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294 results for “Onthophagus”
Figures 9–10 in Studies on palearctic Onthophagus associated with burrows of small mammals. IV. A new Iranian species belonging to the furciceps group (Coleoptera, Scarabaeidae, Onthophagini)
Figures 9–10. Onthophagus (Paleonthophagus) psychopompus sp. n. Male, paratype (Iran, Sirdan, Qazvin prov.) and female, paratype (Iran, Saqqez, Kordestan prov.). 9 Dorsum of male 10 Dorsum of female. Photos by A. Ballerio, scanned by G. Fiumi.
Figures 1–7 in Studies on palearctic Onthophagus associated with burrows of small mammals. IV. A new Iranian species belonging to the furciceps group (Coleoptera, Scarabaeidae, Onthophagini)
Figures 1–7. Onthophagus (Paleonthophagus) psychopompus sp. n. Male, holotype, and female, allotype (Iran, Hashtgerd, Tehran prov.). 1 Male: head and pronotum, dorsal view 2 Male: head, frontal view 3 Female: head and pronotum, dorsal view 4 Female: head, frontal view 5 Parameres, lateral view 6 Parameres, dorsal view 7 Lamella copulatrix, ventral side. Drawings by I. Gudenzi.
Figure 4 in Chromosomal separation of difficult species of Copris Geoffroy, 1762 and Onthophagus Latreille, 1802 (Coleoptera, Scarabaeidae), with discussion of O. massai Baraud as a British Pleistocene fossil
Figure 4. Elytral sculpture of Onthophagus fracticornis (a, b) and O. massai (c, d), to show the prominent presetal granules of the interstices in O. fracticornis (white-bordered black arrow) and the prominent perisetal punctures in O. massai (white arrow). a, modern, Šar Planina, Macedonia; b, Bronze Age, Wilsford, Wiltshire, England, age about 4000 years; c, modern, Parco dei Nebrodi, Sicily; d, Last Interglacial, Trafalgar Square, London, age about 120,000 years.
Figure 3 in Chromosomal separation of difficult species of Copris Geoffroy, 1762 and Onthophagus Latreille, 1802 (Coleoptera, Scarabaeidae), with discussion of O. massai Baraud as a British Pleistocene fossil
Figure 3. Mitotic chromosomes of Onthophagus fracticornis (a – l) and O. massai (m, n), arranged as karyotypes. a, c, e, g, i, k, m, plain, b, d, f, h, j, l, n, the same nuclei C-banded. a, b, Spain; c, d, England; e, f, Macedonia, Šar Planina; g, h, Macedonia, Mavrovo National Park, with one B-chromosome and autosome 5 heterozygous for a pericentric inversion; i, j, Czech Republic; k, l, Italy; m, n, Sicily, Piano Zucchi.
Figure 2 in Chromosomal separation of difficult species of Copris Geoffroy, 1762 and Onthophagus Latreille, 1802 (Coleoptera, Scarabaeidae), with discussion of O. massai Baraud as a British Pleistocene fossil
Figure 2. Mitotic chromosomes of Copris hispanus hispanus (a, b) and C. h. cavolinii (c, d) arranged as karyotypes. a, c, plain, b, d, the same nuclei C-banded.
FIGURE 1 in More transcontinental mislabeling in the genus Onthophagus: d’Orbigny’s “ African ” Group 27 (Coleoptera: Scarabaeidae: Scarabaeinae)
FIGURE 1. Dorsal habitus and labels of the primary types. A, F: O. bidentatus and O. bicornis. B, G: O. striatulus. C, H: O. semichalcites. D, I: O. gibber. E, L: O. gibberosus. Scale bar: 1 mm.
Figures 1-8 in Taxonomic notes on Onthophagus (Palaeonthophagus) lemuroides d'Orbigny, 1898 and O. (P.) fortigibber Reitter, 1909 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini) Stefano Ziani
Figures 1-8. Onthophagus (Palaeonthophagus) lemuroides d'Orbigny, 1898. 1) Lectotype male. 2) Male (IR-Lorestān, Nehāvand Kosio Āb, 1860 m). 3) Male (TR-Malatya, 10 km S Tepehan, 1200 m). 4) Female (TR-GümüŞhane, Bayburt, 2000 m). 5) Male (TR- Malatya, ReŞadiye geçidi, 1510 m). 6) Parameres, dorsal view (drawing by Ivo Gudenzi). 7) Parameres, lateral view (drawing by Ivo Gudenzi). 8) lamella copulatrix.
