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Figure 1 in Sexual dimorphism in two catfish species, Mystus pelusius (Solander, 1794) and Glyptothorax silviae Coad, 1981 (Teleostei: Siluriformes)

Figure 1. Sexual dimorphism in Mystus pelusius. Female: ZM-CBSU J3297, 168 mm SL; J3299, 182 mm SL; J3303, 196 mm SL; Male: ZM-CBSU J3298 200 mm SL; J3300, 162 mm SL; J3301, 184 mm SL (from up to down in each column).

Fig. 2 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example

Fig. 2. Benítez et al. (2015), representation of the 13 morphological landmarks identified in the forewings of Macaria mirthae.

Fig. 3 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example

Fig. 3. PCA analysis of the sexual shape dimorphism of Macaria mirthae: the figure shows the first two orthogonal PC components' axes that represent the shape space dimensions, also a decomposition of shape variation between sexes. *Each point represents a different shape.

Fig. 5 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example

Fig. 5. Multivariate regression of the wing shape on the wing centroid size of Macaria mirthae. Grey points represent female wings and black points represent male wings.

Fig. 1 in Sexual dimorphism and population differentiation in the Chilean Neotropical moth Macaria mirthae (Lepidoptera, Geometridae): a wing geometric morphometric example

Fig. 1. Graphical scheme of the location of the two Valleys in Atacama Desert in the north of Chile.

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Figure 5. Sensilla basiconica type 1 in Sexual dimorphism in antennal sensilla of Parthenium beetle Zygogramma bicolorata

Figure 5. Sensilla basiconica type 1 (SB1) (a); sensilla basiconica type 2 (SB2) (b); magnified view of the tip of SB-2 (c) in Z. bicolorata.

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Figure 2 in Sexual dimorphism in antennal sensilla of Parthenium beetle Zygogramma bicolorata

Figure 2. Sensilla trichodea (ST1, ST2), sensilla chaetica (SCh), and sensilla basiconica (SB1 and SB2) of Z. bicolorata.

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Figure 1 in Sexual dimorphism in antennal sensilla of Parthenium beetle Zygogramma bicolorata

Figure 1. Whole view of antenna in Zygogramma bicolorata (11 antennomeres). Sc - scape, P - pedicel, F - flagellomere.

Fig. 3 in Biology, chemical ecology, and sexual dimorphism of the weevil Myllocerus undecimpustulatus undatus (Coleoptera: Curculionidae)

Fig. 3. Chromatographic detection of volatiles present in headspace of peach flush, mature peach leaves, and Valencia (sweet orange) leaves.

Fig. 4 in Biology, chemical ecology, and sexual dimorphism of the weevil Myllocerus undecimpustulatus undatus (Coleoptera: Curculionidae)

Fig. 4. (A) Antennae of Sri Lankan weevil; (B) scanning electron microscopy of olfactory and mechanoreceptor hairs on the club of Sri Lankan weevil antennae; (C) arrangement of antennal preparation for electroantennogram recordings.

Fig 2 in Biology, chemical ecology, and sexual dimorphism of the weevil Myllocerus undecimpustulatus undatus (Coleoptera: Curculionidae)

Fig 2. Sri Lankan weevil larval distribution in top (black columns) and bottom (gray columns) 5 inches of soil in pots containing peach seedlings. No significant differences were observed in the distribution of larval stages.

Fig. 1 in Biology, chemical ecology, and sexual dimorphism of the weevil Myllocerus undecimpustulatus undatus (Coleoptera: Curculionidae)

Fig. 1. (A) Lateral view showing the difference in size of female and male Sri Lankan weevils. Dimorphism appears as black-gray markings on the ventral mesosternum of female (B) and male weevils (C).

Fig. 5. Ordination plot for principal components 1 and 2 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 5. Ordination plot for principal components 1 and 2 representing elytra shape variation between sexes of Xyleborus Affinis: deformation grids describing variation between sexes on the 2 first principal components are presented.

Fig. 4 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 4. Boxplots for the body structure centroid size in Xyleborus affinis: (A) elytra centroid size; (B) pronotum centroid size. The line within each box represents the median, and the height of each box represents first and third quartiles (75% of all data). The lines correspond to the observed minimum and maximum values and dots are outliers

Fig. 2 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 2. Allometric regression of shape on centroid size for each sex: (A) predicted elytra shapes (Predline) to each centroid size; (B) predicted pronotum shapes (Predline) to each centroid size.

Fig. 1 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 1. Configuration of landmarks and semi-landmarks used to register 1 side of the 2 body structures (elytra and pronotum) of Xyleborus affinis: (A) configuration of 3 landmarks (1, 9, 10) and 7 semi-landmarks (2–8) describing elytra shape; (B) configuration of 3 landmarks (1, 2, 8) and 5 semi-landmarks (3–7) describing pronotum shape.

Fig. 3 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 3. Linear regression of partial least squares vectors from the pronotum shape matrix and elytra shape matrix.

Fig. 6. Ordination plot for principal components 1 and 2 in Evaluating sexual dimorphism in the ambrosia beetle Xyleborus affinis (Coleoptera: Curculionidae) using geometric morphometrics

Fig. 6. Ordination plot for principal components 1 and 2 representing pronotum shape variation between sexes of Xyleborus Affinis: deformation grids describing variation between sexes on the 2 first principal components are presented.

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Fig. 1 in Aspects of reproduction and sexual dimorphism of Lygophis flavifrenatus (Dipsadidae: Xenodontinae)

Fig. 1. Monthly variation in largest diameter (in millimeters) of the largest follicles (black circles) and eggs (white circles) of Lygophis flavifrenatus Cope, 1862 from Brazil. The horizontal line indicates the size from which follicles were considered as being in secondary vitellogenesis (secondary follicles).