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214 results for “Odontomachus”
FIGURE 21 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 21. Petiolar node shapes of Odontomachus workers in lateral view. A, node cylindrical (O. xeta sp. nov.); B, node conical (O. haematodus). Dash lines highlighting anterior and posterior face shapes.
FIGURE 43 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 43. Propodeum and posterior face of petiole node of Odontomachus males. A, propodeum coarsely rugose and petiole node with apex acute and ascending striae (O. erythrocephalus); B, Propodeum with striae forming concentrical longitudinal arcs and transversal striae on lateral portion, petiole node with blunt apex without ascending striae (O. meinerti). Arrows pointing to the petiole node sculpturing and dash lines highlighting the petiole node apex shapes.
FIGURE 20 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 20. Pronotum of Odontomachus workers in lateral view. A, posterior portion of ventral margin of pronotum in lateral view with anteriorly curved long hairs, almost as long as the anterior procoxal hairs and propleuron with long erect hairs (O.laticeps); B, posterior portion of ventral margin of pronotum in lateral view without long hairs, propleuron with short decumbent hairs (O. bauri). Vertical arrows indicating the hairs on propleuron and horizontal arrows indicating the hairs on ventral portion of pronotum.
FIGURE 34 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 34. Metascutellum striae of Odontomachus gynes in dorsal view. A, with longitudinal striae weakly impressed (O. laticeps); B, smooth and shining (O. scalptus); C, with longitudinal striae well-marked converging posteriorly (O. caelatus). Arrows pointing to the mesoscutellum.
FIGURE 18 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 18. Anterior face of petiolar nodes of Odontomachus workers in lateral view. A, bluntly angular, vertical anterior margin of petiolar node in lateral view longer than the half-length of petiolar sloping margin (O. chelifer); B, bluntly angular, vertical anterior margin of petiolar node in lateral view shorter than 1/3 length of petiolar sloping margin (O. bradleyi); C, conical (O. meinerti). Dash lines highlighting anterior face shape.
FIGURE 16 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 16. Pronotum shapes and mesonotal striation of Odontomachus workers in lateral view. A, pronotum angular, mesononotum striae curved anteriorly, forming lateral concentric arcs (O. caelatus); B, pronotum in lateral view convex, mesonotum striae not forming concentric arcs (O. scalptus). White squares with lines representing the striation pattern of mesonotum in lateral view and dash lines highlighting pronotum shapes.
FIGURE 23 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 23. Odontomachus workers in lateral view. A, O. biolleyi (CASENT0907425, imaged by: Ziv Lieberman, Source: AntWeb.org. B, O. insularis. Arrows pointing to the petiole node spines.
FIGURE 26 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 26. Metaesternal process of Odontomachus workers in ventral view, middle coxae on superior portion and hind coxae on inferior portion. A, metasternal process forming pair of spines (O. haematodus); B, metaesternal process not forming pair of spines of (O. bauri). Dash lines highlighting the metasternal process shapes.
FIGURE 33 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 33. Pronotal striae of Odontomachus gynes in dorsal view. A, dorsum with striae strongly curved (O. scalptus); B, dorsum with striae dorsum with striae weakly curved (O. meinerti). White squares with lines representing the striation pattern of pronotum in dorsal view.
FIGURE 11 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 11. Ocular prominences of Odontomachus workers in frontal view. A, acute and projecting anteriorly (O. cornutus). Source: MZSP, imaged by: Mônica Ulysséa; B, rounded and not projecting anteriorly (O. mormo). Dash lines highlighting ocular prominence shapes.
FIGURE 14 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 14. Anterior portion of mesosoma of Odontomachus workers in dorsal view. A, central disc of pronotum with curved transverse striae, Mesopleuron without anteroventral rounded lobe (O. affinis); B, central disc of pronotum with striae forming angles anteriorly, Mesopleuron with anteroventral rounded lobe (O. panamensis). White squares with lines representing the striation pattern of pronotum and dash lines highlighting the anterior projection of mesopleuron.
