identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
0396878D4426FFC7DFCE3BD6FE37F84D.text	0396878D4426FFC7DFCE3BD6FE37F84D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Cerogamasus cornutus Ren & Yao 2026	<div><p>Cerogamasus cornutus Ren &amp; Yao sp. nov.</p><p>Material examined. Holotype. Female, encountered in decomposing leaf litter, Xinping County (2159 m a.s.l., N 23°57′15″, E 101°30′41″), Yuxi City, Yunnan Province, China, June 19, 2022 . Paratype. One female, encountered in decomposing leaf litter, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=109.563614&amp;materialsCitation.latitude=19.050554" title="Search Plazi for locations around (long 109.563614/lat 19.050554)">Shiyun Township</a> (652 m a.s.l., N 19°3′2″, E 109°33′49″), Qiongzhong Li Autonomous County, Hainan Province, China, March 22, 2022 .</p><p>Type material deposition. The holotype and paratype are deposited in the Institute of Entomology, Guizhou University, Guiyang, China (GUGC).</p><p>Diagnosis. Female. Dorsal setae z2, s6, r2, R 1, R 2 and R 3 simple; opisthogastric shield bearing ten pairs of simple setae; opisthogastric soft cuticle with seven pairs of setae, two pairs pilose; gnathotectum emerging from base with small teeth and central prong longer than lateral ones; setae h3 and pcx pilose.</p><p>Description</p><p>Female (n=2; Figures 1–11). Idiosoma well sclerotised, length 870–901, width 614–652.</p><p>Dorsal idiosoma (Figure 1). Dorsum covered by reticulated podonotal and opisthonotal shields. Podonotal shield bearing 22 pairs of setae, setae z1, z2, s1, s2, s6, r2, r4, r5 simple, others pilose. Opisthonotal shield bearing 25 pairs of setae, the R series setae shorter than the J, Z and S series, and setae R1, R2, R3 simple, others pilose. Seta r6 fine and off shield. Length of dorsal setae: j1 83–86, j2 102–103, j3 107–109, j4 97–100, j5 62–65, j6 65–68, z1 40–44, z2 60–64, z3 90–93, z4 95–97, z5 83–85, z6 65–66, s1 14 –17, s2 13 –15, s3 90–92, s4 90–93, s5 85–88, s6 38 –40, r2 70–73, r3 161–167, r4 20–24, r5 22–25, r6 24–26, J1 66–68, J2 62–64, J3 65–68, J4 56–58, J5 66–68, J6 68–70, J7 65–68, Z1 84–87, Z2 76–78, Z3 68–71, Z4 68–70, Z5 55–57, Z6 52–55, S1 74–76, S2 66–68, S3 53 –55, S4 48 –51, S5 53 –57, S6 48 –50, R1 42–45, R2 40–43, R3 44–46, R4 47–49, R5 48–50, RX 44–46.</p><p>Ventral idiosoma (Figure 2). Tritosternum flanked by two pairs of presternal platelets close to each other. Sternal shield reticulated and bearing three pairs of setae (st1–st3) and two pairs of poroids (iv1–iv2). Metasternal shield, bearing seta st4 and poroids iv3, separated from sternal and epigynal shields. Epigynal shields, bearing setae st5, separated from opisthogastric shield. Endogynium lingulate, with symmetric horn-like protrusions at the anterolateral aspects and an inverted U-shaped structure accompanied by two posterior protrusions within the central region (Figure 3). Opisthogastric shield bearing ten pairs of ventral setae, setae ZV1 and SV1 fine. Opisthogastric soft cuticle with seven pairs of setae, two pairs pilose and longer than others. Peritrematal groove length 384–401. Lengths of setae on ventral shields: st1 82–85, st2 60–63, st3 60–63, st4 66–67, st5 51–52, JV1 49–52, JV2 57–59, JV3 55–56, JV4 60–64, ZV1 19–22, ZV2 43–45, ZV3 54–57, ZV4 46–48, SV1 19–21, SV2 33–36, pa 18–20, po 27–30.