taxonID	type	description	language	source
151F673C248A588E89EF6B346E8E1B4B.taxon	description	Figs 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, Tables 1, 2, 3, 4, 5, 6	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
151F673C248A588E89EF6B346E8E1B4B.taxon	diagnosis	Diagnosis. Eudigraphis huadongensis sp. nov. is characterized by three long bacilliform sensilla, one conical sensillum and one setiform sensillum on the sixth antennal article, two long bacilliform sensilla, one conical sensillum and one setiform sensillum on seventh antennal article; posterior vertex trichome groups with 11 – 16 sockets in anterior row and 7 – 13 sockets in posterior row; 12 slender sensilla on lateral palp of gnathochilarium and 20 or 21 conical sensilla on the medial palp; 2 + 2 lamellae and 5 + 5 clypeo-labral setae on the labrum. The mandible has 14 branched comb teeth, ten rows of simple comb teeth, three longitudinal groups of intermediate sensilla, 14 serrate limbs, one smooth limb, 13 salivary ostioles, seven molar processes and seven molar combs. The leg setae have a coniform pleated base. The telson has 11 – 17 ornamental trichomes on each side dorsal to the caudal bundle; hooked caudal trichomes with a maximum of eight hooks.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
151F673C248A588E89EF6B346E8E1B4B.taxon	description	Description. Adult with 13 pairs of legs, body length 3.4 mm on average (3.0 – 3.6 mm, n = 45, holotype 3.4 mm), caudal bundle 0.4 – 0.5 mm (Fig. 2). Coloration. Body evenly yellowish brown dorsally, pale yellow ventrally. Head with one dark brown transverse band on vertex connecting with red-brown eyes. Antenna with articles IV – VIII dark brown, with the basal three articles milky white. Legs variable in color, with last four or five podomere sections pale purple, basal sections white or purple. Body trichomes yellow-brown and caudal bundle trichomes grey to brown (Figs 2, 9). Head length 314 μm on average (270 – 450 μm, n = 45), width 500 μm on average (400 – 600 μm, n = 45) (Fig. 5 A), each side with eight ommatidia: five dorsal and three lateral ones (Figs 3 A, 5 B, 7 H). Vertex with two posterior trichome groups separated by a large medial gap, each group arranged in two close adjacent rows, anterior row with large trichome sockets, posterior row with small trichome sockets (Figs 3 A, 5 A, 5 G, 5 H). Holotype has 14 sockets on both sides of anterior row, and ten sockets on both sides of posterior row (Figs 3 A, 5 G, 5 H). Paratypes with 11 – 16 sockets in anterior row and 7 – 13 in posterior row on each side. Antennae length 420 μm on average (400 – 500 μm, n = 45), consist of eight antennal articles, article VIII shorter than VII (Fig. 5 C). Antennal article VI with three thick bacilliform sensilla: anterior Ta (10 – 16 μm), intermediate Ti (11 – 17 μm) and posterior Tp (11 – 17 μm), one setiform sensillum s (7 – 9 μm) between Ta and Ti, and one conical sensillum c (2 – 3 μm) close to Tp (Figs 4 A, 5 F, 7 I). Antennal article VII with two thick bacilliform sensilla Ta (11 – 17 μm) and Tp (10 – 16 μm), one setiform sensillum s (5 – 7 μm) between them, and one conical sensillum c (2 – 3 μm) close to Tp (Figs 4 A, 5 F, 7 I). Antennal article VIII with four sensory cones (5 – 8 μm). Trichobothria. Trichobothrium a (posterior position), trichobothrium b (lateral position), and trichobothrium c (anterior position) with narrow cylindrical funicles, with sockets of equal size, forming an isosceles triangle with equal distance between ab and bc (Figs 3 A, 5 D, 7 H). Labrum. Surface heavily covered by coarse granules, anterior margin with 2 + 2 lamellae on each side of the median cleft, clypeo-labrum with 5 + 5 short setae, 18 – 27 μm (Fig. 5 E). Gnathochilarium. Lateral palp (90 – 107 μm) 2.1 – 2.3 times as long as medial palp (40 – 50 μm), each medial palp (MP) with 20 conical or slender sensilla, lateral palps (LP) each with 12 conical sensilla (Figs 4 B, 5 I). Mandible. Comb-lobe with a row of 14 branched comb teeth (BT) and ten rows of simple comb teeth (CT) (Fig. 6 A, B); intermediate plate with intermediate lobe (IL), intermediate sensilla (IS) pointed at apex and arranged in three longitudinal groups, and several fimbriate lamellae (FL) deeply incised into long pointed processes (Fig. 6 D); proximal plate bearing molar plate (Fig. 6 C, D) consisting of 14 broad serrated limbs (SL) with stoutly chitinous spines at apices and one smooth limb (SmL), wide granulated zone, 13 salivary ostioles (SaO) arranged roughly in two rows (Fig. 6 C), seven molar processes (MPr) and seven molar combs (MC) with regularly arranged teeth. Trunk composed of ten tergites, nine pleural projections