Onthophagus babirussa sexual size dimporphism and male sexual trait files and R codes
<p><span>Sexual size dimorphism (SSD) arises when natural selection and sexual selection act differently on males and females. Male-biased SSD is rare in insects and usually indicates strong selection pressure on a population or species. Patterns of SSD can also vary between populations of species that are exposed to different environmental conditions, such as differing resource availability and diversity. Here, we investigate intra-specific variation in SSD as well as relative investment in precopulatory (horn length) and postcopulatory traits (sperm length and testes weight) in a tropical rainforest dung beetle<em> Onthophagus babirussa </em>across Singapore and Peninsular Malaysia. Overall, three out of four populations displayed significant male-biased SSD and SSD was greater in populations with smaller overall body size. Average male body size was similar across all populations while female body size was significantly smaller in Singapore, suggesting that the pronounced SSD may also be due to stronger sexual selection on male body size in Singapore populations. All populations showed significant investment in horns as a weapon used in precopulatory competition, while postcopulatory traits showed no clear scaling relationship with body size, suggesting a higher priority on precopulatory sexual traits in the mating system of this species.</span></p>
Figure 7 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 7. Onthophagus (Indonthophagus) mopsus (Fabricius, 1792), lectotype labels. Photo by Katerine Child (OUMNH).
Figure 1 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 1. Onthophagus (Indonthophagus) mopsus (Fabricius, Figure 2. Onthophagus (Indonthophagus) turbatus Walker, 1792) [Pakistan, Islamabad Capital Territory]. 1a) ♀ head, 1858 [Sri Lanka, Uva prov.]. Detail of pronotal posterolateral from above. 1b) Epipharynx. Photos by A. Degiovanni, ed- area. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 9 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 9. Onthophagus (Indonthophagus) turbatus Walker, 1858 [syntype, medium ♂: Sri Lanka]. 9a) Male dorsal habitus [photo and editing by G. Fiumi]. 9b) Parameres, lateral view. 9c) Parameres, dorsal view. 9d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspulae. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 6 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 6. Onthophagus (Indonthophagus) mopsus (Fabricius, 1792) [major ♂: Pakistan, Islamabad Capital Territory]. 6a) Dorsal habitus; 6b) Parameres, lateral view. 6c) Parameres, dorsal view. 6d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspulae. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 4 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 4. Onthophagus (Indonthophagus) ensifer Boucomont, 1914 [major ♂: India, Tamil Nadu st.]. 4a) Dorsal habitus. 4b) Parameres, lateral view. 4c) Parameres, dorsal view. 4d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspula. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 11 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 11. Onthophagus (incertae sedis) spinifex (Fabricius, 1781) [major ♂: Pakistan, Capital Territory]. 11a) Dorsal habitus. 11b) Parameres, lateral view. 11c) Parameres, dorsal view. 11d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 3 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 3. Onthophagus (Indonthophagus) aeneopiceus d'Orbigny, 1902 [major ♂: Yemen, Ibb gov.]. 3a) Dorsal habitus. 3b) Parameres, lateral view. 3c) Parameres, dorsal view. 3d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspulae. Photos by A. Degiovanni, edited by G. Fiumi [from Ziani and Keith (2023)].
Figure 10 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 10. Onthophagus (Indonthophagus) turbatus Walker, 1858 [major ♂: Pakistan, Mansehra prov.]. Dorsal habitus. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 8 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 8. Onthophagus (Indonthophagus) nitidulus Klug, 1845 [major ♂: Yemen, Abyan gov.]. 8a) Dorsal habitus. 8b) Parameres, lateral view. 8c) Parameres, dorsal view. 8d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspulae. Photos by A. Degiovanni, edited by G. Fiumi.
Figure 5 in Historical and morphological review of the subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figure 5. Onthophagus (Indonthophagus) hastifer von Lansberge, 1914 [holotype, major ♂: Myanmar, Minhla]. 5a) Dorsal habitus. 5b) Parameres, lateral view. 5c) Parameres, dorsal view. 5d) Endophallus. AcS: accessory endophallites. LC: lamella copulatrix. Rs: raspulae. Photos by A. Degiovanni, edited by G. Fiumi.
Fig. 2 in First record of Onthophagus (Furconthophagus) sellatus Klug, 1845 for Europe (Coleoptera: Scarabaeidae, Onthophagini)
Fig. 2 – Collecting site of Onthophagus (Furconthophagus) sellatus near the temple of Jupiter (Station 1).
Fig. 1 – a in First record of Onthophagus (Furconthophagus) sellatus Klug, 1845 for Europe (Coleoptera: Scarabaeidae, Onthophagini)
Fig. 1 – a, Habitus of Onthophagus (Furconthophagus) sellatus ♂ from Ognina (Siracusa); b, habitus ♀ from Ognina (Siracusa); c, lateral view ♂, idem; d, edeagus in lateral view; e, lateral tooth placed below the apex of the parameres; f, endophallus and copulatrix lamina.
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