17,608 research outputs found
Lactarius baiyunensis Huang & Lin & Li & Qiu 2022, sp. nov.
No full textLactarius baiyunensis sp. nov. X.X. Huang & L.H. Qiu, (Figs 2, 3) Mycobank: MB 842079 Diagnosis:— Lactarius baiyunensis differs from the other orange-white species within Lactarius subg. Lactarius by a lamellae edge without cheilocystidia and an ixotrichoderm for a pileipellis. Holotype:— CHINA. Guangdong Province, Guangzhou City, Baiyun Mountain, 21 August 2021, L. H. Qiu, B21082143 (GDGM 87010). Etymology:—the epithet ‘‘ baiyunensis’’ refers to the type location, Baiyun Mountain. Description:— Fruitbodies medium-sized, 20–50 × 15–35 mm. Pileus 20–50 mm in diam, center depressed, shallowly infundibuliform when mature, margin slightly in-rolled in youth, expanding with maturity; surface smooth, greasy and sometimes viscid; brownish orange (#c79e85) and light brown (#c08b61) at the center, becoming milky white (#d6cfc9) towards the edge, azonate or inconspicuously zonate. Context 3–4 mm thick at center, 1–2 mm at margin, milky white, pale yellowish brown (#f7dea6) near the pileus. Lamellae 2–4 mm broad at center, close to crowded 2–3 tiers of lamellulae, adnate to decurrent, milky white (#d6cfc9) when young, brownish orange (#c79e85) or light brown (#c08b61) when mature, unchanging when damaged. Stipe 1.5–3.5 × 0.8–1.2 cm, central, cylindrical, sometimes tapering upwards, solid in youth becoming hollow with age, surface dry, white, often with irregular brownish spots. Odor mostly non distinct, sometimes fruity. Taste and spore print unrecorded. Latex scarce, white, unchanging when exposed. Basidiospores [80/4/4] (3.3–) 3.6–4.3–4.9 (–5.1) × (3.2–) 3.3–4.0–4.5 (–4.6) μm, [Q = 1.00–1.08–1.20 (–1.26), Qm = 1.08 ± 0.06], globose to subglobose, ornamentation amyloid, 0.5–1.1 (–1.3) μm high, parallel and branched ridges and isolated warts, forming an incomplete or sometimes almost complete reticulum, some ridges connected by lower lines, plage distally to totally amyloid. Basidia [50/2/2] (18–) 20–23–27 (–28) × (5–) 6–8–9 μm, 2– or 4– spored, clavate, with refractive contents, sterigmata 1–5 μm long. Pleurocystidia (16–) 23–32–37 (–39) × (4–) 6–8–9 (–10) μm, subfusiform to subclavate, often with acute or obtuse apex, with a strongly refractive content at the middle or upper part. Lamella edge sterile. Cheilocystidia absent. Pileipellis an ixotrichoderm, 115–150 μm thick, hyphae 1.5– 2.2 µm broad, cylindrical to narrowly clavate with obtuse or slightly acute apices, sometimes with brown, granular intracellular pigments. Stipitipellis 160–185 μm thick, hyphae 1–3 µm broad, densely interwoven, brownish in 5 % KOH. Clamps absent in all parts of basidiomata. Habitat:—Solitary in monsoon evergreen forest soil. Other specimens examined: CHINA. Guangdong Province, Guangzhou City, Baiyun Mountain: 26 September 2020, L. H. Qiu, B20092602 (GDGM 87009); 25 August 2016, L. H. Qiu, H16082533 (GDGM 87011); 25 August 2016, L. H. Qiu, H16082525 (GDGM 87012).Published as part of Huang, Xiao-Xia, Lin, Zhi-Jun, Li, Si-Duo & Qiu, Li-Hong, 2022, A New Species of Lactarius subg. Lactarius (Russulaceae) from Baiyun Mountain, China, pp. 245-256 in Phytotaxa 554 (3) on pages 250-252, DOI: 10.11646/phytotaxa.554.3.3, http://zenodo.org/record/683149
Tylopilus pallidocervicolor Z. J. Lin & L. H. Qiu 2023, sp. nov.
