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294 results for “Onthophagus”
FIGURE 18 in The Onthophagus fuscus (Coleoptera: Scarabaeidae) species complex: an update and the description of a new species
FIGURE 18. Aedeagus: A, Onthophagus fuscus; B, O. canescens; C, O. mycetorum; D, O. parafuscus; E, O. pseudofuscus. Redrawn from Zunino & Halffter (1988).
FIGURE 19 in The Onthophagus fuscus (Coleoptera: Scarabaeidae) species complex: an update and the description of a new species
FIGURE 19. Lamella copulatrix: A, O. fuscus; B, O. canescens; C, O. mycetorum; D, O. parafuscus; E, O. pseudofuscus. Redrawn from Zunino & Halffter (1988).
Fig. 4 in Allometric Relationships between Body Width and Horn Size in the Dung Beetle Onthophagus hecate (Panzer, 1794) (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 4. Relationship between male pronotal horn length (mm) and the number of protuberances on the horn. The logistic regression is indicated with a black line, and the 95% CI indicated in grey (χ2 = 13.2, df = 1, p <0.001). Pronotal horn length, where 95% of beetles are likely to have two protuberances (3.65 mm) or four protuberances (4.27 mm), are indicated with dashed lines and arrows; where two or four protuberances are equally likely (3.97 mm) is indicated with a dashed line. Drawings of O. hecate male heads and pronotums with two and four protuberances are included.
Fig. 3 in Allometric Relationships between Body Width and Horn Size in the Dung Beetle Onthophagus hecate (Panzer, 1794) (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 3. Relationship between pronotum width (mm) and pronotal lengths (mm) in Onthophagus hecate. A) Violin and box plot showing the distribution of pronotum lengths with horns (males) or ridges (females). A significant Wilcoxon test (W = 2524, p <0.001) indicated bY ***. B) Relationships between pronotal horn length and pronotum width for male (♂) and female (♀) beetles. Regression equations for male and female beetles are as follows (male: F1,153 = 1493, p <0.001, adjusted R2 = 0.91; female: F = 1266, p <0.001, adjusted R2 = 0.94). Outlier (ID: "20624O2-6m") is indi1,79 cated by a black outline around the point. C) Violin and box plot of the distribution of pronotum width for males and females. A Wilcoxon test (W = 6611, p = 0.61) showed no significant differences between sexes. Diamonds in panels A and C indicate means for male and female beetles.
Fig. 1 in Allometric Relationships between Body Width and Horn Size in the Dung Beetle Onthophagus hecate (Panzer, 1794) (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 1. Map of Onthophagus hecate distribution in the US and Canada. States and provinces were filled in based on records from Bezanson and Floate (2019). Yellow points indicate GPS locations of preserved specimens retrieved from GBIF in June 2022.
Figure 1 in Size and shape interspecific divergence patterns partly reflect phylogeny in an Onthophagus species-complex (Coleoptera: Scarabaeidae)
Figure 1. Landmark configurations chosen for geometric morphometric analyses of head (first row, nine landmarks) epipharynx (middle row, nine landmarks) and paramere (last row, five landmarks). Left column: Onthophagus fracticornis; central column: Onthophagus similis; right column: Onthophagus opacicollis. For easier visualization, landmark configurations are reported only on specimens of O. similis.
Figure 5 in New biogeographical makeup for colonisation of the Baja California Peninsulaı with the description of a new Onthophagus (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 5. Dorsal habitus of O. bajacalifornianus minor male.
Figure 2 in New biogeographical makeup for colonisation of the Baja California Peninsulaı with the description of a new Onthophagus (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 2. Dorsal habitus of O. bajacalifornianus major male.
Figure 3 in New biogeographical makeup for colonisation of the Baja California Peninsulaı with the description of a new Onthophagus (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 3. Lateral view of the aedeagus of O. bajacalifornianus.
Figure 4. Lamella copulatrix O in New biogeographical makeup for colonisation of the Baja California Peninsulaı with the description of a new Onthophagus (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 4. Lamella copulatrix O. bajacalifornianus.
Fig. 4. Onthophagus landolti, pupa. a in Life History ofOnthophagus landoltiHarold, 1880 (Coleoptera: Scarabaeidae), with Descriptions of the Preimaginal Stages
Fig. 4. Onthophagus landolti, pupa. a) Dorsal view,
FIGURE 6 in The Onthophagus fuscus (Coleoptera: Scarabaeidae) species complex: an update and the description of a new species
FIGURE 6. Onthophagus mycetorum female dorsal habitus, paratype.
FIGURE 3 in The Onthophagus fuscus (Coleoptera: Scarabaeidae) species complex: an update and the description of a new species
FIGURE 3. Onthophagus canescens male dorsal habitus, paratype.
Gene expression patterns in the head horns, thoracic horns, and legs of the horned beetles Onthophagus taurus
GEO Series GSE13616. Onthophagus taurus. 15 samples. Type: Expression profiling by array.
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