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Figure 4. Dasypus punctatus. A in Dental enamel structure in long-nosed armadillos (Xenarthra: Dasypus) and its evolutionary implications
Figure 4. Dasypus punctatus. A, cross-section parallel to the occlusal plane of a deciduous molariform. B, C, photomicrographs of the deciduous molariform, taken with the scanning electron microscope, showing the enamel layer (E). D, cross-section parallel to the occlusal plane of a permanent molariform. E, F, photomicrographs of the permanent molariform, taken with the scanning electron microscope, showing detail of the enamel layer. Abbreviations: D, dentine; E, enamel; EDJ, enamel– dentine junction; white arrowheads show incremental lines.
Figure 2. Dasypus novemcinctus. A, B in Dental enamel structure in long-nosed armadillos (Xenarthra: Dasypus) and its evolutionary implications
Figure 2. Dasypus novemcinctus. A, B, general view of a deciduous molariform (A) and a permanent molariform (B), showing detail of a section parallel to the occlusal plane. The dotted line indicates the extent of the vestigial enamel (VE) in A, and the enamel (E) in B. C, D, photomicrographs of the deciduous molariform, taken with the scanning electron microscope, showing the VE without a crystalline structure. E, enamel layer on a permanent tooth. F, G, details of the indicated areas in E. Abbreviations: D, dentine; E, enamel; EDJ, enamel–dentine junction; IPM, interprismatic matrix; P, prisms; VE, vestigial enamel; white arrowheads show incremental lines.
FIGURE 14 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 14. Lateral-diagonal view of head of Phalacromyrmex sp., from Brazil, showing position of antennal sockets on head capsule. In Phalacromyrmex, the antennal socket is located up-side down in a way similar to that of Tatuidris. Photo courtesy of R. Feitosa.
FIGURE 12 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 12. PC scores for specimens included in this analysis. Symbols represent different pilosity patterns. Circles = pilosity pattern A (similar to type series). Crosses = pilosity pattern B. Triangles = pilosity pattern C. X's = pilosity pattern D.
FIGURE 11 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 11. Linear regression between genetic distance (pairwise divergence) and geographic distance.
FIGURE 13 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 13. Map of localities of specimens included in this study. Black diamonds represent localities from which specimens included in the CO1 DNA barcodes analysis were obtained. Circled stars represent type localities from the two previously know species (e.g. Tatuidris tatusia Brown and Kempf, and Tatuidris kapasi Lacau and Groc syn. nov.).
FIGURE 10 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 10. Neighbor joining tree based on K2P distances for 28 Tatuidris specimens and four other ant taxa (Paraponera clavata, Probolomyrmex sp., Proceratium avium and Strumigenys coveri) as outgroups. Labels consist of countries, first division, localities, and specimen IDs. Specimens with no color present a pilosity pattern "A", similar to the type series. Specimens with pilosity pattern "B" are highlighted in light blue. Specimens with pilosity pattern "D" are highlighted in yellow. No specimen with pilosity pattern "C" was available for sequencing. Asterisks above nodes represent nodes with>70% bootstrap support (999 repetitions). The tree is drawn to scale, with branch lengths in the same units as those of the genetic divergence inferred using the K2P model.
FIGURE 8. Tatuidris tatusia. Specimens showing pilosity pattern C. A in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 8. Tatuidris tatusia. Specimens showing pilosity pattern C. A) Full face and B) lateral view of T. tatusia from Puntarenas, Costa Rica.
FIGURE 7. Tatuidris tatusia. Specimens showing pilosity pattern B. A–C in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 7. Tatuidris tatusia. Specimens showing pilosity pattern B. A–C) Full face, lateral and dorsal view of T. tatusia from Caves Branch, Belize; D–F) Full face, lateral and dorsal view of T. tatusia from Belmopan, Belize; G–I) Full-face, lateral and dorsal view of T. tatusia from Maquipucuna, Ecuador. Images G–I courtesy of antweb.org.
FIGURE 9. Tatuidris tatusia. Specimens showing pilosity pattern D. A–C in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 9. Tatuidris tatusia. Specimens showing pilosity pattern D. A–C) Full face, lateral and dorsal view of T. tatusia from Los Tuxtlas, Mexico; D–F) Full face, lateral and dorsal view of T. tatusia from Chiapas, Mexico; G–I) Full face, lateral and dorsal view of T. tatusia from Magdalena, Colombia.
FIGURE 6. Tatuidris tatusia and specimens showing pilosity pattern A. A–C in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 6. Tatuidris tatusia and specimens showing pilosity pattern A. A–C) Full face, lateral and dorsal view of T. tatusia from Matagalpa, Nicaragua; D–F) Full face, lateral and dorsal view of T. tatusia from Otongachi, Ecuador; G–I) Full face, lateral and dorsal view of T. tatusia from Maquipucuna, Ecuador; J–L) Full-face, lateral and dorsal view of T. tatusia from Cuzco, Peru. Images A–C and J–L courtesy of antweb.org.
FIGURE 4 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 4. Images of Tatuidris tatusia male from Chiriqui, Panama. Specimen CASENT 0102681. A) Dorsal view; B) Head in full face view; C) Detail of the wings; D) Lateral view of the body. All images courtesy of antweb.org.
FIGURE 3 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 3. Images of Tatuidris tatusia gyne from Otongachi, Ecuador. Specimen CASENT 0178881. A) Dorsal view; B) Head in full face view; C) Detail of the wings; D) Lateral view of the body. All images courtesy of antweb.org.
FIGURE 2. Tatuidris tatusia type series, showing pilosity pattern A. A–D in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 2. Tatuidris tatusia type series, showing pilosity pattern A. A–D) Full face view, lateral view, dorsal view, and label of T. tatusia Holotype; E–G) Full face view, lateral view, dorsal view, and label of T. tatusia Paratype (MCZ collection Type locality: El Salvador [Brown and Kempf 1968]). Images A–D courtesy of antweb.org.
FIGURE 1 in Additions to the taxonomy of the armadillo ants (Hymenoptera, Formicidae, Tatu i dri s)
FIGURE 1. SEM images of Tatuidris tatusia external morphology. A) Head in (partial) full-face view; B) lateral view of the body; C) mandibular setae; D) close-up of mandible setae.
Data from: Molecular systematics of armadillos (Xenarthra, Dasypodidae): contribution of maximum likelihood and Bayesian analyses of mitochondrial and nuclear genes
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Data from: Retroposed elements and their flanking regions resolve the evolutionary history of xenarthran mammals (armadillos, anteaters, and sloths)
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Data from: Ancient DNA from the extinct South American giant glyptodont Doedicurus sp. (Xenarthra: Glyptodontidae) reveals that glyptodonts evolved from Eocene armadillos
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Data from: Molecular phylogenetics unveils the ancient evolutionary origins of the enigmatic fairy armadillos
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Armadillo detections in Northwest Arkansas
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