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113 results for “Canthon”
Figure 3 in Nesting behaviour of Canthon unicolor and C. histrio: a new subsocial nesting variation in dung beetles (Coleoptera: Scarabaeidae: Deltochilini)
Figure 3. Brood balls of Canthon unicolor and C. histrio. A) View of the brood ball of C. unicolor coated with the external shield layer, B) Internal morphology of the brood ball of C. unicolor and its external shield layer, C) Brood ball of C. histrio coated with the external shield layer, D) Internal morphology of the brood ball of C. histrio and its external shield layer. Measures: a) total height, b) total equatorial diameter, c) thickness of the shield layer, d) height of brood ball, e) equatorial diameter of brood ball, f) thickness of brood ball layer, g) height of protuberance, h) diameter of protuberance, i) diameter of provision chamber. Scale bar = 1 cm.
Figure 2 in Nesting behaviour of Canthon unicolor and C. histrio: a new subsocial nesting variation in dung beetles (Coleoptera: Scarabaeidae: Deltochilini)
Figure 2. Nests of Canthon unicolor and C. histrio. A) Male and female of C. unicolor near to brood ball, B) Nest of C. histrio with the female covering their brood ball with the shield layer.
Figure 1 in Nesting behaviour of Canthon unicolor and C. histrio: a new subsocial nesting variation in dung beetles (Coleoptera: Scarabaeidae: Deltochilini)
Figure 1. Nesting behaviour of Canthon unicolor and C. histrio. Cycle repeated. In grey, the new phases of the variation of the nesting pattern IV. Comma indicates no cooperation required between sexes; i.e. the activity in question may be performed by either the female or the male alone; addition symbol between the sexes indicates cooperation required; parentheses indicates obligatory activity for females with optional cooperation by male.
PLATE 4. Figures 68–92. Aedeagus. 68. Canthon cyanellus LeConte, 1859. 69. Canthon quinquemaculatus Laporte, 1840. 70 in Morphology and terminology of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) male genitalia
PLATE 4. Figures 68–92. Aedeagus. 68. Canthon cyanellus LeConte, 1859. 69. Canthon quinquemaculatus Laporte, 1840. 70. Canthon aberrans (Harold, 1868). 71. Canthon angularis Harold, 1868. 72. Canthon sp. 73. Eudinopus dytiscoides (Schreibers, 1802). 74. Malagoniella astyanax columbica Harold, 1867. 75. Malagoniella astyanax punctatostriata (Blanchard, 1845). 76. Malagoniella (Megathopomima) puncticollis (Blanchard, 1845). 77. Megathoposoma candezei Harold, 1873. 78. Scarabaeus (Pachysoma) sp. 79. Scarabaeus zambezianus Péringuey, 1901. 80. Sceliages adamastor (LePeletier & Serville, 1828). 81. Sisyphus schaefferi (Linnaeus, 1758). 82. Digitonthophagus gazella (Fabricius, 1787). 83. Onthophagus mirabilis Bates, 1886. 84. Proagoderus brucei Reiche, 1849. 85. Coptodactyla glabricollis (Hope, 1842). 86. Coptorhina excavata Frolov, Akhmetova, & Scholtz, 2008. 87. Anisocanthon villosus (Harold, 1868). 88. Anomiopus sp. 89. Sylvicanthon bridarollii (Martínez, 1949). 90. Deltochilum (Deltohyboma) sp. 1. 91. Deltochilum (Deltohyboma) sp. 2. 92. Dicranocara deschodti Frolov & Scholtz, 2003.
