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43 results for “Dolichoderus”
FIGURE 11 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 11. Dolichoderus formosus, worker from Armadale, Western Australia (ANIC32-061196). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 6 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 6. Dolichoderus clusor, neotype worker from Perth, Western Australia (ANIC32-061187). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 7 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 7. Dolichoderus dentatus, syntype worker (ANIC32-015067). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 8 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 8. Dolichoderus doriae, worker from Dawsons Spring, Mt. Kaputar National Park, New South Wales (ANIC32- 037799). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 13 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 13. Dolichoderus goudiei, worker from Maldon, Victoria (ANIC32-060605). A. Front of head; B. Side of body; C. Top of body; D. First gastral tergite; E. Distribution of material examined.
FIGURE 10 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 10. Dolichoderus extensispinus, worker from Boombana National Park, Brisbane, Queensland (ANIC32-061379). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 4 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 4. Dolichoderus canopus, holotype worker (ANIC32-000797). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
FIGURE 1 in Australian species of the ant genus Dolichoderus (Hymenoptera: Formicidae)
FIGURE 1. Dolichoderus albamaculus, paratype worker (ANIC32-0061315). A. Front of head; B. Side of body; C. Top of body; D. Distribution of material examined.
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 4. Side view of the biggest carton nest of the D. sulcaticeps colony (Genting Highlands). The dark parts of the nest wall are wet. Photo: W. Rohe
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 3. Start of nest building at the main vein (with white trophobionts) on the underside of a leaf of Uncaria spec. Photo: W. Rohe
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 2a. Pulling down a carton nest of Dolichoderus sulcaticeps, which took eight days. The colony used the nest material for other nests. Photo: W. Rohe
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 1. A part of the investigated colony of Dolichoderus sulcaticeps (Mayr 1870) on a Uncaria creeper (photo taken in the field). Photo: W. Rohe
A new species of the genus Dolichoderus Lund, 1831 (Hymenoptera, Formicidae) from a Late Eocene European amber. Supplementary file 2
<p>Supplementary file 2: Paleontological reconstruction (3D model) of <em>Dolichoderus jonasi</em> Dubovikoff et Zharkov, 2022 (male). </p>
A new species of the genus Dolichoderus Lund, 1831 (Hymenoptera, Formicidae) from a Late Eocene European amber. Supplementary file 1
<p>Supplementary file 1: Paleontological reconstruction (3D model) of Dolichoderus jonasi Dubovikoff et Zharkov, 2022 (worker)</p>
Paleontological reconstruction (3D model) of Dolichoderus jonasi Dubovikoff et Zharkov, 2022 (male).
<p>Supplementary file 2 from Dubovikoff, D. A., Zharkov, D. M. 2022. A new species of the genus Dolichoderus Lund, 1831 (Hymenoptera: Formicidae) from a Late Eocene European amber. Caucasian Entomological Bulletin 181, 147–152 (doi:10.23885/181433262022181-147152).</p> <p>Abstract. A new species of ants, Dolichoderus jonasi sp. n., from a Late Eocene amber (Rovno and presumably Baltic ambers) of Europe is described from three workers and one male. The new species differs from all known fossil and recent species of the genus by the following set of characters: the presence of thorns on the pronotum, a head tapering to the back with pronounced occipital angles, a dimpled (with numerous pits) sculpture on the head and thorax, the presence of a ridge on the posterior edge of the main surface of the propodeum with a row of large setae, the presence of large straight setae on the body arranged in rows, high and somewhat narrowed to the apex petiole scale. The described species cannot be assigned to any of species groups (complexes) in the genus. The phylogenetic relationships of the new species with other species of the genus are discussed. Based on the studied morphological features, the species is closest to representatives of the debilis complex, widespread in South and Central America. However, it has significant differences and should be considered as the separate jonasi complex. We used computer microtomography methods to study structures inaccessible for optical microscopes and accurate measurements, which made it possible to characterize all diagnostic characters of the new species. Reconstructions of a worker and a male using 3D modeling are presented. The discovery of D. jonasi sp. n. in European Late Eocene amber is another possible evidence of relations between the faunas of Europe and the Americas in the past.</p>
Data (µCT) to "A new species of the genus Dolichoderus Lund, 1831 (Hymenoptera: Formicidae) from a Late Eocene European amber" by Dubovikoff D. and Zharkov D. in Caucasian Entomological Bulletin
<p>This dataset is the µCT scan of the holotype ( worker, JDC10574R) of †Dolichoderus jonasi Dubovikoff & Zharkov, 2022 that was used by Dubovikoff & Zharkov in publication "Dubovikoff, D. A., Zharkov, D. M. 2022. A new species of the genus Dolichoderus Lund, 1831 (Hymenoptera: Formicidae) from a Late Eocene European amber. Caucasian Entomological Bulletin 181, 147–152 (doi:10.23885/181433262022181-147152)."</p><p>Arrays of microtomographic data were obtained at St. Petersburg State University (St. Petersburg, Russia) using a desktop high-resolution X-ray microtomograph SkyScan 1172. The holotype (JDC10574R) was scanned with the following parameters: voltage 40 kV, current 250 µA, without filter, with a pixel size of 2.46 microns and a resolution of 2848 × 2692 pixels per slice with continuous 360° rotation and a shutter speed of 1300 ms per frame (2268 X-ray projections).</p><p>The material is currently deposited in the collection of the Kaliningrad Amber Museum, Kaliningrad, Russia.</p><p> </p>
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 6. Transporting the ball of plant material back to the nest. Photo: W. Rohe
F in Carton nest building and trophobiont manipulation in the south-east Asian ant Dolichoderus sulcaticeps (Mayr 1870) (Hymenoptera: Formicidae)
F. 7. Worker chewing the wet nest wall with her mandibles. Photo: W. Rohe
Figure 1 from: Czechowski W, Trigos-Peral G, Maák I, Vepsäläinen K (2019) Alate gyne of the ant Dolichoderus quadripunctatus (L.) follows foraging trail to aphids (Hymenoptera, Formicidae). Journal of Hymenoptera Research 71: 241-248. https://doi.org/10.3897/jhr.71.36286
Figure 1 Site of observation; in the foreground, the young walnut with aphids, above (along the stairs), the black elder bush. The location of the D. quadripunctatus nest is indicated with an arrow. Photo taken on 16.07.2017 (Tadeusz Berliński).
Figure 2 from: Czechowski W, Trigos-Peral G, Maák I, Vepsäläinen K (2019) Alate gyne of the ant Dolichoderus quadripunctatus (L.) follows foraging trail to aphids (Hymenoptera, Formicidae). Journal of Hymenoptera Research 71: 241-248. https://doi.org/10.3897/jhr.71.36286
Figure 2 Aphids Panaphis juglandis visited by workers and alate gyne of D. quadripunctatus. Photo taken on 16.07.2017 (Tadeusz Berliński).
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