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1,694 results for “Weevil”
FIGURE 21. Eugnamptus sarapiquensis n in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 21. Eugnamptus sarapiquensis n. sp.; a – b (male), c – d (female).
FIGURE 14. Eugnamptus sulcicollis n in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 14. Eugnamptus sulcicollis n. sp.; a – b (male), c – f (female).
FIGURE 20. Eugnamptus bellus n in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 20. Eugnamptus bellus n. sp.; a – b (male), c – d (female)
FIGURE 15 in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 15. Eugnamptus laticeps Voss; a – b (male), c – d (female).
FIGURE 24 in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 24. Eugnamptus basalis Sharp; a – b (male), c – d (female).
FIGURE 18. Eugnamptus herediensis n in Eugnamptine weevils of La Selva, Costa Rica (Coleoptera: Rhynchitidae)
FIGURE 18. Eugnamptus herediensis n. sp.; a – b (male), c – d (female)
Fig. 36 in New Genera and Species of Weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)
Fig. 36. Coconotus tuberculatus Anderson and Lanteri, dorsal habitus, female.
Figs. 1–2 in New Genera and Species of Weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)
Figs. 1–2. Galapagonotus cuneiformis (Waterhouse), female. 1, Lateral habitus; 2, dorsal habitus.
Fig. 2 in METAPOCYRTUS MADAYAW SP. N. (COLEOPTERA: CURCULIONIDAE, ENTIMINAE), A NEW FLIGHTLESS WEEVIL FROM EASTERN MINDANAO, PHILIPPINES
Fig. 2. Metapocyrtus (Artapocyrtus) spp. A, B – M. (A.) pardalis Heller, 1912: A –
Fig. 1 in METAPOCYRTUS MADAYAW SP. N. (COLEOPTERA: CURCULIONIDAE, ENTIMINAE), A NEW FLIGHTLESS WEEVIL FROM EASTERN MINDANAO, PHILIPPINES
Fig. 1 Metapocyrtus (Artapocyrtus) madayaw sp. n. A – male holotype, dorsal view; B –
Fig. 4 in METAPOCYRTUS MADAYAW SP. N. (COLEOPTERA: CURCULIONIDAE, ENTIMINAE), A NEW FLIGHTLESS WEEVIL FROM EASTERN MINDANAO, PHILIPPINES
Fig. 4. Metapocyrtus (Artapocyrtus) madayaw sp. n., aedeagus. A – dorsal view; B –
Fig. 3 in METAPOCYRTUS MADAYAW SP. N. (COLEOPTERA: CURCULIONIDAE, ENTIMINAE), A NEW FLIGHTLESS WEEVIL FROM EASTERN MINDANAO, PHILIPPINES
Fig. 3. Metapocyrtus (Artapocyrtus) spp. A, B – M. (A.) pardalis Heller, 1912 (female
Fig. 3 in Yagder serratus, a new eyeless weevil from Mexico and the non-monophyly of Brachycerinae, the evolutionary twilight zone of true weevils (Coleoptera: Curculionidae)
Fig. 3. Distribution of eyeless and nearly eyeless brachycerine weevils.
Population differentiation and intraspecific genetic admixture in two Eucryptorrhynchus weevils (Coleoptera: Curculionidae) across northern China
<p><span>Inreasing damage of pests in agriculture and forestry can arise both as a consequence of changes in local species and through the introduction of alien species. In this study, we used population genetics approaches to examine population processes of two pests of the tree-of-heaven trunk weevil (TTW), <em>Eucryptorrhynchus brandti</em> (Harold) and the tree-of-heaven root weevil (TRW), <em>E. scrobiculatus</em> (Motschulsky) on the tree-of-heaven across their native range of China. We analyzed the population genetics of the two weevils based on ten highly polymorphic microsatellite markers. Population genetic diversity analysis showed strong population differentiation among populations of each species, with FST ranges from 0.0197 to 0.6650 and from -0.0724 to 0.6845, respectively. Populations from the same geographical areas can be divided into different genetic clusters, and the same genetic cluster contained populations from different geographical populations, pointing to dispersal of the weevils possibly being human-mediated. Redundancy analysis showed that the independent effects of environment and geography could account for 93.94% and 29.70% of the explained genetic variance in TTW, and 41.90% and 55.73% of the explained genetic variance in TRW, respectively, indicating possible impacts of local climates on population genetic differentiation. Our study helps to uncover population genetic processes of these local pest species with relevance to control methods.</span></p>
Research Data supporting "3D Tomographic Analysis of the Order-Disorder Interplay in the Pachyrhynchus congestus mirabilis Weevil"
<p>This data and the descriptions below should be read in conjunction with the manuscript and “Supporting Info”, both of which may be found at the following DOI: https://doi.org/10.1002/advs.202202145.</p>
How the Easter Egg Weevils got their spots: Phylogenomics reveals Müllerian mimicry in Pachyrhynchus (Coleoptera, Curculionidae)
<p>The evolutionary origins of mimicry in the Easter Egg weevil, <em>Pachyrhynchus</em>, have fascinated researchers since first noted more than a century ago by Alfred Russel Wallace. Müllerian mimicry, or mimicry in which two or more distasteful species look similar, is widespread throughout the animal kingdom. Given the varied but discrete color patterns in <em>Pachyrhynchus</em>, this genus presents one of the best opportunities to study the evolution of both perfect and imperfect mimicry. We analyzed more than 10,000 UCE loci using a novel partitioning strategy to resolve the relationships of closely related species in the genus. Our results indicate that many of the mimetic color patterns observed in sympatric species are due to convergent evolution. We suggest that this convergence is driven by positive frequency-dependent selection.</p>
Figs. 1–4 in A new genus of the tooth-nosed snout weevils (Coleoptera: Rhynchitidae) from Philippines
Figs. 1–4. Luzonorhynchites crassifemoratus sp. n. 1 – paratype, male, habitus, dorsal
Figure 1 in Association of the jumping spider Coccorchestes ferreus (Araneae: Salticidae: Euophryini) with a small, black weevil (Coleoptera: Curculionidae: Cryptorhynchinae: Trigonopterus cf. laetus)
Figure 1. Male Coccorchestes ferreus (1-3, ~3 mm) and a small black weevil (4, Trigonopterus cf. laetus, ~2.5-3 mm) found in Iron Range, Cape York, Queenland, Australia (20 AUG 2022).
Fig. 10 in Five new species of the genus Polycatus Heller, 1912 (Coleoptera: Curculionidae: Polycatini) from the Mindanao Island (Philippines), and new examples of mimicry among weevil genera
Fig. 10. Distribution map of studied Polycatus species
Fig. 8 in Five new species of the genus Polycatus Heller, 1912 (Coleoptera: Curculionidae: Polycatini) from the Mindanao Island (Philippines), and new examples of mimicry among weevil genera
Fig. 8: P. bramantii sp. nov. (DUBC). 1-5 male; 6-8 aedegal body; 9 - tegmen; 10 – sternite IX
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Allen Brain Atlas
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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.
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