FIGURE 10 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 10. Pronotum of Odontomachus workers in dorsal view. A, central disk smooth and shining (O. hastatus); B, central disk with conspicuous striae (O. davidsoni). Arrows pointing to the central portion of pronotum.
FIGURE 9 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 9. Vertexes of Odontomachus workers in frontal view. A, smooth and shining, nuchal collar present (O. hastatus); B, striate, nuchal collar present (O. davidsoni); C, smooth and shining, nuchal collar absent (O. mormo). Dash lines highlighting occipital carina.
FIGURE 13 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 13. Petiolar nodes of Odontomachus workers in lateral view. A, node with posterior margin rounded and projecting laterally, dorsal portion of anterior face convex (O. allolabis); imaged by: Adrian Troya. B, node with posterior margin at most slightly convex but never projecting laterally; dorsal portion of anterior face straight to slightly concave (O. panamensis). Dash lines highlighting the shape of the dorsal portion of anterior face of petiole node.
FIGURE 8 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 8. Petiole of workers in lateral view. A, pedunculate (O. hastatus); B, sessile (O. affinis). Dash lines highlighting anterior portion of petioles.
FIGURE 22 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 22. Metaesternal process of Odontomachus workers in ventral view, middle coxae on superior portion and hind coxae on inferior portion. A, metasternal process open, posterior border deeply invaginated anteriorly forming two lobes (O. biumbonatus); B, metaesternal process close, cuticle border forming bilobate projections (O. xeta sp. nov.). Dash lines highlighting the metasternal process shapes.
FIGURE 6 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 6. Variation of worker morphology of Odontomachus. In cephalic frontal view A, O. hastatus, mandibles elongated, vertex trapezoidal and long; B, O. chelifer mandibles short, vertex rectangular and short; C, O. bauri mandibles short and vertex trapezoidal. Pronotum in lateral view D, O. hastatus, triangular; E, O. biumbonatus angular; F, O. bauri, rounded. Petiole in lateral view G, O. hastatus, pedunculate and anteriorly elongated; H, O. chelifer sessile and angular; I, O. biumbonatus sessile and cylindrical; J, O. bauri sessile and conical. Gaster in lateral view K, O. hastatus, anterior and dorsal margins continuous forming a single convexity; L, O. chelifer and M, O. bauri, anterior margin straight forming blunt angle with dorsal convex margin. Dash lines and gray area representing shape of each structure. Scale bar = 1mm.
FIGURE 4 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 4. Morphological measurements of Odontomachus. A, cephalic frontal view of worker; mesosoma of worker B, in lateral view and C in dorsal view; D, mesosoma of male in lateral view; E, cephalic frontal view of male; F, forewing in dorsal view. Dash lines representing the measurements. Abbreviations: EL (Eye Length); FL (Hind Femur Length); FWL (Forewing Length); GL (Gaster Length); HL (Head Length); HOW (Head Ocular Width); HVW (Head Vertexal Width); HW (Head Width); IOW (Intra Ocellar Width); ML (Mandible Length); SL (Scape length); OES (Ocellar Eye Space); OW (Ocellar Width); PnW (Pronotum Width); PtH (Petiole Height); PtL (Petiole Length); PtW (Petiole Width); TL (Total Length); WL (Weber's Length).
FIGURE 12 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 12. Heads of Odontomachus workers in cephalic frontal view. A, reduced eyes, scape not reaching the posterior head margin (O. spissus); B, not reduced eyes, scape surpassing the posterior head margin (O. affinis). Dash lines highlighting scape lengths and arrows pointing to the eyes.
FIGURE 25 in Looking at upside-down ants: Taxonomic revision of the Neotropical species of Odontomachus Latreille, 1804 (Hymenoptera: Formicidae: Ponerinae)
FIGURE 25. Mesopleuron of Odontomachus workers in lateral view. A, mesopleuron with anteroventral portion forming acute projection directed ventrally of (O. chicomendesi sp. nov.); B, mesopleuron without anteroventral portion forming acute projection directed ventrally of (O. cupreus sp. nov.). Dash lines highlighting the mesopleuron shape.
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