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106 results for “Trachusa”
Figure 7 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 7 Dorsal view of the apical margin of T6 in the five species of the Trachusa pubescens complex. The dotted line is added to show the relative length of the median projection in relation to the lateral projections. Arrows indicate distinguishing features.
Figure 8 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 8 Dorsal view of the apex of the median projection of T7 in the five species of the Trachusa pubescens complex.
Figure 3 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 3 Principal Component Analysis (PCA) of 26 morphometric characters (males) of those OUs of the Trachusa pubescens complex whose members are characterised by an emarginate clypeus and subacute lateral projections on T6.
Figure 6 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 6 Comparison of the clypeus index (clypeus width / clypeus length) in males of the five species of the Trachusa pubescens complex. Abbreviations: bal = T. balcanica sp. n.; hak = T. hakkariensis sp. n.; max = T. maxima; pub = T. pubescens; ver = T. verhoeffi.
Linked collectors and determiners for: Overview of the bee genus Trachusa Panzer, 1804 (Hymenoptera: Apoidea Megachilidae: Anthidiini) from China with description of three new species.
Natural history specimen data linked to collectors and determiners held within, "Overview of the bee genus Trachusa Panzer, 1804 (Hymenoptera: Apoidea Megachilidae: Anthidiini) from China with description of three new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/057c438d-59af-40d6-84b8-77bf28b7dcb9">https://bionomia.net/dataset/057c438d-59af-40d6-84b8-77bf28b7dcb9</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/057c438d-59af-40d6-84b8-77bf28b7dcb9">https://gbif.org/dataset/057c438d-59af-40d6-84b8-77bf28b7dcb9</a>. Formatted as a Frictionless Data package.
FIGURES 27–33 in Nesting biology and immatures of the oligolectic bee Trachusa larreae (Apoidea: Megachilidae: Anthidiini)
FIGURES 27–33. Microphotographs of two cells from which closure had been removed before defecation had started. 27. With the cell maintained in a vertical position in the laboratory during defecation, the larva still applied most feces to the anterior end of the cell resulting in this display. It demonstrates that the stimulus to the larva as to where to place feces is obviously not gravitational in nature and suggests that cell shape and/ or texture of the inside of the cell closure (despite the fact the closure had been removed earlier) might be the stimulus (as had been suggested by Cooper, 1957). 28. Same cell, 3 days later, larva now adding abundant silk forming base of nipple; note outer cocoon layer, layer of pale anal discharge, and thick base of nipple. 29. Same cell, 2 hr later, showing white silk of outer dome. 30. Same cell, one day later, dome of nipple now complete with color mostly changed. 31. Same, four day later, final coloring; note conspicuous display of finegrained, pale-yellow discharge surrounding nipple. 32. On another cell (cell opening misshaped) dome partly constructed, still white. 33. Same cell, 12 hr later, fibers now reddish.
Figure 12 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 12 Males of the five species of the Trachusa pubescens complex in lateral view.
Figure 14 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 14 Clypeus and mandibles of the males of the five species of the Trachusa pubescens complex.
Figure 13 from: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581
Figure 13 Trachusa balcanica sp. n., semi-melanistic individual from Greece.
FIGURE 44. Metasomal terga 1–3 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 44. Metasomal terga 1–3 showing extent of lateral bands (dark region). Arrows indicate inner ends of lateral bands on T2 and T3. Left: Trachusa grandicornis sp. n. Right: representation characteristic of T. anatolica sp. n., T. interrupta and T. taurica sp. n.
FIGURE 4 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 4. Trachusa anatolica sp. n., female paratypes from Nemrut Dağı, Bitlis province (Turkey). Note the partly yellow pronotal lobe, the large yellow maculation on the gena and the short erect pubescence on vertex and scutum.
FIGURE 29 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 29. Distribution of Trachusa interrupta, T. maghrebensis sp. n. and T. varia. A record of T. interrupta from Hotan, China, which is far outside the known range and in need of confirmation is not shown on the map. The dotted lines show the limits of Operational Units (OUs) of T. interrupta which were defined for testing population differences. Ukraine was not assigned to an OU as the test was based on males only and only a female is known from there.
FIGURE 2 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 2. Schematic presentation of the various patterns of yellow maculation of scutum, scutellum and mid-femur found in the species of the Trachusa interrupta complex and its allocation to numerical values as used in the analysis (Table 3). For the middle femur, the lower end in the image is basal and the upper end is distal. Black represents light maculations.
FIGURE 40 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 40. Trachusa varia. Female from Melilla, the Spanish enclave in Morocco, in the collection Mavromoustakis.
FIGURE 28 in Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species
FIGURE 28. Differences in the antenna lengths between various Operational Units (OUs) of Trachusa interrupta. The OUs are shown in Fig. 29. The y-axis gives the average length of antennal segments Sg4–Sg6.
Figure 8 in A new species in the Trachusa ovata species group (Hymenoptera: Apoidea) from Peninsular Malaysia with an overview of the old-world species within the genus Trachusa
Figure 8. Abdominal terga of Trachusa tenebrosa sp. n. (left) and T. ovata (right). Note the denser punctation with larges punctures in T. ovata.
Figure 7 in A new species in the Trachusa ovata species group (Hymenoptera: Apoidea) from Peninsular Malaysia with an overview of the old-world species within the genus Trachusa
Figure 7. Punctation of T2 of Trachusa tenebrosa sp. n. (left) and T. ovata (specimen from SEMC; right). Note the finer punctation with wider interstices and the broader impunctate apical margin in T. tenebrosa sp. n.
Figure 4 in A new species in the Trachusa ovata species group (Hymenoptera: Apoidea) from Peninsular Malaysia with an overview of the old-world species within the genus Trachusa
Figure 4. Mandibles of the females of Trachusa tenebrosa sp. n. (left) and T. ovata (right). The apical tooth is broader, and the inner teeth merged to a tooth ridge in T. tenebrosa as compared to T. ovata.
Figure 6 in A new species in the Trachusa ovata species group (Hymenoptera: Apoidea) from Peninsular Malaysia with an overview of the old-world species within the genus Trachusa
Figure 6. Wings of Trachusa tenebrosa sp. n. (female holotype, top), T. ovata (female holotype, below). – Photographs by the author and D. Notton, NHMUK.
FIGURE 3 in Overview of the bee genus Trachusa Panzer, 1804 (Hymenoptera: Apoidea Megachilidae: Anthidiini) from China with description of three new species
FIGURE 3. Trachusa (Orthanthidium) formosana (Friese, 1917), A–H, male. A: Body in lateral view; B: Head in frontal view; C: Mesosoma in dorsal view; D: T1–T3 in dorsal view; E: T4–T6 in dorsal view; F: Metasoma in ventral view; G: Genitalia in lateral view; H: Genitalia in ventrolateral view. Scale bars: 1.0 mm.
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