No full text<i>Tylopilus pallidocervicolor</i> Z.J. Lin & L.H. Qiu, <i>sp. nov.</i> (Figs. 3, 4) <p>MycoBank: MB 848015</p> <p> Etymology:—“ <i>pallido</i> ” (Lat.)—pale; “ <i>cervicolor</i> ” (Lat.)—deer color, referring to the color of the basidiomata.</p> <p> Holotype:— CHINA, GUANGDONG PROVINCE: Guangzhou City, Baiyun Mountain, 23°10′10″ N 113°17′31″ E, elev. 120 m, 20 August 2022, L.H. Qiu, GDGM91094 (GenBank acc. no.: OQ617298 for nrITS, OQ617304 for nrLSU, OQ676968 for <i>rpb1</i>, OQ676973 for <i>rpb2</i>, OQ676977 for <i>tef1-α</i>).</p> <p> Diagnosis:— <i>Tylopilus pallidocervicolor</i> is characterized by tannish brown to light brown basidiomata, stipe with distinct reticulum on upper portion, and a palisadoderm pileipellis.</p> <p> Description:— <i>Basidiomata</i> medium to large-sized. <i>Pileus</i> (3.5) 5–11 cm in diam., hemispherical to subhemispherical when young, applanate to plano-depressed at maturity; surface dry, finely tomentose, reddish brown (#8C3613) to dark brown (#704214) when young, tannish brown (#D2B48C) to light brown (#AC8260) at maturity, paler towards margin with age; context solid when young, spongy with age, white, without discoloration when bruised. <i>Hymenophore</i> poroid, adnate when young, slightly depressed around the apex of stipe with age; surface yellowish brown (#AD8F77) to pinkish brown (#E3B7AC), staining nude (#BF7258) when bruised; pores angular, 0.6–1.1 mm wide; tubes 6–14 mm long, concolorous with hymenophoral surface, slowly staining deep brown (#8E5627) when bruised or aging. <i>Stipe</i> 4–6.8 × 2.1–2.3 cm, clavate to subcylindrical, moderately enlarged downwards when young, attenuate at middle at maturity; surface predominantly concolorous with pileus, distinctly reticulate over upper portion, slowly staining brownish red when touched; context solid, pallid, slowly staining brown (#8C794E, #5A3E29) when bruised; basal mycelium pallid to yellowish. <i>Spore print</i> not obtained. <i>Taste</i> not obtained. <i>Odor</i> mild.</p> <p> <i>Basidiospores</i> [200/3/3] (8.8) 10.1–12.0 (15.0) × (3.1–)3.5–4.1 (4.8) μm, Q = (2.39–)2.66–3.23 (–3.51), Q m = 2.94 ± 0.22, ellipsoid to cylindrical, smooth under light microscope and SEM, hyaline to yellowish brown in KOH, yellowish brown in Melzer’s reagent. <i>Basidia</i> 22–29 × 7–10 μm, clavate, 4-sterigmata, hyaline in KOH. <i>Hymenophoral trama</i> boletoid, composed of 8–11 μm wide cylindrical hyphae, thin-walled, hyaline in KOH. <i>Cheilocystidia</i> moderate, scattered, 43–56 × 8–13 μm, ventricose to ventricose-mucronate, thin-walled, yellowish brown in KOH. <i>Pleurocystidia</i> rare, scattered, 64–78 × 7–14 μm, fusiform to subfusiform, thin-walled, yellowish brown in KOH. <i>Pileipellis</i> a palisadoderm, composed of 6–10 wide μm hyphae, thin-walled, hyaline or yellowish in KOH, yellowish brown in Melzer’s reagent; terminal cells 24–54 (64) × 9.0–16.1 (20) μm, fusiform to subfusiform or ventricose, thin-walled, hyaline or yellowish to brownish in KOH. <i>Pileal trama</i> composed of 5–12 μm wide interwoven cylindrical hyphae, thin-walled, hyaline in KOH. <i>Stipitipellis</i> a cutis about 236 μm thick, composed of 3–7 μm wide cylindrical hyphae, thin walled, yellowish to brownish in KOH. <i>Stipe trama</i> composed of cylindrical hyphae 5–8 μm wide, thin-walled, hyaline in KOH. <i>Clamp connections</i> absent in all tissues.</p> <p>Habitat:—Scattered to solitary on soil in subtropical forests dominated by Fabaceae and Fagaceae.</p> <p>Distribution:—Currently known from southern China.