</p><p>Gnathosoma (Figures 4–7). Gnathotectum emerging from base with three to five small teeth on each side and anterior margin with three prongs, a number of small denticles basally between them; prongs apically sharp, central prong longer than lateral ones (Figure 4). Fixed and movable digits of chelicera with several small teeth (Figure 5). Deutosternal groove with 12 denticulate rows; setae h1 (102–107) and h2 (86–89) simple, h3 (82–86) and pcx (90– 93) slightly pilose (Figure 6). Palp length 436–451; seta v2 on palptrochanter shorter than v1; seta al on palpfemur pectinate, d3 distally pilose; al1 and al2 on palpfemur rod-like, others simple (Figure 7).</p><p>Legs (Figures 8–11). Lengths of legs: I 942–992, II 765–793, III 725–756, IV 989–1098. Leg I thinner than other legs. Setae av1, al1, pv1 and pl1 on tarsi II–IV modified to short and thick spurs. Most leg setae simple.</p><p>Other stages. Unknown.</p><p>Etymology. The name of this new species, Cerogamasus cornutus, derives from its endogynium with two pairs of horned and prominent processes.</p><p>Differential diagnosis. The newly described species is morphologically similar to C. tibetensis in the number of setae on the opisthogastric shield and deutosternal groove and the shape of seta r6. However, the female of C. cornutus sp. nov. differs from C. tibetensis as follows: (1) dorsal setae z2, r2, R1, R2 and R3 simple, vs. pilose in C. tibetensis; (2) all setae on opisthogastric shield simple, vs. a pair of pilose setae in C. tibetensis; (3) setae h3 and pcx pilose, vs. simple in C. tibetensis; (4) gnathotectum emerging from base with small teeth and central prong approximately three times longer than lateral prongs, vs. nude base and central prong and lateral prongs equal in length in C. tibetensis .</p></div>	https://treatment.plazi.org/id/0396878D4426FFC7DFCE3BD6FE37F84D	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	Yao, Mao-Yuan;Ren, Rong;Chen, Jian-Xin;Wu, You-Fang;Yi, Tian-Ci;Jin, Dao-Chao	Yao, Mao-Yuan, Ren, Rong, Chen, Jian-Xin, Wu, You-Fang, Yi, Tian-Ci, Jin, Dao-Chao (2026): Two new species of Cerogamasus Jin & Yao, 2024 (Acari, Parasitiformes, Parasitidae) from China. Zootaxa 5785 (2): 352-361, DOI: 10.11646/zootaxa.5785.2.6, URL: https://doi.org/10.11646/zootaxa.5785.2.6
0396878D4426FFCDDFCE3B3EFA38FB79.text	0396878D4426FFCDDFCE3B3EFA38FB79.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Cerogamasus Jin & Yao 2024	<div><p>Genus Cerogamasus Jin &amp; Yao, 2024</p><p>Type species: Cerogamasus tibetensis Jin &amp; Yao, 2024</p><p>Diagnosis of genus. The diagnosis of Cerogamasus used here is based on that of Yao et al. 2024.</p><p>Key to females of Cerogamasus species, updated from Yao et al. (2024)</p><p>1. Opisthogastric shield with five pairs of setae................................................... C. coreanus</p><p>– Opisthogastric shield with nine or ten pairs of setae...................................................... 2</p><p>2. Opisthogastric shield with nine pairs of setae............................................................ 3</p><p>– Opisthogastric shield with ten pairs of setae............................................................. 4</p><p>3. Dorsal setae R1, R2 and R3 smooth; opisthogastric shield with four pairs (JV4, ZV2, ZV3, SV2) of pilose setae............................................................................................ C. multidentatus</p><p>– Dorsal setae R1, R2 and R3 pilose; opisthogastric shield with a pair (JV4) of pilose setae............... C. anhuiensis</p><p>4. Dorsal seta r2 simple; all setae on opisthogastric shield simple............................ C. crassipilosus sp. nov.</p><p>– Dorsal seta r2 pilose; opisthogastric shield with at least two pilose setae....................................... 5</p><p>5. Dorsal seta s6 smooth; opisthogastric shield with at most four pilose setae..................................... 6</p><p>– Dorsal seta s6 pilose; opisthogastric shield with eight pilose setae............................... C. guizhouensis</p><p>6. Dorsal seta z2 simple; opisthogastric shield with four pilose setae; seta pcx pilose................ C. cornutus sp. nov.</p><p>– Dorsal seta z2 pilose; opisthogastric shield with two pilose setae; seta pcx simple...................... C. tibetensis</p></div>	https://treatment.plazi.org/id/0396878D4426FFCDDFCE3B3EFA38FB79	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	Yao, Mao-Yuan;Ren, Rong;Chen, Jian-Xin;Wu, You-Fang;Yi, Tian-Ci;Jin, Dao-Chao	Yao, Mao-Yuan, Ren, Rong, Chen, Jian-Xin, Wu, You-Fang, Yi, Tian-Ci, Jin, Dao-Chao (2026): Two new species of Cerogamasus Jin & Yao, 2024 (Acari, Parasitiformes, Parasitidae) from China. Zootaxa 5785 (2): 352-361, DOI: 10.11646/zootaxa.5785.2.6, URL: https://doi.org/10.11646/zootaxa.5785.2.6
0396878D4422FFCDDFCE3C89FE37FD65.text	0396878D4422FFCDDFCE3C89FE37FD65.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Cerogamasus crassipilosus Ren & Yao 2026	<div><p>Cerogamasus crassipilosus Ren &amp; Yao sp. nov.</p><p>Material examined. Holotype. Female, encountered in decomposing leaf litter, Shiyun Township (652 m a.s.l., N 19°3′2″, E 109°33′49″), Qiongzhong Li Autonomous County, Hainan Province, China, March 22, 2022. Paratype. two females with the same details as holotype .</p><p>Type material deposition. The holotype and paratype are deposited in the Institute of Entomology, Guizhou University, Guiyang, China (GUGC).</p><p>Diagnosis.</p><p>Female. Dorsal setae z2 and s6 simple, r2, R 1, R 2 and R 3 pilose; opisthogastric shield bearing ten pairs of setae, two pairs (JV 4, ZV4) pilose; opisthogastric soft cuticle with five pairs of pilose setae; gnathotectum emerging from base with small teeth and central prong longer than lateral ones; seta pcx pilose.</p><p>Description</p><p>Female (n=3; Figures 12–22). Idiosoma well sclerotised, length 779–799, width 539–556.</p><p>Dorsal idiosoma (Figure 12). Dorsum covered by reticulated podonotal and opisthonotal shields. Podonotal shield bearing 22 pairs of setae, setae z1, z2, s1, s2, s6, r4, r5 fine and simple, j1, j2, j3, r2 slightly pilose and others pilose. Opisthonotal shield bearing 24 pairs of pilose setae, the R series setae shorter than the J, Z and S series. Seta r6 fine and off shield. Length of dorsal setae: j1 74–78, j2 75–78, j3 74–76, j4 69–72, j5 55–58, j6 51–53, z1 23–25, z2 47–50, z3 65–68, z4 59–63, z5 71–73, z6 54–56, s1 20 –23, s2 19 –20, s3 60 –62, s4 66–68, s5 66–68, s6 35 –37, r2 59–63, r3 140–147, r4 15–17, r5 24–27, r6 22–26, J1 56–58, J2 49–51, J3 48–51, J4 49–52, J5 43–45, J6 40–43, Z1 58–61, Z2 57–60, Z3 50–51, Z4 48–50, Z5 38–42, Z6 44–46, S1 50 –53, S2 54 –56, S3 45 –47, S4 43 –46, S5 37 –40, S6 43 –47, R1 31–34, R2 29–31, R3 28–30, R4 28–31, R5 30–32, RX 35–37.