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1,694 results for “Weevil”
Fig. 1 in Niches of Saproxylic Weevils (Coleoptera: Curculionidae) in French Guiana
Fig. 1. Weevil emergences from dry and rainy season bait branches (cut 26–28 August and 17–20 January, respectively).
Figs. 15–26 in Niches of Saproxylic Weevils (Coleoptera: Curculionidae) in French Guiana
Figs. 15–26. Saproxylic weevils present in more than one sample or represented by at least 10 individuals, dorsal and lateral views. 15, 16) Pseudopinarus cerastres; 17, 18) cf. Pseudopinarus sp. 3; 19, 20) Zygops histrio; 21, 22) Zygops pius; 23, 24) Cophes sp. 1; 25, 26) Pisaeus sp. 1.
Figs. 3–14 in Niches of Saproxylic Weevils (Coleoptera: Curculionidae) in French Guiana
Figs. 3–14. Saproxylic weevils present in more than one sample or represented by at least 10 individuals, dorsal and lateral views. 3, 4) Copturomorpha sp. 1; 5, 6) Piazurus alternans; 7, 8) Piazurus incommodus; 9, 10) Piazurus pseudoalternans; 11, 12) Piazurus sp. 2; 13, 14) Piazurus sp. 3.
Figs. 1–3 in New Ornamental Host Record for the Cactus Weevil,Cactophagus spinolae(Gyllenhal) (Coleoptera: Curculionidae) in Morelos, Mexico
Figs. 1–3. Cactus weevil on Selenicereus hamatus. 1) Larva in fruit; 2) Larva in stem; 3) Adult feeding on stem.
Figure 36. A in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figure 36. A, Silvacalles nubilosus (in dorsal view). B, aedeagus in ventral view (left), endophallus (right). C, Ixanthus viscosus Griseb., the host plant of S. nubilosus.
Figures 33–34 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figures 33–34. Sonchiacalles muelleri has the same larval development, the adults show identical breeding behaviour and the larvae and pupae behave in the same way in the chambers (made of latex and agglutinated small stones) at the root neck of, e.g. Tolpis proustii on El Hierro as Madeiracalles pulverosus in the roots of Tolpis succulenta on Madeira.
Figures 25–32. 25–27 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figures 25–32. 25–27, Madeiracalles is distinguished from the Canarian genera by the conspicuously long and slender, capillary bristles on the median lobe of the aedeagus. 28–32, the 'complex' inverse v-shaped structure of the endophallus shows a clearly comprehensible basic pattern and is doubtlessly homologous amongst the species of Madeiracalles.
Figures 2–22 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figures 2–22. Morphological, biological, and ecological comparison of the genera and subgenera of Macaronesian Cryptorhynchinae along with the respective sections of the tree; (TS) = type species. Figures 4E and 5E show a section of the tree that results when 16S sequences for Aeoniacalles aeonisimilis* and Dendroacalles euphorbiacus* are excluded.
Figure 1. A, Bayesian 50 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figure 1. A, Bayesian 50% majority rule consensus for the two analysed mitochondrial genes. Numbers indicate nodal posterior probabilities. The scale shows the expected nucleotide substitutions per site. Abbreviations in parentheses denote subgenus (see text). Genus names in bold indicate new nomenclature. Circles mark colonization events (in black: invasive species). For many Macaronesian species, the respective host plants are depicted. The second page of the tree shows the taxa corresponding to the 'Atlantic clade'. B, chronogram based on relaxed phylogenetic analysis of the two mitochondrial genes, using the uncorrelated lognormal model of substitution rate variation. Numbers next to the nodes indicate mean divergence times (in Myr), with 95% confidence intervals of divergence times depicted as bars at the corresponding nodes. N.B. Although the underlying topology is that delivered by MrBayes, BEAST does not allow polytomies, which it resolves arbitrarily.
Figure 35 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figure 35. Acalles globulipennis and Echinodera pallida: first abdominal sternite clearly longer than the three following (very narrow) segments combined (here vs. Madeiracalles albolineatus: first abdominal sternite maximally as long as the three following sternites combined (second sternite as long as or longer than sternite 3 and 4 combined).
Figures 23–24. 23 in Molecular phylogeny in endemic weevils: revision of the genera of Macaronesian Cryptorhynchinae (Coleoptera: Curculionidae)
Figures 23–24. 23, Canariacalles with rhombic eyes (in lateral view) in comparison with Aeoniacalles. 24, endophallus of Acalles xerampelinus in comparison with Canariacalles alluaudi.
Figure 127 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 127. Strict consensus tree of full taxon matrix analysis, with horn evolution mapped onto the left phylogeny and plectral evolution mapped onto the right phylogeny.
Figure 124. Character 98 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 124. Character 98 (abdominal lateral tergite), supporting monophyly of Baridinae, mapped onto strict consensus tree of full taxon matrix analysis.
Figure 122. Character 46 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 122. Character 46 (posterior margin of mesonotum), supporting monophyly of Baridinae, mapped onto strict consensus tree of full taxon matrix analysis.
Figure 120. 1 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 120. 1 of 110 most-parsimonious trees produced from analysis of the reduced taxon matrix, with characters (below branches) and character states (above branches) mapped onto branches using WinClada's fast optimization (ACCTRAN).
Figure 118. 1 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 118. 1 of 110 most-parsimonious trees produced from analysis of the reduced taxon matrix, with suggested revised classification.
Figure 117 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 117. Strict consensus tree of analysis of full taxon matrix, with characters (below branches) and character states (above branches) mapped onto branches using WinClada's fast optimization (ACCTRAN).
Figure 128 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 128. Biogeographical regions mapped onto strict consensus tree of full taxon matrix analysis.
Figures 112–115. Continuous jackknife function plots. 112 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figures 112–115. Continuous jackknife function plots. 112, tree congruence of full taxon matrix (FTM) trees as the probability of character removal changes; 113, tree conflict of FTM trees as the probability of character removal changes; 114, tree congruence of reduced taxon matrix (RTM) trees as the probability of character removal changes; 115, tree conflict of RTM trees as the probability of character removal changes.
Figure 126. Character 51 in Delimiting baridine weevil evolution (Coleoptera: Curculionidae: Baridinae)
Figure 126. Character 51 (longitudinal crest on scutellar groove of metanotum), supporting monophyly of Baridinae and possibly suggestive of a more inclusive grouping, Barididae (Zherikhin & Gratshev, 1995), mapped onto strict consensus tree of full taxon matrix analysis.
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