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1,694 results for “Weevil”
FIGURES 8A–D. Etheophanus nitidellus, male terminalia. A in Systematics of the New Zealand Weevil Etheophanus Broun (Curculionidae: Molytinae)
FIGURES 8A–D. Etheophanus nitidellus, male terminalia. A, aedeagus, dorsal view; B, aedeagus, lateral view; C, tegmen, dorsal view; D, sternites VIII and IX, showing spiculum relictum.
FIGURES 6A–D. Etheophanus kuscheli, male terminalia. A in Systematics of the New Zealand Weevil Etheophanus Broun (Curculionidae: Molytinae)
FIGURES 6A–D. Etheophanus kuscheli, male terminalia. A, aedeagus, dorsal view; B, aedeagus, lateral view; C, tegmen, dorsal view; D, sternites VIII and IX, showing spiculum relictum.
FIGURES 4A–D in Systematics of the New Zealand Weevil Etheophanus Broun (Curculionidae: Molytinae)
FIGURES 4A–D. Mouthparts of E. nitidellus. A, labium, dorsal view; B, left maxilla; C, left mandible; D, pharyngeal plate.
FIGURES 2A–G in Systematics of the New Zealand Weevil Etheophanus Broun (Curculionidae: Molytinae)
FIGURES 2A–G. Lateral habiti of Etheophanus spp. A, E. kuscheli sp. n.; B, E. nitidellus; C, E. optandus; D, E. pingius; E, E. striatus.
FIGURES 1A–G in Systematics of the New Zealand Weevil Etheophanus Broun (Curculionidae: Molytinae)
FIGURES 1A–G. Dorsal habiti of Etheophanus spp. A, E. kuscheli sp. n.; B, E. nitidellus; C, E. optandus; D, E. pingius; E, E. striatus.
Fig. 5 Larinus hedenborgi pupa chaetotaxy. A in Morphological and molecular inference of immature stages of Larinus hedenborgi (Col: Curculionidae), a trehala-constructing weevil
Fig. 5 Larinus hedenborgi pupa chaetotaxy. A Head and rostrum, ventral view. B Head, rostrum and pronotum, lateral view. C Abdominal segments 1–7, lateral view. D Habitus, dorsal view. E Lasts abdominal segments of female, ventral view. F Lasts abdominal segments of male, ventral view. Abbreviations: Ab1-9 number of abdominal segments, Th1-3 number of thoracic segments, ur urogomphi, setae: sas super apical, l, ls lateral, sls super lateral, d dorsal, ds discal, pls posterolateral, v ventral, vs vertical, sos super orbital, os orbital, pas postantennal, rs rostral, es epistomal, fes femoral. Scale bars 10 mm (A–D) and 2 mm (E–F)
Fig. 3 in Morphological and molecular inference of immature stages of Larinus hedenborgi (Col: Curculionidae), a trehala-constructing weevil
Fig. 3 Larinus hedenborgi mature larva, habitus. Lateral views of A thoracic segments, B abdominal segment I, and C abdominal segments VII-X. Abbreviations: prns pronotal s., prs prodorsal s., pds postdorsal s., as alar s., ss spiracular s., eps epipleural s., ps pleural
Fig. 4 Larinus hedenborgi pupa habitus. A Ventral view. B Lateral view. C in Morphological and molecular inference of immature stages of Larinus hedenborgi (Col: Curculionidae), a trehala-constructing weevil
Fig. 4 Larinus hedenborgi pupa habitus. A Ventral view. B Lateral view. C Dorsal view. Abbreviations: Ab1-9 number of abdominal segments, Th1-3 number of thoracic segments, ur urogomphi. Scale bar 10 mm
Fig. 5 in Biocontrol Agents Cross Borders: First Detection of the Knapweed Seed Head Weevil, Bangasternus fausti (Reitter) (Coleoptera: Curculionidae), in Canada
Fig. 5. Maximum-likelihood gene tree of Bangasternus, Rhinocyllus, and Larinus cytochrome c oxidase subunit I sequences. Black circles indicate 100% support with SH-aLRT ratios/ultrafast bootstrapping and gray circles indicate greater than 70% support. Dark red labels depict identified specimens from the William F. Barr Entomological Museum at the University of Idaho.
Figs. 2–4 in Biocontrol Agents Cross Borders: First Detection of the Knapweed Seed Head Weevil, Bangasternus fausti (Reitter) (Coleoptera: Curculionidae), in Canada
Figs. 2–4. Adult Bangasternus fausti (sensu Colonnelli and Whitehead 1990) from British Columbia, Canada. 2) Lateral habitus; 3) Dorsal habitus; 4) Male genitalia, dorsal view. Specimen in Figs. 2–3 from Peachland, British Columbia, Canada (49.739669, −119.769512), collected 27 June 2022 on Centaurea diffusa. Specimen in Fig. 4 from Kelowna, British Columbia, Canada (49.90889, −119.49167), collected 11 June 2022 on C. diffusa (specimen code Bf068). Photos by C. L. Cock.
