Tylenchorhynchus microdorus Geraert 1966
Tylenchorhynchus microdorus Geraert, 1966. Dimensions: Females (n = 25): L = 0.62 mm (0. 58 -0.71); a = 24 (22 -26); b = 5.0 (4.5- 5.7); c = 12.3 (10.6-14.8); V = 56 (54-59); d = 34 (27-38); G 2 = 30 (25- 36); spear = 13 jx (12-15). Males (n = 25): L = 0.61 mm (0.52-0.73); a = 27(23-31);b = 5.1 (4.3...
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1971
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ftzenodo:oai:zenodo.org:8152846 2023-07-30T04:07:07+02:00 Tylenchorhynchus microdorus Geraert 1966 P. A. A. LOOF 1971-12-31 https://zenodo.org/record/8152846 https://doi.org/10.5281/zenodo.8152846 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C67B2BB43BFFC7FF75FCABFE5F3822 doi:10.5281/zenodo.8152982 http://publication.plazi.org/id/FFFF0353B41DFFEFFFD1FFF5FF8B397A https://sibils.text-analytics.ch/search/collections/plazi/03C67B2BB43BFFC7FF75FCABFE5F3822 doi:10.5281/zenodo.8152845 https://zenodo.org/communities/biosyslit https://zenodo.org/record/8152846 https://doi.org/10.5281/zenodo.8152846 oai:zenodo.org:8152846 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 39-41 Biodiversity Taxonomy Animalia Nematoda Chromadorea Rhabditida Dolichodoridae Tylenchorhynchus Tylenchorhynchus microdorus info:eu-repo/semantics/other publication-taxonomictreatment 1971 ftzenodo https://doi.org/10.5281/zenodo.815284610.5281/zenodo.815298210.5281/zenodo.8152845 2023-07-18T23:06:47Z Tylenchorhynchus microdorus Geraert, 1966. Dimensions: Females (n = 25): L = 0.62 mm (0. 58 -0.71); a = 24 (22 -26); b = 5.0 (4.5- 5.7); c = 12.3 (10.6-14.8); V = 56 (54-59); d = 34 (27-38); G 2 = 30 (25- 36); spear = 13 jx (12-15). Males (n = 25): L = 0.61 mm (0.52-0.73); a = 27(23-31);b = 5.1 (4.3 -5.7); c = 10.7 (9. 5 -11.4); T = 55 (47 -62); spear = 14 jx (12-15); spicules = 23 u. (21- 26). This species strongly resembles T.nanus Allen, 1955. It is, on the average, longer and less slender, the spear in the male is distinctly longer, and the phasmids lie more posterior, in the Spitzbergen females at 49 % (41-60) of tail length. Moreover the tail is relatively shorter; in the Spitzbergen females it measures 2.8 (2.5-3.5) anal body widths, in the males 3.6 (2.9 -4.8). The lateral field shows the punctation described as differentiating character by Geraert, but it should be noted that occasionally this may be found in isolated specimens of other nematode species as well. It is difficult to say whether in the Spitzbergen females the tail tip is striated or not; at any rate it is not so conspicuously smooth as in T. brevidens, but distinct annules were not visible either. The median bulb lies just anterior to the middle of the oesophagus (47 (43 -49)%). This species seems further to differ from T. nanus by the lower lip region with less than seven annules; in fact, the lip region is conspicuously low, more so than in T. nanus judging after Allen's illustration. Samples 30 (one specimen), 53 and 54 (dominant in both). In sample 17 one female was found agreeing generally with T. microdorus, but with a spear length of 17 [x, which might suggest that it belongs to T.nothus Allen, 1955. Dimensions: L = 0.69 mm; a = 28; b = 5.7; c = 13; V = 27 5229; median bulb at 48 % of neck length; T /ABW = 3.2. The only difference is the anterior position of the phasmids (35 % of tail length) which is different from both nothus and microdorus. Published as part of P. A. A. LOOF, 1971, FREELIVING AND PLANT PARASITIC NEMATODES FROM ... Other/Unknown Material Spitzbergen Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Rhabditida Dolichodoridae Tylenchorhynchus Tylenchorhynchus microdorus |