</p><p>Ventral idiosoma (Figure 13). Tritosternum flanked by two pairs of presternal platelets close to each other. Sternal shield reticulated and bearing three pairs of setae (st1–st3) and two pairs of poroids (iv1–iv2). Metasternal shield, bearing seta st4 and poroids iv3, separated from sternal and epigynal shields. Epigynal shields, bearing setae st5, separated from opisthogastric shield. Endogynium saccate, with a swallow kite-shaped principal structure in the center, posteriorly adjacent to a circular opening and laterally bordered by paired lamellar outgrowths (Figure 14). Opisthogastric shield bearing ten pairs of ventral setae, setae ZV1 and SV1 fine, JV4 and ZV4 pilose. Opisthogastric soft cuticle with five pairs of pilose setae, seta JV5 (64–68) longer than others. Peritrematal groove length 344–361. Length of setae on ventral shields: st1 60–64, st2 53–55, st3 51–54, st4 44–47, st5 51–53, JV1 54–57, JV2 47–50, JV3 52–55, JV4 55–58, ZV1 17–19, ZV2 45–48, ZV3 56–58, ZV4 54–56, SV1 16–19, SV2 31–34, pa 27–29, po 39–40.</p><p>Gnathosoma (Figures 15–18). Gnathotectum anterior margin with three prongs and emerging from base with three to five small teeth on each side; prongs apically sharp, central prong longer than lateral ones (Figure 15). Palp length 345–361; seta v2 on palptrochanter longer than v1; seta al on palpfemur pectinate, setae d1, d2 and d3 distally pilose; al1 and al2 on palpfemur spatulate, others simple (Figure 16). Deutosternal groove with 11 denticulate rows; setae h1 (63–66) and h2 (51–53) and h3 (55–57) simple, pcx (70–75) slightly pilose (Figure 17). Fixed and movable digits of chelicera with several small teeth (Figure 18).</p><p>Legs (Figures 19–22). Lengths of legs: I 902–935, II 649–676, III 598–622, IV 918–962. Leg I thinner than other legs. Coxa I with an apophysis ventrally (Figure 19). Femur II and Genu II each bearing a short and thickened pilose seta (Figure 20). Setae av1, al1, pv1 and pl1 on tarsi II–IV modified to short and thick spurs. Most setae on leg I – leg III simple, most setae on leg IV pilose.</p><p>Other stages. Unknown.</p><p>Etymology. This species is named after the morphological characteristics of its dorsal setae, which are thick (crassi-, from Latin crassus meaning "stout" or "robust") and distally pilose (-pilosus, from Latin pilus meaning "seta").</p><p>Differential diagnosis. The newly described species is morphologically similar to C. tibetensis in the number of setae on the opisthogastric and opisthonotal shields, as well as the shape of setae r2 and r6. However, the female of C. crassipilosus sp. nov. differs from C. tibetensis as follows: (1) dorsal seta z2 simple, vs. pilose in C. tibetensis; (2) ventral seta ZV4 simple, vs. pilose in C. tibetensis; (3) five pairs of pilose setae on opisthogastric soft cuticle, vs. a pair in C. tibetensis; (4) seta pcx pilose, vs. simple in C. tibetensis; (5) two pairs of presternal platelets, vs. three pairs in C. tibetensis; (6) central prong of gnathotectum more than two times longer than lateral prongs, vs. equal in length in C. tibetensis .</p></div>	https://treatment.plazi.org/id/0396878D4422FFCDDFCE3C89FE37FD65	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	Yao, Mao-Yuan;Ren, Rong;Chen, Jian-Xin;Wu, You-Fang;Yi, Tian-Ci;Jin, Dao-Chao	Yao, Mao-Yuan, Ren, Rong, Chen, Jian-Xin, Wu, You-Fang, Yi, Tian-Ci, Jin, Dao-Chao (2026): Two new species of Cerogamasus Jin & Yao, 2024 (Acari, Parasitiformes, Parasitidae) from China. Zootaxa 5785 (2): 352-361, DOI: 10.11646/zootaxa.5785.2.6, URL: https://doi.org/10.11646/zootaxa.5785.2.6
