, 18.16275, -96.99771, 11-VI-2016, R.S. Anderson, 2016-133, cloud forest litter (2♂♂ CMNC); Same locality, 2396m, 18.16181, -96.99776, 13-VI-2016, R.S. Anderson, 2016-139, cloud/ oak/podocarpus forest litter (1♂ CEMT; 4♂♂, 2♀♀ CMNC; 3♂♂, 1♀ FSCA); Same locality, Hwy 182, km 30, 2369m, “18.16307003, -96.996851” [correct coordinates 18.15307003, -96.986851], 9-VI-2016, L.R. Benavides, LRB-MX-022, oak forest litter sample (1♂ CMNC); Same locality, Hwy 182, km24, 2198m, 18.17487, -97.00661, 11-VI-2016, M Barrios-Izás, MBI-674, hojarasca, bosque encino (6♂♂, 2♀♀ CMNC); Same locality, Hwy 182, km26, 2343m, 18.17465, -97.00138, 11-VI-2016, M Barrios-Izás, MBI-675, hojarasca, bosque encino (2♂♂, 3♀♀ CMNC; 2♂♂, 2♀♀ FSCA); Same locality, Hwy 182, km27, 2299m, 18.16893, -97.0024, 11-VI-2016, M BarriosIzás, MBI-677, hojarasca, bosque encino (3♂♂, 3♀♀ CMNC). Additional material. One other data point is known for a non-paratype. Galante et al. (2003: 305, fig. 17; 309) illustrate a specimen of this species, misidentified as “ Termitodius chaki Reyes and Martinez ” with label data: “ Oaxaca (new state record): 26 km E Teotitlan del Camino, 2250 m, 26.IX.1990, R. BARANOWSKI”. Diagnosis. Body of moderate size, length 3.52–4.07 mm, pronotum quadrate, pronotal lateral margin weakly sinuate, longer elytra (almost 2 times length of pronotum), which are parallel-sided having straighter costae, flight wings vestigial. Description. Male holotype (Figs. 1–3). Body length 4.07 mm, greatest width 1.56 mm. Dorsum dark reddish brown nearly black with head, pronotal lobes, and legs tinged with brown; shape elongate, almost parallel sided. Head. Head one-third wider than long, surface dulled, punctures with short setae (Fig. 11); clypeus anteriorly with inflexed, flattened margin bearing short setal fringe, lower edge medially sharply, obtusely angulate, upper edge with weakly inflexed margin smoothly to angulate tooth adjacent to rounded edge of gena; clypeocentral disc defined anteriorly by U-shaped groove (peridiscal impression), and posteriorly by arcuate suture, center of disc with 2 small, longitudinal tubercles. Vertex with 4 short, longitudinal carinae, each with a short tuft of erect setae (best seen in profile), 2 frontodiscal costae slightly closer and with shallow groove between. Gena anteriorly lobed, posteriorly depressed above eye, eye greatly reduced (compare Figs. 9–10), not visible dorsally. Mouthparts not notably different from other recently described rhyparines; epipharynx with anterior margin deeply concave (Fig. 13). Pronotum. Pronotum as wide as long, with 6 irregularly longitudinal carinae; paramedian costa complete and slightly convergent in anterior half, discolateral costa interrupted in anterior third by deep irregular pit, parts anterior to pits slightly more elevated and wider than posterior part, which is weakly elevated; submarginal costa outwardly sinuate near middle with adjacent deep, mesad depression; all costae extending to posterior pronotal margin; surface of intervals between paramedian and discolateral costae strongly punctate anteriorly, nearly impunctate and dulled posteriorly; surface of interval between discolateral and submarginal costa coarsely punctate entire length; pronotal punctures bearing short setae; lateral margin of pronotum sinuate with 2 week lobes, equally prominent laterally, anterior lobe elongate forward of equal length to intermediate lobe, which grades smoothly to posterior angle of pronotum; anterior pronotal margin tomentose, lateral posterior margins lacking marginal bead. Scutellum. Scutellar shield minute, narrow, apex acute. Elytra. Elytron almost 2 times length of pronotum; with 4 elevated carinae; discomedian costa depressed near middle of elytron, highest in apical third anterior to bulbous area; discolateral costa sinuate, more elevated than discomedial costa, highest points just at middle and near apex, near apex costa curves inwardly to trichome; discomedial and discolateral costa ending posteriorly with tuft of setae over trichomes occupying depression just anterior to bulbous apex; posthumeral costa elevated anteriorly, weakly sinuate, gradually reducing in height and width towards apex, indistinct when reaching caudal trichome; submarginal costa dorsally sinuate, sharply turns inward and upward at elytral apex merging with caudal bulb; caudal bulb transverse in dorsal view, narrow and vertical in caudal view (Fig. 12), most pronounced near suture; all costae dorsally with 1 or 2 rows of minute setae; elytral intervals with coarse, deep seta bearing punctures; interval between juxtasutural and discomedian costa and interval between posthumeral and submarginal costa with 1 row of punctures; intervals between discomedian-discolateral-posthumeral costae with 2 rows of punctures. Flight wings. Metathoracic wings vestigial, reduced to buds (Fig. 8), species flightless, elytra fused. Ventral thorax. Preprosternal apophysis medially broadly lanceolate anterior to coxae; postprosternal apophysis haustate. Mesoventrite short, surface densely punctate; medially with longitudinal, tomentose-ringed groove. Metaventrite with narrow, anterior metasternal projection separating mesocoxae; posterior of process with large, deep, medial impression, with small medial and larger triangular lateral impression just behind mesocoxa, discal area with a large 2-part impression. Abdomen. Abdomen with 5 visible sternites, first 4 narrow, slightly wider laterally; first ventrite medially with oval concavity, laterally with large cavity occupying most of metacoxal length; next 3 ventrites with small depression on each side near lateral edge, otherwise, convex; apical ventrite approximately as long as adjacent 3 sternites combined, basal two-thirds with deep transverse depression on each side of median ridge; apical third of last ventrite convex, surface with numerous recumbent setae, bearing a small medial tubercule. Pygidium flattened, apical threefourths outlined by distinct ridge, basal portion above ridge finely setose with distinct median longitudinal sulcus, below sulcus in flattened area midline carinate, smooth on each side; apex of pygidium rounded. Legs. Ventral surfaces of all femora irregularly punctate-setose, profemur robust with tooth me

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