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Figure 2 in Occurrence of the Ambrosia Beetle Xyleborinus exiguus (Walker) (Curculionidae: Scolytinae: Xyleborini) on the Island of Oʻahu, Hawaiʻi, USA

Figure 2. One of five most parsimonious trees found in an exhaustive search. The clade comprising individuals from Hawaiʻi and Papua New Guinea was unresolved in the strict consensus of the five most parsimonious trees. Numbers at nodes are bootstrap values (>90%) determined with 500 pseudo-replicates using branch and bound searches.

opencc-by-4.0Dec 2023View details →

Figure 1 in Occurrence of the Ambrosia Beetle Xyleborinus exiguus (Walker) (Curculionidae: Scolytinae: Xyleborini) on the Island of Oʻahu, Hawaiʻi, USA

Figure 1. Habitus of Xyleborinus exiguus female, from Hawaiʻi, A. lateral, B. declivity, D. dorsal; and X. saxesenii female, C. declivity, E. dorsal.

Fig. 4 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 4. Mean (± SE) captures of Cnestus mutilatus, Xylosandrus compactus, X. cra`ssiusculus, and X. germanus in ethanol-baited Baker traps deployed at various distances from the nursery–forest interface at 2 sites in South Carolina in 2011 and 2012.

Fig. 3 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 3. Mean captures of Cnestus mutilatus, Xylosandrus compactus, X. crassiusculus, and X. germanus in ethanol-baited Baker traps at 2 sites in Louisiana and Mississippi in 2013 and 2014.

Fig. 1 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 1. Satellite image of the Mississippi research site (Google, Mountain View, California, USA) with an overlay showing a randomized complete block design of 5 blocks. Representing the 2013 test, each block shown here had a trap placed at −25, 25, 50, 100, and 200 m from the nursery–forest interface.

Fig. 5 in Seasonal and spatial dispersal patterns of select ambrosia beetles (Coleoptera: Curculionidae) from forest habitats into production nurseries

Fig. 5. Mean (± SE) captures of Cnestus mutilatus, Xylosandrus compactus, X. crassiusculus, and X. germanus in ethanol-baited Baker traps deployed at various distances from the nursery–forest interface at 2 sites in Louisiana and Mississippi in 2013 and 2014.

opencc-by-4.0Jun 2017View details →

Figs. 1 and 2 in Studies of ambrosia beetles (Coleoptera: Curculionidae) in their native ranges help predict invasion impact

Figs. 1 and 2. Machilus (Lauraceae) trees in Huisun Forest, Taiwan, colonized by Xyleborus glabratus and Raffaelea lauricola. 1. Wood pieces excised from an injured but living tree. Staining is a reliable sign of R. lauricola establishment. 2. Injured trees showing symptoms of laurel wilt. Photographs by A. Black.

opencc-by-4.0Dec 2020View details →

Figure 1 in A Damage-Limiting Method for Extracting Bark and Ambrosia Beetles (Coleoptera: Curculionidae: Scolytinae) from Their Tunnels in Host Plants of Conservation Concern

Figure 1. Use of sticky cockroach traps to extract the Hawaiian endemic bark beetle Xyleborus mauiensis Perkins, 1900, from a Hawaiian endemic olapa (Cheirodendron trigynum) tree on the island of Lanai. a: Section of sticky trap ready for action; note the glue pushed to one side of the strip to form a globule; b: Beetle stuck to the glue and extracted from the wood.

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.

Fig. 10 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 10. Dorsal and lateral view of female Xylosandrus cubensis. Scale bar: 1 mm. Permission to publish from the Canadian Museum of Nature, Ottawa, Canada.

Fig. 8 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 8. Dorsal and lateral view of female Xyleborus anthracinus. Scale bar: 1 mm. Permission to publish from the Canadian Museum of Nature, Ottawa, Canada.

Fig. 7 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 7. Dorsal and lateral view of female (lef) and male (right) Scolytus dimidiatus. Scale bar: 2 mm. Permission to publish from the National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.

Fig. 6 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 6. Dorsal and lateral view of female Pityophthorus regularis. Scale bar: 1 mm. Permission to publish from the National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.

Fig. 4 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 4. Dorsal and lateral view of female Phloeotribus atlanticus. Scale bar: 1 mm. Permission to publish from the National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.

Fig. 5 in Potential pest bark and ambrosia beetles from Cuba not present in the continental United States

Fig. 5. Dorsal and lateral view of female Pityophthorus laevis. Scale bar: 1 mm. This image may be protected by copyright or have other legal restrictions on use. Permission to publish from the National Museum of Natural History, Smithsonian Institution, Washington, DC, USA.