</p> <p>Additional specimens examined:— CHINA, GUANGDONG PROVINCE: Guangzhou City, Baiyun Mountain: 23°10′7″ N 113°17′31″ E, elev. 90 m, 5 June 2021, GDGM91091, L.H. Qiu; 23°10′7″ N 113°17′31″ E, elev. 119 m, 12 June 2021, B21061201, X.X. Huang; 23°10′3″ N 113°17′32″ E, elev. 88 m, 16 August 2021, GDGM91092, L.H. Qiu; 23°10′3″ N 113°17′29″ E, elev. 88 m, 4 September 2021, GDGM91093, Z.J. Lin & Y.S. Liang.</p>Published as part of <i>Lin, Zhi-Jun, Li, Hui-Bin, Liu, Xiao-Chun, Liang, Ying-Shan, Huang, Xiao-Xia & Qiu, Li-Hong, 2023, Tylopilus pallidocervicolor, a new species from Baiyun Mountain, Guangzhou, China, pp. 137-151 in Phytotaxa 619 (2)</i> on pages 139-144, DOI: 10.11646/phytotaxa.619.2.2, <a href="http://zenodo.org/record/8425871">http://zenodo.org/record/8425871</a>
Data collection for Section M in the northeastern Bay of Bengal
No full textObservational Data from the China-Myanmar joint cruise, in relation to the publication
An intrathermocline eddy observed in the northeastern Bay of Bengal
Xiwu Zhou, Yun Qiu, Xinyu Lin, Hui Teng, Cherry Aun
Cosmiomorpha (Cosmiomorpha) nigripedis Qiu
No full textCosmiomorpha (Cosmiomorpha) nigripedis Qiu & Xu, new species (Figs. 5, 29–30, 44, 57, 73, 143–144, 155, 162, 169, 172) Diagnosis. This species is more similar to C. sauteri than C. decliva: body luster is weaker; the tarsi and tibiae black (Fig. 143); the deflexed tooth larger than C. sauteri but smaller than C. decliva (Fig. 57); the clypeal margin strongly raised (Fig. 29). Holotype (male). TL: 23.5 mm, TW: 10.0 mm, CW/CL: 1.09. Head: Black, flat, vertex with a slightly raised longitudinal ridge; dorsal surface densely microsculptured, punctures small, round or elliptical; few punctures with sparse, radially distributed, short scales. Clypeus subtrapezoidalal in ventral view, margin evidently raised, anterior margin with a deep central depression. Gula smooth, almost without puncture (Fig. 30). Antenna dark brown. Pronotum: Dark orange, with 3 confluent black maculae. Black macula on disc large, occupying most of the surface and confluent with the two small elliptical maculae close to the lateral margins respectively; dorsal surface with numerous small round setiferous punctures, sparser, comparatively larger and deeper on disc; scales small, long elliptical, yellow (Fig. 73); margins smooth and black. Scutellum: Black, with few setiferous punctures, scales yellow. Elytra: Dark orange with humeral umbone, basal and anteromesal portion and sutural costa black; with numerous setiferous punctures, punctures denser on postdiscal portion; scales short, long elliptical, yellow. Sternum: Clad with linear scales, dense on mesosternum and both sides of metasternum; scales comparatively short, fulvous. Mesosternal process long with a constriction in the middle, apex truncate, glabrous (Fig. 5). Pygidium: Dark orange, rugose; with sparse, short, yellow scales. Abdomen: Sternites dark brown; a longitudinal groove between abdominal sternites 3–5; the sternites 2–6 with numerous linear scales except for medial area, the medial area with few setiferous punctures, scales inapparent; the last sternite almost glabrous, with a few setiferous punctures on both sides and a row of short fulvous setae along posterior margin. Legs: Black, with central portion of femora dark brown. Coxae densely clad with linear scales. Trochanters glabrous. Ventral surface of femora covered with short, sinuous striolae and sparse, tiny, yellow scales. Tibiae with numerous punctures and sparse, tiny scales. Protibia slim; three teeth along outer margin of which the proximal tooth nearly absent, the distance between the middle and proximal teeth about 1.5 times between