PLATE 7. Figures 130–174. Basal sclerite. 130. Canthon tetraodon Blanchard, 1846. 131 in Morphology and terminology of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) male genitalia
PLATE 7. Figures 130–174. Basal sclerite. 130. Canthon tetraodon Blanchard, 1846. 131. Sylvicanthon bridarollii (Martínez, 1949). 132. Melanocanthon bispinatus (Robinson, 1941). 133. Canthon humectus (Say, 1832). 134. Canthon triangularis (Drury, 1773). 135. Canthon quinquemaculatus Laporte, 1840. 136. Canthon pilularius (Linnaeus, 1758). 137. Canthon violaceus (Olivier, 1789). 138. Canthon bicolor Laporte, 1840. 139. Aulacopris maximus Matthews, 1974. 140. Scybalocanthon moniliatus (Bates, 1887). 141. Eudinopus dytiscoides (Schreibers, 1802). 142. Circellium bacchus (Fabricius, 1781). 143. Bohepilissus subtilis (Boheman, 1857). 144. Diorygopyx tibialis (MacLeay, 1871). 145. Cryptocanthon newtoni Howden, 1976. 146. Paracanthon sp. 147. Demarziella interrupta (Carter, 1936). 148. Coptodactyla lesnei Paulian, 1933. 149. Thyregis kershawi Blackburn, 1904. 150. Pedaria sp. 151. Janssensantus pauliani Scholtz & Howden, 1987. 152. Caccobius megaponerae Brauns, 1914. 153. Canthidium perceptibile Howden & Young, 1981. 154. Bdelyropsis bowditchi (Paulian, 1939). 155. Uroxys rugatus Boucomont, 1928. 156. Digitonthophagus gazella (Fabricius, 1787). 157. Onthophagus mirabilis Bates, 1886. 158. Anomiopsoides heteroclyta (Blanchard, 1845). 159. Ennearabdus lobocephalus Harold, 1868. 160. Eucranium sp. 161. Canthidium sp. 162. Copris dracunculus Ferreira, 1959. 163. Copris incertus Say, 1835. 164. Copris mesacanthus Harold, 1878. 165. Dichotomius bos (Blanchard, 1846). 166. Ontherus sanctaemartae Génier, 1996. 167. Oxysternon palaemon Laporte, 1840. 168. Anachalcos convexus Boheman, 1857. 169. Tesserodon novaehollandiae (Fabricius, 1775). 170. Arachnodes sp. 171. Eurysternus cyanescens Balthasar, 1939. 172. Temnoplectron bornemisszai Matthews, 1974. 173. Mentophilus hollandiae Laporte, 1840. 174. Nanos clypeatus (Laporte, 1840).
PLATE 6. Figures 122–129. Internal sac. 122. Canthon cyanellus LeConte, 1859. 122a. Raspule. 123. Canthon quinquemaculatus Laporte, 1840. 123a. Raspule. 124 in Morphology and terminology of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) male genitalia
PLATE 6. Figures 122–129. Internal sac. 122. Canthon cyanellus LeConte, 1859. 122a. Raspule. 123. Canthon quinquemaculatus Laporte, 1840. 123a. Raspule. 124. Canthon septemmaculatus (Latreille, 1812). 124a. Raspule. 125. Canthon triangularis (Drury, 1773). 125a. Raspule. 126. Scarabaeus canaliculatus Fairmaire, 1888 (Raspule). 127. Scybalocanthon moniliatus (Bates, 1887). 128. Canthon fulgidus Redtenbacher, 1867. 129. Oxysternon palaemon Laporte, 1840.
Figs. 12–17 in Canthon bispinus Germar (Coleoptera: Scarabaeidae): Descriptions of the Third Instar and Pupa
Figs. 12–17. Canthon bispinus. Third instar: 12) Left maxilla, dorsal view; 13) Hypopharynx, dorsal view; 14) Prothoracic leg; 15) Raster. Pupa: 16) Dorsal view; 17) Lateral view.
Figs. 3–11. Canthon bispinus, third instar. 3 in Canthon bispinus Germar (Coleoptera: Scarabaeidae): Descriptions of the Third Instar and Pupa
Figs. 3–11. Canthon bispinus, third instar. 3) Labrum; 4) Epipharynx; 5) Antenna; 6) Right mandible, ventral view; 7) Right mandible, frontal view; 8) Right mandible, dorsal view; 9) Left mandible, dorsal view; 10) Left mandible, frontal view; 11) Left mandible, ventral view. Scale bars = 0.25 mm.