spellingShingle |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Rhabditida Dolichodoridae Tylenchorhynchus Tylenchorhynchus microdorus P. A. A. LOOF Tylenchorhynchus microdorus Geraert 1966 |
topic_facet |
Biodiversity Taxonomy Animalia Nematoda Chromadorea Rhabditida Dolichodoridae Tylenchorhynchus Tylenchorhynchus microdorus |
description |
Tylenchorhynchus microdorus Geraert, 1966. Dimensions: Females (n = 25): L = 0.62 mm (0. 58 -0.71); a = 24 (22 -26); b = 5.0 (4.5- 5.7); c = 12.3 (10.6-14.8); V = 56 (54-59); d = 34 (27-38); G 2 = 30 (25- 36); spear = 13 jx (12-15). Males (n = 25): L = 0.61 mm (0.52-0.73); a = 27(23-31);b = 5.1 (4.3 -5.7); c = 10.7 (9. 5 -11.4); T = 55 (47 -62); spear = 14 jx (12-15); spicules = 23 u. (21- 26). This species strongly resembles T.nanus Allen, 1955. It is, on the average, longer and less slender, the spear in the male is distinctly longer, and the phasmids lie more posterior, in the Spitzbergen females at 49 % (41-60) of tail length. Moreover the tail is relatively shorter; in the Spitzbergen females it measures 2.8 (2.5-3.5) anal body widths, in the males 3.6 (2.9 -4.8). The lateral field shows the punctation described as differentiating character by Geraert, but it should be noted that occasionally this may be found in isolated specimens of other nematode species as well. It is difficult to say whether in the Spitzbergen females the tail tip is striated or not; at any rate it is not so conspicuously smooth as in T. brevidens, but distinct annules were not visible either. The median bulb lies just anterior to the middle of the oesophagus (47 (43 -49)%). This species seems further to differ from T. nanus by the lower lip region with less than seven annules; in fact, the lip region is conspicuously low, more so than in T. nanus judging after Allen's illustration. Samples 30 (one specimen), 53 and 54 (dominant in both). In sample 17 one female was found agreeing generally with T. microdorus, but with a spear length of 17 [x, which might suggest that it belongs to T.nothus Allen, 1955. Dimensions: L = 0.69 mm; a = 28; b = 5.7; c = 13; V = 27 5229; median bulb at 48 % of neck length; T /ABW = 3.2. The only difference is the anterior position of the phasmids (35 % of tail length) which is different from both nothus and microdorus. Published as part of P. A. A. LOOF, 1971, FREELIVING AND PLANT PARASITIC NEMATODES FROM ... |
format |
Other/Unknown Material |
author |
P. A. A. LOOF |
author_facet |
P. A. A. LOOF |
author_sort |
P. A. A. LOOF |
title |
Tylenchorhynchus microdorus Geraert 1966 |
title_short |
Tylenchorhynchus microdorus Geraert 1966 |
title_full |
Tylenchorhynchus microdorus Geraert 1966 |
title_fullStr |
Tylenchorhynchus microdorus Geraert 1966 |
title_full_unstemmed |
Tylenchorhynchus microdorus Geraert 1966 |
title_sort |
tylenchorhynchus microdorus geraert 1966 |
publishDate |
1971 |
url |
https://zenodo.org/record/8152846 https://doi.org/10.5281/zenodo.8152846 |
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 39-41 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C67B2BB43BFFC7FF75FCABFE5F3822 doi:10.5281/zenodo.8152982 http://publication.plazi.org/id/FFFF0353B41DFFEFFFD1FFF5FF8B397A https://sibils.text-analytics.ch/search/collections/plazi/03C67B2BB43BFFC7FF75FCABFE5F3822 doi:10.5281/zenodo.8152845 https://zenodo.org/communities/biosyslit https://zenodo.org/record/8152846 https://doi.org/10.5281/zenodo.8152846 oai:zenodo.org:8152846 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.815284610.5281/zenodo.815298210.5281/zenodo.8152845 |
_version_ |
1772820240052256768 |