and telson (Fig. 2). Collum with trichome sockets arranged in two oval-shaped groups in lateral positions opposite each other, connected by a single posterior row of trichome sockets in the middle (Figs 3 B, 7 A), with 50 + 48 trichome sockets in holotype (Figs 3 B, 7 D), and five trichome sockets on each lateral protuberance in holotype (Figs 3 B, 7 A), with 86 – 103 in total and five or six on lateral protuberance each side in paratypes (Table 2). Tergite II with 62 + 61 trichomes in holotype (Figs 3 C, 7 B), 103 – 132 in total in paratypes connected by a continuous posterior row of trichomes. Tergites II – X exhibit a consistent pattern of trichome insertions. Tergite X with fewer trichomes than other tergites (Figs 3 D, 7 C), 76 in holotype and 64 – 110 in paratypes. The number of trichomes for each tergite is given in Table 2. Legs. Leg 1 lacks tarsus 1. Chaetotaxy (setae on each leg article) (Table 3): coxa 1: one seta, coxa 2: two setae, coxae 3 – 13: 0 – 4 setae; prefemur with one seta; femur usually with one large, long seta and one short seta in similar shape (Fig. 4 E, F), short seta sometimes absent on legs 1 and 13; tibia with one short seta (Fig. 4 E, F), occasionally absent on legs 11 – 13; post-femur and tarsus 1 without seta, and tarsus 2 with one pointed seta. Large and long setae on legs with coniform pleated base (Figs 4 C, 4 E, 5 J). Pointed setae on tarsus 2 with acute triangular base (Figs 4 D, 4 E, 5 K). Telotarsus short, with a robust and pointed claw, narrow posterior lateral process, equal to half length of claw, anterior setiform process longer than claw, and a large, triangular lamella (Figs 4 G, 7 J). Sex organ. Female with paired genital vulvae between coxa of leg 2, each consists of three plates: one large upper plate with six short setae, two small lower plates each with five setae (Fig. 7 F). Male with paired penes between coxa 2 and two pairs of coxal glands on coxal plates of legs 8 and 9, each penis with eight short setae (Fig. 7 G). All short setae on sex organs similar to the larger leg setae. Telson. Ornamental trichomes arranged either side dorsal to the caudal bundle (Fig. 7 C), with 13 + 13 trichomes ‘ a’ (holotype) (Figs 4 H, 7 E), and 11 – 17 trichomes ‘ a’ on each side in paratypes (some asymmetry present). All have a single trichome ‘ b’ and three trichome ‘ c’ with large protruding base sockets c 1, c 2 and c 3 arranged in a triangle (Figs 4 H, 7 E). Circular indentation d present (Figs 4 H, 7 E). Caudal bundles composed of a bundle of uniform, long hooked trichomes (Fig. 7 C). Females with two latero-sternal bundles of trichome sockets of nest trichomes. Males without nest trichomes, but with two groups of large trichome sockets ventrally. Hooked trichomes with a maximum of eight hooks.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
151F673C248A588E89EF6B346E8E1B4B.taxon	etymology	Etymology. The species was named after the Chinese words “ Huadong ” = “ East China ” which is the region where all type specimens were collected.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
C7AF2B34428F51DE8CA48E2E1FEA6161.taxon	type_taxon	Type species. Eudigraphis japonica Silvestri, 1948 (= Eudigraphis takakuwai); type locality: Ehime-ken and Kanagawa of Japan.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
C7AF2B34428F51DE8CA48E2E1FEA6161.taxon	diagnosis	Diagnosis. Head with eight ommatidia on each side. Body with ten segments, nine pleural projections, a telson, and 13 pairs of legs. Antenna with eight articles, the sixth antennal article has three long bacilliform sensilla, some species also have one conical sensillum and one setiform sensillum; the seventh antennal article has two long bacilliform sensilla, some species also have one conical sensillum and one setiform sensillum; eighth antennal articles is shorter than article VII, with four finger-shaped sensory cones. Tergites with two lateral clusters of trichomes plus a single continuous row of trichomes close to posterior edge. Caudal trichomes on telson arranged as a penicil of hooked and barbate trichomes. The mandible has a comb-lobe, an intermediate plate, and a proximal plate, without a molar tuft.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
C7AF2B34428F51DE8CA48E2E1FEA6161.taxon	distribution	Distribution. China (Jiangsu, Shanghai, Taiwan, Yunnan, Zhejiang), Japan.	en	Yang, Si-Qi, Bu, Yun, Nunes Godeiro, Nerivania, Gao, Yan, Jin, Ya-Li (2025): A new species of Eudigraphis (Diplopoda, Polyxenida, Polyxenidae) from East China, with embryonic and post-embryonic development observations, and mitogenomic and genetic divergence analyses. ZooKeys 1247: 63-88, DOI: 10.3897/zookeys.1247.155348