Fig. 4 in The Brood Ball ofCanthon(Canthon)LituratusGermar (Coleoptera: Scarabaeidae: Scarabaeinae) and Its Fossil CounterpartCoprinisphaera cotiaeSánchez and Genise New Ichnospecies, with a Brief Review of South American Fossil Brood Balls
Fig. 4. Fossil brood balls Coprinisphaera cotiae, other South American Coprinisphaera ichnospecies, and Quirogaichnus coniunctus. A) Internal view of the sectioned holotype of C. cotiae (MACN-Icn 2169), B) Top view of the lectotype of C. murguiai (MLR 479b), C) Top-lateral view of a paratype of C. kraglievichi (MLR 319), D) Top view of the holotype of C. lazai (MACN-Icn 2058), E) External view (left) of the holotype of C. kheprii (MACN-Icn 1670) and internal view (right) of one half of a sectioned specimen (MACN-Icn 1417), F) External (left) and internal (right) views of the holotype of C. tonnii (MACN-Icn 1769), G) Internal view of the holotype of C. akatanka (MMP 4046), H) Top-lateral view of the holotype of C. kitu (EPN-Icn 003), I) Holotype of Q. coniunctus (MACN-Icn 2252). Scale bar = 1 cm.
Fig. 3 in The Brood Ball ofCanthon(Canthon)LituratusGermar (Coleoptera: Scarabaeidae: Scarabaeinae) and Its Fossil CounterpartCoprinisphaera cotiaeSánchez and Genise New Ichnospecies, with a Brief Review of South American Fossil Brood Balls
Fig. 3. Brood ball micromorphology. Longitudinal section showing the external wall and the infilling that is mostly composed of dung fibers. Note that both dung fibers (black arrows) and reddish brown flakes (white arrows) are found in the wall and infilling but in different amounts. Scale bar = 450 m.
Fig. 2 in The Brood Ball ofCanthon(Canthon)LituratusGermar (Coleoptera: Scarabaeidae: Scarabaeinae) and Its Fossil CounterpartCoprinisphaera cotiaeSánchez and Genise New Ichnospecies, with a Brief Review of South American Fossil Brood Balls
Fig. 2. Brood and rolled balls of Canthon lituratus. A) External view of the brood ball showing its elongated ovoid shape, B) Longitudinal section of the brood ball showing the egg chamber (white arrow) located in the upper part of the provision and the egg (black arrow), C) Detail of the egg chamber (white arrow) with no lining and interlaced dung fibers in the aeration conduit (black arrow), D) Rolled brood balls slightly covered with soil, E) Rolled brood balls not covered with soil and partially consumed. Scale bar = 1 cm.
Fig. 1 in The Brood Ball ofCanthon(Canthon)LituratusGermar (Coleoptera: Scarabaeidae: Scarabaeinae) and Its Fossil CounterpartCoprinisphaera cotiaeSánchez and Genise New Ichnospecies, with a Brief Review of South American Fossil Brood Balls
Fig. 1. Behavior of Canthon lituratus recorded in situ (A, B), and in a plastic container (C). A) An adult making a ball from horse dung, B) Ball rolling by a single adult, C) Ball rolling by a pair. Scale bar = 1 cm.
Fig. 2 in Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 2. Brood balls and larval development of Canthon quinquemaculatus. A) Ball with a crater-like depression at one pole, scale bar = 2.5 mm, B) External view of a brood ball with a conical protuberance, scale bar = 2.5 mm; note the larval fecal pellets (arrow) with high content of soil material, ejected outside the ball, C) Internal view of a brood ball showing a pharate larva inside the egg chamber, scale bar = 2.5 mm; note that the egg chamber is completely located inside the spherical protuberance, D) External view of a brood ball with a conical, elongate protuberance, scale bar = 2.5 mm, E) Internal view of a brood ball showing the location of the egg chamber at the base of the protuberance, scale bar = 2.5 mm, F) Aeration conduit opening (arrow) seen from the egg chamber, scale bar = 1 mm; note the absence of organic lining, G) Aeration conduit in longitudinal section and the filter of loose soil, scale bar = 1 mm, H) Internal view of a brood ball showing a larva in contact with the provisions, scale bar = 2.5 mm, I) Pupa, scale bar = 2.5 mm, J) Adult, scale bar = 2.5 mm.
