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1,694 results for “Weevil”
FIGURE 50 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 50. Semithin sections of head of Gymnaetron sp. (Curculionidae: Curculioninae). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section immediately posterior to mouthparts, anterior to antennal insertion; E, diagram of D; F, section near middle of rostrum and at antennal insertion; G, section
FIGURE 45 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 45. Semithin sections of head of Cylindrocopturus adspersus (Curculionidae: Conoderinae). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section immediately posterior to mouthparts; E, dia-
FIGURE 40 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 40. Semithin sections of head of Xyleborus sp. (Curculionidae: Scolytinae: Xyleborini). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex to middle of head; C, section at apex of head through mouthparts, anterior to antennal insertion; D, section at proximal area of
FIGURE 31 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 31. Semithin sections of head of Sphenophorus sp. (Curculionidae: Dryophthorinae). A, ventral aspect of head; B, lateral aspect of head; C–F, oblique cross sections along rostrum and head; C–D, sections at antennal insertion and base of rostrum and head; E, section at middle of rostrum, anterior to antennal insertion; F, diagram of E.
FIGURE 30 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 30. Semithin sections of head of Lissorhoptrus sp. (Curculionidae: Brachycerinae: Erirhinini): Lissorhoptrus sp. A, ventral aspect of head; B, lateral aspect of head; C–J, cross sections proceeding from apex of rostrum toward base; C–D, sections at apex of rostrum through mouthparts; E, section at proximal area of mouthparts; F, section
FIGURE 27 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 27. Semithin sections of head of Nanophyes sp. (Brentidae: Nanophyinae). A, ventral aspect of head; B, lateral aspect of head; C–G, cross sections proceeding from apex of rostrum toward base; C, section at apex of head through mouthparts; D, section through proximal area of mouthparts; E, section posterior to mouthparts, anterior to antennal insertion; F, section posterior to middle of rostrum and to antennal insertion; G, diagram of F.
FIGURE 25 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 25. Semithin sections of head of female Arrenodes minutus (Brentidae: Brentinae). A, ventral aspect of head; B, lateral aspect of head; C–J, cross sections proceeding from apex of rostrum to base and into head; C, section at apex of rostrum through mouthparts; D, section posterior to mouthparts; E, section anterior to antennal insertion
FIGURE 24 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 24. Semithin sections of head of Ithycerus noveboracensis (Brentidae: Ithycerinae). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section at proximal area of mouthparts; E, section posterior to mouthparts at anten-
FIGURE 26 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 26. Semithin sections of head of Apion sp. (Brentidae: Apioninae). A, ventral aspect of head; B, lateral aspect of head; C–I, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section just posterior to mouthparts; E, G, sections posterior to mouth-
FIGURE 23 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 23. Semithin sections of head of Caenominurus topali (Caridae). A, ventral aspect of head; B, lateral aspect of head; C–I, cross sections proceeding from apex of rostrum toward base; C–D, sections at apex of rostrum through mouthparts; E, section at proximal area of mouthparts; F–G, sections posterior to mouthparts, anterior to antennal insertion; H, section before antennal insertion just posterior to middle of rostrum;
FIGURE 22 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 22. Semithin sections of head of Rhynchites auratus (Attelabidae: Rhynchitinae). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section just posterior to mouthparts; E, diagram of D; F, section
FIGURE 44 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 44. Semithin sections of head of Odontocorynus sp. (Curculionidae: Baridinae). A, ventral aspect of head; B, lateral aspect of head; C–H, cross sections proceeding from apex of rostrum toward base; C–D, sections at apex of rostrum through mouthparts; E, section immediately posterior to mouthparts, anterior to
FIGURE 19 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 19. Semithin sections of head of Dicorydylus sp. (Belidae). A, ventral aspect of head; B, lateral aspect of head; C–G, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, section just posterior to mouthparts, anterior to antennal insertion; E, diagram of D; F, section posterior to antennal insertion near base of rostrum; G, diagram of F.
FIGURE 14 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 14. Semithin sections of head of Rhinosimus viridiaeneus (Salpingidae). A, ventral aspect of head; B, lateral aspect of head; C–F, cross sections proceeding from apex of rostrum toward base; C, section at apex of rostrum through mouthparts; D, diagram of C; E, section near middle of rostrum; F, diagram of E. Section illustration legend presented at bottom.
FIGURE 13. 50 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 13. 50% majority rules tree of the phylogenetic analysis of 36 taxa coded for 19 rostral-associated morphological characters (MR tree of L = 64, CI = 54, RI = 82). Illustrations on the right side depict diversity
FIGURE 34 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 34. Semithin sections of head of Bagous restrictus (Curculionidae: Bagoinae): Bagous restrictus (Curculionidae). A, ventral aspect of head; B, lateral aspect of head; C–I, cross sections proceeding from apex of rostrum toward base; C–D, sections at apex of rostrum through mouthparts; E, section at proximal area of mouthparts; F, section immediately posterior to mouthparts, anterior to antennal insertion; G, section posterior to the mouth-
FIGURE 12 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 12. Strict consensus tree of an analysis of 36 taxa coded for 19 rostral-associated morphological characters, showing phylogenetic relationships among Curculionidae and other weevil families. Strict con-
FIGURE 10 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 10. Light micrographs illustrating mouthparts, pharyngeal plate, and associated structures. A–B, mouthparts and pharyngeal plate of Listronotus sp. (Curculionidae: Cyclominae). A, dorsal aspect; B, ventral aspect; C, pharyngeal plate with labium and parts of paracoila and postcoila in Gerstaeckeria lecontei (Curculionidae: Cryptorhynchinae); D, pharyngeal plate in Tanyrhynchus sp. (Curculionidae: Entiminae); E, pharyngeal plate in Phrissotrichum tubiferum (Brentidae: Apioninae); F, pharyngeal plate in Heilipodus polyguttatus (Curculionidae: Molytinae).
FIGURE 11. Confocal micrographs illustrating pharyngeal plate and associated structures. A–B in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 11. Confocal micrographs illustrating pharyngeal plate and associated structures. A–B, labium and pharyngeal plate in male Arrhenodes minutus (Brentidae: Brentinae). A, ventral aspect; B, dorsal aspect. C, dorsal aspect of pharyngeal plate and mandibles in Sphenophorus sp. (Curculionidae: Dryophthorinae). D–F, mouthparts and pharyngeal plate in Epicaerus imbricatus (Curculionidae: Entiminae). D, ventral aspect; E, lateral aspect; F, dorsal aspect.
FIGURE 8 in The Weevil Rostrum (Coleoptera: Curculionoidea): Internal Structure And Evolutionary Trends
FIGURE 8. General model of a section of the weevil rostrum, illustrating the relative position of key internal structures. Color legend to highlighted structures presented at right.
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OpenNeuro
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