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32 results for “taxonomic effort”
Figures 21-24 from: Hopkins T, Roininen H, van Noort S, Broad GR, Kaunisto K, Sääksjärvi IE (2019) Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts. ZooKeys 878: 33-71. https://doi.org/10.3897/zookeys.878.37845
Figures 21-24 Epirhyssa leroyi female (paratype RMCA-ENT-000017924). This species was not found in Uganda. 21 Habitus 22 hypostomal flange 23 mesopleuron dorsal margin 24 apical horn of metasoma. Scale bars 1 mm (22–24), 5 mm (21). Figures courtesy of RMCA (Stéphane Hanot).
Figures 14-20 from: Hopkins T, Roininen H, van Noort S, Broad GR, Kaunisto K, Sääksjärvi IE (2019) Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts. ZooKeys 878: 33-71. https://doi.org/10.3897/zookeys.878.37845
Figures 14-20 Epirhyssa johanna female (holotype http://mus.utu.fi/ZMUT.4920), a new species from Uganda. 14 habitus 15 face and clypeus 16 frons 17 hypostomal flange 18 mesopleuron dorsal margin 19 apical horn of metasoma 20 tergites 1–7. Scale bars: 0.5 mm (15–20), 1 mm (14).
Figures 28-31 from: Hopkins T, Roininen H, van Noort S, Broad GR, Kaunisto K, Sääksjärvi IE (2019) Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts. ZooKeys 878: 33-71. https://doi.org/10.3897/zookeys.878.37845
Figures 28-31 Epirhyssa migratoria female (holotype). This species was not found in Uganda. 28 Habitus 29 hypostomal flange 30 mesopleuron dorsal margin 31 apical horn of metasoma. Figure 28 is from van Noort (2019).
Figure 2 from: Hopkins T, Roininen H, van Noort S, Broad GR, Kaunisto K, Sääksjärvi IE (2019) Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts. ZooKeys 878: 33-71. https://doi.org/10.3897/zookeys.878.37845
Figure 2 Diagnostic character traits used in the identification key. A Areolet (Megarhyssa babaulti holotype) B open areolet (http://mus.utu.fi/ZMUT.5788) C subalar prominence flange (http://mus.utu.fi/ZMUT.2520) D subalar prominence without flange and dorsal margin of mesopleuron with flange (http://mus.utu.fi/ZMUT.5853) E dorsal margin of mesopleuron without flange (SAMC SAM–HYM–P048018) F elliptical apical horn of metasoma (http://mus.utu.fi/ZMUT.5766) G half-elliptical apical horn of metasoma (http://mus.utu.fi/ZMUT.5853) H frons without carinae (http://mus.utu.fi/ZMUT.4920) I frons without lateral carinae (http://mus.utu.fi/ZMUT.3234) J striate tergite 3 (http://mus.utu.fi/ZMUT.5788) K punctate tergite 3 (http://mus.utu.fi/ZMUT.5663) L hypostomal carina raised into elevated flange (SAMC SAM–HYM–P048018) M hypostomal carina raised into low flange (E. shaka holotype) N half-elliptical apical horn of metasoma (http://mus.utu.fi/ZMUT.5663) O elliptical apical horn of metasoma (E. shaka holotype). Image A is from van Noort (2019). Image D has been flipped horizontally.
Figure 6 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 6 - Ratio between the number of known and expected species richness in French Guiana. Ratios are based on the number of known species in French Guiana and the number described at the world level (Zhang 2013). Other orders on the right of the histogram with no known species in French Guiana comprise: Mecoptera, Archaeognatha, Zygentoma, Embioptera, Grylloblattodea, Mantophasmatodea, Zoraptera, Phthiraptera, Rhaphidioptera.
Figure 4 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 4 - Proportion of taxonomic contributions according to the status of the authors. a) descriptions of new species (n= 393) and b) new country records of species described from another country (n=344).
Figure 2 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 2 - Cumulative rate of description of species belonging to the French Guiana fauna, for the four most diverse orders and for other excluded orders, from Linné to 2013.
Figure 1 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 1 - Number of described species from the French Guiana fauna by five year period from Linné to 2013.
Figure 5 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 5 - Origins of the holotypes of a sample of 393 species described from French Guiana between 2008 and 2013.
Data from: Island Biogeography, the effects of taxonomic effort and the importance of island niche diversity to single island endemic species
Island biogeography theory is fundamentally reliant on measuring the number of species per island and hence has taxonomy at its foundation. Yet as a metric used in tests of the theory, island species richness (S) has varied with time according to the level of taxonomic effort (a function of the rate of finding and describing species). Studies using a derivative of S, single-island endemic species richness (SIE S), may be prone to change in taxonomic effort. Decreases or increases in species numbers resulting from taxonomic revision or increased sampling are likely to have a large effect on values of SIE S, as they tend to be smaller than total S for the same island. Using simple biogeography models, we analysed estimates of SIE S in plants, land snails, beetles, and fungi from comprehensive data sets for eight island groups, produced species accumulation curves and applied Bayesian regression over five time periods. Explanatory power differed across taxa, but area and island age were not always the best explanatory variables, and niche diversity appeared to be important. Changing levels of SIE S over time had different effects on models with different taxa and between island archipelagos. The results indicated that the taxonomic effort that determines SIE S is important. However, as this cannot often be quantified, we suggest Bayesian approaches should be more useful than frequentist methods in evaluating SIE S in island biogeography theory. Fundamentally, the article highlights the importance of taxonomy to theoretical biogeography.
Figure 3 from: Touroult J, Stéphane B (2014) Insects of French Guiana: a baseline for diversity and taxonomic effort. ZooKeys 434: 111-130. https://doi.org/10.3897/zookeys.434.7582
Figure 3 - Repartition of the 393 new species according to the country of the authors.
Data from: Island Biogeography, the effects of taxonomic effort and the importance of island niche diversity to single island endemic species
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