Fig. 1 in Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 1. Food relocation and nests of Canthon quinquemaculatus. A) Individuals (arrows) in Tachyphonus coronatus remains, scale bar = 10 mm, B) An individual making a ball with rattlesnake remains, scale bar = 5 mm; note the avoidance of ribs (arrows), C) Rolling positions of male (lower beetle) and female (upper beetle), scale bar = 5 mm, D) Male in headstand position with the hind legs (arrows) extended in the air, scale bar = 5 mm, E) Nesting chamber that contains five brood balls and a female, scale bar = 5 mm, F) Nesting chamber that contains a rolled ball and an incomplete brood ball (arrow), scale bar = 5 mm.
Figs. 1–6. Canthon muticus muticus, third instar. 1 in Canthon (Pseudepilissus) Muticus MuticusHarold, 1868 (Coleoptera: Scarabaeidae): Descriptions of the Third Instar and Pupa
Figs. 1–6. Canthon muticus muticus, third instar. 1) Habitus; 2) Head, frontal view; 3) Labrum; 4) Epipharynx;
Figs. 7–15. Canthon muticus muticus, third instar. 7 in Canthon (Pseudepilissus) Muticus MuticusHarold, 1868 (Coleoptera: Scarabaeidae): Descriptions of the Third Instar and Pupa
Figs. 7–15. Canthon muticus muticus, third instar. 7) Right mandible, ventral view; 8) Right mandible, frontal view; 9) Right mandible, dorsal view; 10) Left mandible, dorsal view; 11) Left mandible, frontal view; 12) Left mandible, ventral view; 13) Right maxilla, dorsal view; 14) Stridulatory teeth of maxilla, dorsal view; 15) Hypopharynx, dorsal view.
Fig. 8 in Taxonomic revision of the South American subgenus Canthon (Peltecanthon) Pereira, 1953 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Fig. 8. Canthon (Peltecanthon) terciae sp. nov., paratype, ♂, Rio Grande do Norte, Baia Formosa, Mata Estrela (CEMT). A. Parameres lateral view. B. Parameres dorsal view. C. Internal sac ventral view. D. Internal sac dorsal view. Abbreviations: see Material and methods.
Fig. 5 in Taxonomic revision of the South American subgenus Canthon (Peltecanthon) Pereira, 1953 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Fig. 5. Canthon (Peltecanthon) splendidus Schmidt, 1922. A–E. Male, Minas Gerais, Barão do Cocais, Mina Gongo Soco (CEMT). A. Dorsal habitus. B. Ventral surface of meso- and metafemora. C. Transverse carina in the hypomeron. D. Carina in the margin between pygidium and propygidium. E. Male protibial spur. F. Female protibial spur, Espírito Santo, Vargem Alta (CEMT).
Fig. 9 in Taxonomic revision of the South American subgenus Canthon (Peltecanthon) Pereira, 1953 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Fig. 9. Canthon (Peltecanthon) terciae sp. nov., paratype, ♂, Rio Grande do Norte, Baia Formosa, Mata Estrela (CEMT). Position of the internal sac sclerites. A. Dorsal view. B. Ventral view. Abbreviations: see Material and methods.
Fig. 4 in Taxonomic revision of the South American subgenus Canthon (Peltecanthon) Pereira, 1953 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Fig. 4. Canthon (Peltecanthon) haroldi Harold, 1867 nom. nov., ♂, Bahia, Igrapiuna (CEMT). A. Parameres lateral view. B. Parameres dorsal view. C. Internal sac ventral view. D. Internal sac dorsal view. Abbreviations: see Material and methods.
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