Achromadora tenax Micoletzky 1925
Achromadora tenax (de Man, 1876) Micoletzky, 1925 ( Fig. 17, C - D). Dimensions of 15 females: L = 0.38 -0.42 mm; a = 23 -27; b = 5.7-6.3; c = 6. 1- 7. 3; V = 46-48. Head end more rounded, less obviously truncated than in most other species of this genus. Mouth cavity weakly sclerotized, its details...
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1971
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ftzenodo:oai:zenodo.org:8152896 2023-07-30T04:07:07+02:00 Achromadora tenax Micoletzky 1925 P. A. A. LOOF 1971-12-31 https://zenodo.org/record/8152896 https://doi.org/10.5281/zenodo.8152896 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C67B2BB42BFFD9FF7BFE59FD713DCC doi:10.5281/zenodo.8152982 http://publication.plazi.org/id/FFFF0353B41DFFEFFFD1FFF5FF8B397A https://sibils.text-analytics.ch/search/collections/plazi/03C67B2BB42BFFD9FF7BFE59FD713DCC doi:10.5281/zenodo.8153018 doi:10.5281/zenodo.8152895 https://zenodo.org/communities/biosyslit https://zenodo.org/record/8152896 https://doi.org/10.5281/zenodo.8152896 oai:zenodo.org:8152896 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN, pp. 1-86 in Mededelingen Landbouwhogeschool Wageningen 71 55 Biodiversity Taxonomy Animalia Nematoda Chromadorea Chromadorida Achromadoridae Achromadora Achromadora tenax info:eu-repo/semantics/other publication-taxonomictreatment 1971 ftzenodo https://doi.org/10.5281/zenodo.815289610.5281/zenodo.815298210.5281/zenodo.815301810.5281/zenodo.8152895 2023-07-18T23:06:31Z Achromadora tenax (de Man, 1876) Micoletzky, 1925 ( Fig. 17, C - D). Dimensions of 15 females: L = 0.38 -0.42 mm; a = 23 -27; b = 5.7-6.3; c = 6. 1- 7. 3; V = 46-48. Head end more rounded, less obviously truncated than in most other species of this genus. Mouth cavity weakly sclerotized, its details indistinct. Amphids rather inconspicuous, spiral; located about 14 \i (more than two head widths) from anterior end. Cuticular annulation resolvable into dots. Terminal bulb of oesophagus strongly developed. Vulva lips somewhat protruding. Cephalic setae very short and inconspicuous, directed almost laterad. Tail bent strongly ventrad, often 180 °; its length equal to 5.5- 7.3 anal body widths. Rectum 2.3-3. 1 anal body widths long, its anterior half strongly inflated. Spinneret tube tapering, about 2 JA long. Samples 3, 7, 8, 10, 21, 26, 27, 29, 30, 31, 32, 37, 38, 40, 41, 55, 62, 66 and 69. Generally A. tenax is regarded a synonym of A.dubia (Bütschli, 1873). However, the identity of the latter is wholly uncertain, because the original description is totally inadequate. Bütschli did not give any dimensions; he only gave an illustration of the head end, showing a transversely oval amphid with central spot; and rather long cephalic setae, directed obliquely anteriad. Transverse striation of cuticle strongly developed. I regard this species as species dubia. Micoletzky's redescription (1925) states that the mouth cavity possesses three teeth, the amphids are apparently round, but really spiral. Cephalic setae short and fragile. It is better to call this species by the next available synonym, tenax (de Man, 1876). The Spitzbergen specimens conform rather well to de Man's description except that the head end is less truncate. Published as part of P. A. A. LOOF, 1971, FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN, pp. 1-86 in Mededelingen Landbouwhogeschool Wageningen 71 on page 55, DOI:10.5281/zenodo.8152982 Other/Unknown Material Spitzbergen Zenodo |
institution |
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collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Chromadorida Achromadoridae Achromadora Achromadora tenax |
spellingShingle |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Chromadorida Achromadoridae Achromadora Achromadora tenax P. A. A. LOOF Achromadora tenax Micoletzky 1925 |
topic_facet |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Chromadorida Achromadoridae Achromadora Achromadora tenax |
description |
Achromadora tenax (de Man, 1876) Micoletzky, 1925 ( Fig. 17, C - D). Dimensions of 15 females: L = 0.38 -0.42 mm; a = 23 -27; b = 5.7-6.3; c = 6. 1- 7. 3; V = 46-48. Head end more rounded, less obviously truncated than in most other species of this genus. Mouth cavity weakly sclerotized, its details indistinct. Amphids rather inconspicuous, spiral; located about 14 \i (more than two head widths) from anterior end. Cuticular annulation resolvable into dots. Terminal bulb of oesophagus strongly developed. Vulva lips somewhat protruding. Cephalic setae very short and inconspicuous, directed almost laterad. Tail bent strongly ventrad, often 180 °; its length equal to 5.5- 7.3 anal body widths. Rectum 2.3-3. 1 anal body widths long, its anterior half strongly inflated. Spinneret tube tapering, about 2 JA long. Samples 3, 7, 8, 10, 21, 26, 27, 29, 30, 31, 32, 37, 38, 40, 41, 55, 62, 66 and 69. Generally A. tenax is regarded a synonym of A.dubia (Bütschli, 1873). However, the identity of the latter is wholly uncertain, because the original description is totally inadequate. Bütschli did not give any dimensions; he only gave an illustration of the head end, showing a transversely oval amphid with central spot; and rather long cephalic setae, directed obliquely anteriad. Transverse striation of cuticle strongly developed. I regard this species as species dubia. Micoletzky's redescription (1925) states that the mouth cavity possesses three teeth, the amphids are apparently round, but really spiral. Cephalic setae short and fragile. It is better to call this species by the next available synonym, tenax (de Man, 1876). The Spitzbergen specimens conform rather well to de Man's description except that the head end is less truncate. Published as part of P. A. A. LOOF, 1971, FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN, pp. 1-86 in Mededelingen Landbouwhogeschool Wageningen 71 on page 55, DOI:10.5281/zenodo.8152982 |
format |
Other/Unknown Material |
author |
P. A. A. LOOF |
author_facet |
P. A. A. LOOF |
author_sort |
P. A. A. LOOF |
title |
Achromadora tenax Micoletzky 1925 |
title_short |
Achromadora tenax Micoletzky 1925 |
title_full |
Achromadora tenax Micoletzky 1925 |
title_fullStr |
Achromadora tenax Micoletzky 1925 |
title_full_unstemmed |
Achromadora tenax Micoletzky 1925 |
title_sort |
achromadora tenax micoletzky 1925 |
publishDate |
1971 |
url |
https://zenodo.org/record/8152896 https://doi.org/10.5281/zenodo.8152896 |
genre |
Spitzbergen |
genre_facet |
Spitzbergen |
op_source |
FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN, pp. 1-86 in Mededelingen Landbouwhogeschool Wageningen 71 55 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C67B2BB42BFFD9FF7BFE59FD713DCC doi:10.5281/zenodo.8152982 http://publication.plazi.org/id/FFFF0353B41DFFEFFFD1FFF5FF8B397A https://sibils.text-analytics.ch/search/collections/plazi/03C67B2BB42BFFD9FF7BFE59FD713DCC doi:10.5281/zenodo.8153018 doi:10.5281/zenodo.8152895 https://zenodo.org/communities/biosyslit https://zenodo.org/record/8152896 https://doi.org/10.5281/zenodo.8152896 oai:zenodo.org:8152896 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.815289610.5281/zenodo.815298210.5281/zenodo.815301810.5281/zenodo.8152895 |
_version_ |
1772820242208129024 |