the distal and middle teeth (Fig. 44); a row of mastoid teeth on ventral surface; the deflexed tooth distinct, short, blunt (Fig. 57). Mesotibia and metatibia with a blunt spine in the middle of outer margin; a row of sparse brush-like, yellow setae along inner margin. Protarsus slim; basitarsus slightly clavate. Parameres: Elongate, outer margins slightly expanded in apical view; apex slightly rounded with a tuft of long golden setae (Figs. 155, 162). Female. Unknown. Type material. Holotype: CHINA: Guizhou: ♂ (SWUC, ex QCCC, No. 538), 11.VIII. 2012, Maolan National Nature Reserve, Libo County, alt. 740 m, Jian-Yue Qiu & Hao Xu leg, on pear (Pyrus species; Rosaceae). Etymology. The species epithet comes from the Latin words “ niger ” and “ pes ” meaning “black” and “leg” respectively, for this species is similar to C. decliva in Asian continent, but with black legs. Distribution. China: Guizhou. Natural history. This specimen was collected from a pear tree as it was feeding on a pear fruit with Cosmiomorpha (Microcosmiomorpha) setulosa Westwood, one Parapilinurgus species, and more than one Protaetia species.Published as part of Qiu, Jian-Yue, Xu, Hao & Hu, Chun-Lin, 2013, Revision of the subgenus Cosmiomorpha (Cosmiomorpha) (Coleoptera: Scarabaeidae: Cetoniinae), pp. 401-434 in Zootaxa 3745 (4) on pages 420-422, DOI: 10.11646/zootaxa.3745.4.1, http://zenodo.org/record/24736
Two new species of Hexactinellida (Porifera) from the South China Sea
No full textGong, Lin, Li, Xinzheng, Qiu, Jian-Wen (2015): Two new species of Hexactinellida (Porifera) from the South China Sea. Zootaxa 4034 (1): 182-192, DOI: 10.11646/zootaxa.4034.1.
Cosmiomorpha (Cosmiomorpha) maolanensis Qiu
No full textCosmiomorpha (Cosmiomorpha) maolanensis Qiu & Xu, new species (Figs. 6, 31–32, 45– 46, 58–59, 74, 145 –148, 156, 163, 170, 172) Diagnosis. This species is almost entirely black and looks like black forms of C. modesta (Fig. 79), can be distinguished by: scales on dorsal surface shorter, smaller, almost white; male protibia wider, the deflexed tooth very long and slender with the tip rounded (Figs. 58–59); female tibiae and tarsi longer and thinner. Holotype (male). TL: 22.5 mm, TW: 10.5 mm, CW/CL: 1.15; body almost entirely black. Head: flat; dorsal surface densely microsculptured; punctures small, round, or elliptical; few punctures with sparse, radially distributed, short scales. Clypeus subrectangular, anterior margin raised with a shallow central depression. Gula smooth, sides with small punctures (Fig. 32). Antenna black; anterior portion of club dark brown. Pronotum: Dorsal surface with numerous setiferous punctures; punctures sparser, larger, deeper on disc; scales small, elongate-elliptical, almost white (Fig. 74); margins smooth. Scutellum: With sparse, setiferous punctures; scales almost white. Elytra: Black with posterior portion slightly dark brown; with numerous setiferous punctures, punctures denser on postdiscal portion; scales short, elongate elliptical, almost white. Sternum: Clad with linear scales, long and dense on mesosternum and both sides of metasternum; many scales worn off. Mesometasternal process glabrous, short, oval (Fig. 6). Pygidium: Rugose, with sparse, short, yellow scales. Abdomen: Sternites dark brown; a longitudinal groove between abdominal sternites 3–5; sternites 2–6 with numerous linear scales except for medial area, medial area with sparse setiferous punctures, scales inapparent; last sternite nearly glabrous, with a few punctures and short scales on both sides. Legs: Black, with central portion of femora dark brown. Coxae densely clad