Fig. 1. Search effort for Bangasternus between 2020–2022 in Biocontrol Agents Cross Borders: First Detection of the Knapweed Seed Head Weevil, Bangasternus fausti (Reitter) (Coleoptera: Curculionidae), in Canada
Fig. 1. Search effort for Bangasternus between 2020–2022. Symbol color represents presence or absence of B. fausti: white depicts presence, green depicts iNaturalist observations, and unfilled depicts absence. White triangles depict sites that had B. fausti and at least two species of Centaurea whereas unfilled triangles depict sites that had no B. fausti but had both C. diffusa and C. stoebe ssp. micranthos. Photo of B. fausti on C. diffusa by N. G. Earley. Figure prepared in QGIS version 3.16.6 with basemaps from https://github.com/stamen/terrain-classic and https://github.com/CartoDB/ basemap-styles.
Fig. 1 in The Confused, the Californian, and the Confused Californian Weevil (Coleoptera: Curculionidae)
Fig. 1. Labels of the specimen identified as Baridius californicus in the collection of the Zoological Institute St. Petersburg.
Fig. 1. Dorsal habitus. A in Otiorhynchus desertus Rosenhauer, 1847 (Coleoptera: Curculionidae): Confirmation of Establishment in North America, and Other New Provincial Records of Adventive Weevils from New Brunswick, Canada
Fig. 1. Dorsal habitus. A) Otiorhynchus desertus collected near Rockwood Park, Saint John, New Brunswick, Canada (note the single medial carina on the pronotum, less evenly distributed elytral hairs, and duller elytra), B) O. ovatus for comparison.
Figs. 1–2 in Bionomics and New Host Plant Records of the Australian Trunk-Boring Cycad Weevils (Coleoptera: Curculionidae)
Figs. 1–2. Microhabitat of Demyrsus meleoides in northern New South Wales. 1) Infested trunk of Lepidozamia peroffskyana in which adults of D. meleoides were found; 2) Adults of D. meleoides lodged between decomposed and intact parts of the trunk.
Figs. 3–4 in Bionomics and New Host Plant Records of the Australian Trunk-Boring Cycad Weevils (Coleoptera: Curculionidae)
Figs. 3–4. Cycad host of Siraton internatus in northern inland New South Wales. 3) Natural population of Macrozamia polymorpha near Baradine (30°55′04.1′′S, 149°16′21.0′′E); 4) Fresh female cone with mucilaginous sap, in which S. internatus adults were found crawling around the base of the cone.
FIGURE 1. A in New Laboulbeniales parasitic on weevils from the Amazon rainforest
FIGURE 1. A. Laboulbenia elephantina (from the type slide). B. Laboulbenia dichroma (from the type slide). C. Laboulbenia microcarpa (from the type slide). D. Laboulbenia inopinata from Macrocopturus sp. (from the paratype FI3864). Bars = 50 μm.
Data from: Metapopulation structure of a seed-predator weevil and its host plants in arms race coevolution
Although the importance of gene flow in the geographic structuring of host–parasite interactions has been well discussed, little is known about how dispersal drives the spatial dynamics of other types of coevolutionary interactions in nature. We evaluated the roles of gene flow in the geographically structured processes of a predator–prey arms race involving a seed-predatory weevil with a long mouthpart and its host camellia plant with a thick fruit coat. Molecular genetic analyses showed that both weevil and camellia populations were structured at a spatial scale of several kilometers. Importantly, the spatial pattern of the migration of weevils, but not that of camellias, imposed significant effects on the geographic configuration of the levels of coevolutionary escalation. This result suggests that even if migration is limited in one species (camellia), local coevolution with the other species that migrates between neighboring localities (weevil) can reduce the inter-population difference in the local adaptive optima of the former species. Thus, gene flow of a species potentially homogenizes local biological environments provided by the species and thereby promotes the evolutionary convergence of its coevolving counterparts. Consequently, by focusing on coevolutionary interactions in natural communities, "indirect" effects of gene flow on the adaptive divergence of organisms could be identified.
FIGURES 101, 102 in A revision of the weevil genus Procas Stephens (Coleoptera: Curculionoidea: Erirhinidae)
FIGURES 101, 102. Maps showing confirmed localities for (101) Procas biguttatus, (102) P. lecontei. Scale–bars = 500 km.
FIGURES 35–38. Sternite 8 in A revision of the weevil genus Procas Stephens (Coleoptera: Curculionoidea: Erirhinidae)
FIGURES 35–38. Sternite 8 of female of Procas armillatus from (35) Canary Is, (36) Algeria, (37) Tunisia, Teboursouk, (38) Algeria, Setif. Scalebar = 0.2 mm.
FIGURES 59–64 in A revision of the weevil genus Procas Stephens (Coleoptera: Curculionoidea: Erirhinidae)
FIGURES 59–64. Spermatheca of Procas armillatus from (59) Canary Is, (60) Tunisia, Teboursouk, (61) Algeria, (62) Algeria, Setif, (63) Morocco, Jebel Tazekka, (64) Sardinia, Asinara I. Scalebar = 0.2 mm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.