with linear scales. Trochanters glabrous. Ventral surface of femora with short, sinuous striolae and sparse, tiny, yellow scales. Tibiae with numerous punctures and sparse, tiny scales. Protibia wide; three teeth along outer margin of which the middle and proximal teeth are indistinct, the distance between the middle and proximal teeth about 1.9 times the distance between the middle and distal teeth; a row of mastoid teeth on ventral surface; deflexed tooth worn down (Fig. 58); spur very short and blunt, almost invisible. Mesotibia and metatibia with an acute spine in the middle of outer margin; small setae along inner margin. Protarsus slim; basitarsus evidently clavate, ventral surface strongly swollen. Metatarsomere 5 on left side lost. Parameres: Elongate, outer margins expanded in apical view; apex obtuse, significantly broader, with a tuft of short golden setae (Figs. 156, 163). Male paratype (1). TL: 20.0 mm (without head), TW: 11.5 mm. Body and color nearly identical to holotype. Scales on dorsal surface denser. The deflexed tooth long, slim, with round tip. Female paratypes (2). TL: 23.5–24.0 mm, TW: 11.5–12.0 mm. Except for legs, body very similar to male (Figs. 147–148). Clypeus subrectangular. Antennal club smaller. Pronotum flatter. Mesometasternal process short and round. Abdomen convex; the last sternite protuberant with a row of stout, golden setae along posterior margin. Protibia wide and short, with three acuate teeth along outer margin. Tarsi shorter and thinner. Type material. Holotype: CHINA: Guizhou: ♂ (SWUC, ex QCCC, No. 536), 11.VIII. 2012, Maolan National Nature Reserve, Libo County, alt. 870 m, Jian-Yue Qiu & Hao Xu leg. Paratypes (3): 1 ♂ (QCCC, No. 537), 12.VIII. 2012, ibid., alt. 740 m, Jian-Yue Qiu & Hao Xu leg. 1 ♀ (QCCC, No. 539), 24.VII. 2013, ibid., alt. 830 m, Jian-Yue Qiu & Hao Xu leg. 1 ♀ (SWUC, ex GUGC), VII. 2011, ibid., no collector recorded. Comments on type material. Both the holotype and the male paratype were found dead in several pieces and later reassembled. The deflexed tooth of the holotype is worn down but that of the male paratype is intact. The male paratype is incomplete: protarsi, left mesoleg, left metaleg, and right metatibia are incomplete; head and right metatarsus are lost. Etymology. It is named for the Maolan National Nature Reserve where the type series was collected. Distribution. China: Guizhou. Natural history. The male paratype was found under the same pear tree where C. nigripedis was collected. The female paratype were observed feeding on sap on a branch of Quercus species where C. decliva was also found (Fig. 172).Published as part of Qiu, Jian-Yue, Xu, Hao & Hu, Chun-Lin, 2013, Revision of the subgenus Cosmiomorpha (Cosmiomorpha) (Coleoptera: Scarabaeidae: Cetoniinae), pp. 401-434 in Zootaxa 3745 (4) on pages 422-424, DOI: 10.11646/zootaxa.3745.4.1, http://zenodo.org/record/24736
Reconsideration of the taxonomic status of Bulbophyllum obtusangulum (Orchidaceae) from southern China
No full textLi, Lin, Hu, Ai-Qun, Wu, Qiu-Ping, Wu, Kun-Lin, Fang, Lin, Zeng, Song-Jun (2021): Reconsideration of the taxonomic status of Bulbophyllum obtusangulum (Orchidaceae) from southern China. Phytotaxa 494 (2): 219-224, DOI: 10.11646/phytotaxa.494.2.4, URL: http://dx.doi.org/10.11646/phytotaxa.494.2.
A new species of Lophophysema (Porifera, Hexactinellida, Hyalonematidae) from the South China Sea
No full textGong, Lin, Li, Xinzheng, Qiu, Jian-Wen (2014): A new species of Lophophysema (Porifera, Hexactinellida, Hyalonematidae) from the South China Sea. Zootaxa 3884 (6): 553-560, DOI: 10.11646/zootaxa.3884.6.
Sensitivity analysis of a lightweight rear differential unit on ride comfort of a sport utility vehicle
No full textCosmiomorpha (Cosmiomorpha) cheni Qiu
No full textCosmiomorpha (Cosmiomorpha) cheni Qiu & Xu, new species (Figs. 7, 33–34, 47, 60, 75, 149–150, 157, 164, 171) Diagnosis. This species is similar to C. decliva, but the subrectangular clypeus serves to differentiate it (Figs. 33– 34), and scales on the dorsal surface are long and evident (Fig. 75). Holotype. (male). TL: 22.0 mm, TW: 11.0 mm, CW/CL: 1.23. Head: Black, flat, vertex with a slightly raised longitudinal ridge; with two dark brown, poorly-defined areas located in the basal portion of clypeus; surface densely microsculptured; punctures small, round, or elliptical; few punctures with sparse, radially distributed, long scales. Clypeus subrectangular, anterior margin slightly raised. Gula smooth (Fig. 34). Antenna dark brown. Pronotum: Orange red with a black area on disc and two small, black elliptical maculae near the lateral margins respectively; dorsal surface with numerous setiferous punctures; puctures sparser, larger, deeper on disc; scales long, linear, yellow (Fig. 75); margins smooth, black. Scutellum: Black, with sparse setiferous punctures; scales long, yellow. Elytra: Orange red with humeral umbone, basal and anteromesal portion, sutural costa black; with numerous setiferous punctures, punctures denser and scales longer on postdiscal portion. Sternum: Clad with linear, yellow scales, long and dense on mesosternum and both sides of metasternum. Mesosternal process glabrous, thin, suddenly narrowed in the middle; apex rounded (Fig. 7). Pygidium: Orange red, rugose, with sparse, long, yellow scales. Abdomen: Color gradually from black to orange red; the sternites 2–6 with numerous, linear scales except for medial area; medial area with sparse, setiferous punctures, scales inapparent; last sternite almost glabrous, with a row of yellow setae along posterior margin. Legs: Coxae and trochanters black. Coxae densely clad with linear scales. Trochanters glabrous. Ventral surface of femora orange red with peripheral margins black; covered with short, sinuous striolae and sparse, linear yellow scales. Tibiae orange red with apical portion black; with numerous punctures and sparse, short, yellow scales. Protibia slim, a dark brown spot on the apical portion (Fig. 47); a row of mastoid teeth on ventral surface; deflexed tooth short and blunt (Fig. 60); three teeth along the outer margin of which proximal tooth reduced, the distance between the middle and proximal teeth about 1.3 times the distance between distal and middle teeth; spur very small. Mesotibia and metatibia with a blunt spine in the middle of outer margin; a row of sparse, brush-like, yellow setae along inner margin. Tarsi orange red; apical portion of each tarsomere dark brown (Fig. 149). Protarsus thin; basitarsus slightly clavate. Pretarsi black. Parameres: Elongate, outer margins nearly parallel, proximal part slightly expanded in apical view; apex pointed with a small tuft of straight, golden setae. Female. Unknown. Type material. Holotype: CHINA: Yunnan: ♂ (SWUC, ex QCCC, No. 542), 21.VII. 2002, Gulinqing National Nature Reserve, Maguan County, Wenshan Prefecture, Zhe Li leg. Etymology. This species is named in honor of the Chinese entomologist Kan-Fan Chen (1904–1981). Chen was a pioneer in the study of Chinese Cicadidae (Insecta: Hemiptera) from 1933–1981. He worked at the University of Nanking (1933–1957) and at Zhejiang Agricultural University (1957–1975), and collected many of the Cetoniines specimens preserved at NJAU. Distribution. China: Yunnan.Published as part of Qiu, Jian-Yue, Xu, Hao & Hu, Chun-Lin, 2013, Revision of the subgenus Cosmiomorpha (Cosmiomorpha) (Coleoptera: Scarabaeidae: Cetoniinae), pp. 401-434 in Zootaxa 3745 (4) on pages 424-426, DOI: 10.11646/zootaxa.3745.4.1, http://zenodo.org/record/24736
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