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44 results for “crucifers”
Using Anuran community diversity and Pseudacris crucifer to predict landscape quality across a land use gradient
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FIGURES 13–18. Culicoides crucifer Clastrier, 1968. Female, 13–18. 13 head. 14 palpus. 15 legs. 16 wing. 17 abdomen. 18 in Two new species and new records of Neotropical Culicoides Latreille (Diptera: Ceratopogonidae)
FIGURES 13–18. Culicoides crucifer Clastrier, 1968. Female, 13–18. 13 head. 14 palpus. 15 legs. 16 wing. 17 abdomen. 18 detail of spermathecae. Scale bars = 0.05 mm.
Data from: Contact zone dynamics during early stages of speciation in a chorus frog (Pseudacris crucifer)
Characterizing the genetic and behavioural consequences of contact between previously geographically isolated lineages provides insights into the mechanisms underlying diversification and ultimately speciation. The spring peeper (Pseudacris crucifer) is a widespread Nearctic chorus frog with six divergent mitochondrial DNA (mtDNA) lineages, many of which came into secondary contact during the Holocene. We examined genetics, morphology, advertisement calls and female preference for two lineages that began diverging in allopatry in the Pliocene and now overlap in southwestern Ontario, Canada. We found non-coincident clines in mtDNA and nuclear DNA, mirroring directionality of premating isolation barriers. We also found divergence in a range of traits between these two lineages, displacement in male call attributes and female preference for calls of their natal lineage in sympatry. Hybrids were morphologically distinct from both parental lineages, but hybrid male calls were acoustically intermediate. Female hybrids showed asymmetrical preference for Eastern male calls. These results considered together provide evidence of either unidirectional hybridization or selection against hybrids, potentially implying reproductive character displacement. Our work demonstrates the utility of integrated, multi-character approaches to understanding the processes of divergence and the nature of speciation.
FIGURE 1 in New species of the Rhinella crucifer group (Anura, Bufonidae) from the Brazilian Cerrado
FIGURE 1. Rhinella inopina sp. nov.. Dorsal (A) and ventral (B) views of the holotype, MNRJ 75231, adult male, SVL 92.5 mm. Photograph by I. Nunes.
FIGURE 4 in New species of the Rhinella crucifer group (Anura, Bufonidae) from the Brazilian Cerrado
FIGURE 4. Dry Forest with calcareous rock outcrop in the São Domingos municipality, state of Goiás, type-locality of Rhinella inopina sp. nov.. Photograph by D. Sampaio.
FIGURE 3 in New species of the Rhinella crucifer group (Anura, Bufonidae) from the Brazilian Cerrado
FIGURE 3. Rhinella inopina sp. nov. in life from type-locality. (A) Holotype (MNRJ75231, SVL = 92.5mm), an adult male; (B) adult female (MNRJ75233, SVL = 67.0mm); (C) juvenile (MNRJ53069, SVL = 73.3mm); (D) juvenile (MNRJ75232, SVL = 63.5mm). Photographs by S. P. Andrade (A, B and D) and by W. Vaz-Silva (C).
FIGURE 2 in New species of the Rhinella crucifer group (Anura, Bufonidae) from the Brazilian Cerrado
FIGURE 2. Rhinella inopina sp. nov.. Dorsal (A) and lateral (B) views of the head (scale bar =15 mm), palmar (C) plantar views (D) (scale bar =10 mm) of the holotype (MNRJ 75231).
FIGURE 5 in New species of the Rhinella crucifer group (Anura, Bufonidae) from the Brazilian Cerrado
FIGURE 5. Map with known geographic distribution (black circles) of Rhinella inopina sp. nov.. Black star represents São Domingos municipality (type locality).
Phymanthus crucifer decontaminated FSCR
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FIGURE 7 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 7. Fruit of A. gypsicola: A. front of the fruit and B. back of the fruit. Fruit of A. dumanii: C. front of the fruit and D. back of the fruit.
FIGURE 6 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 6. Seed of A. gypsicola: A. LM micrographs of the general appearance, B. SEM micrographs of the general appearance, C. closeup SEM micrographs of the seed surface. Seed of A. dumanii: D. LM micrographs of the general appearance, E. SEM micrographs of the general appearance, F. close-up SEM micrographs of the seed surface.
FIGURE 2 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 2. Habit and parts of a complete flower A. A. gypsicola, B–C. Flowers, D. Pistil, E. Stamens.
FIGURE 5 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 5. Leaf of A. gypsicola: A. front of the leaf, B. back of the leaf. Leaf of A. dumanii: C. front of the leaf, D. back of the leaf.
FIGURE 8 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 8. SEM micrographs of the pollen grains of A. gypsicola A. General view, B. equatorial view, C–D. Polar view, E. close-up of ornamentation.
FIGURE 1 in Aethionema gypsicola, a new crucifer species from inner Anatolia, Turkey
FIGURE 1. Phylogenetic tree of the Aethionema species based on the Bayesian analysis of the trnL-F data. Posterior P-values>0.5 are shown at the nodes. Taxon names follow the concept presented in BrassiBase (https://brassibase.cos.uni-heidelberg.de/).
Phymanthus crucifer decontaminated gx
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16s rRNA and copLAB partial sequences of copper resistant Xanthomonas spp. isolated from agrochemical impacted crucifer fields in Trinidad
<p>Sanger sequence generated partial sequences of copLAB genes present in copper resistant Xanthomonas spp associated with leaf lesion and 16s rRNA sequences used for bacterial genera identification. Part of an upcoming manuscript, will be linked within document.</p>
FIGURE 9A–B. Megapogon crucifer. A–B in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 9A–B. Megapogon crucifer. A–B: sections of the holotype BMNH-1884.4.22.46a. Abbreviations: Di = diactines; Mic = microdiactines.
FIGURE XVI. Habitus and its labels of the type specimens of the genus Lemula.—16, L. par Holzschuh, 1998 (Holotype: CCH); 17, L. gorodinskii gorodinskii Holzschuh, 1999 (Holotype: CCH); 18, L. gorodinskii henanica Holzschuh, 2009 (Holotype: CCH); 19, L. lata Holzschuh, 2009 (Holotype: CCH); 20, L. crucifer Shimomura, 1979 (Holotype: NSMT); 21, L. japonica Tamanuki, 1938 (Holotype: MNHH); 22, L. viridipennis Holzschuh, 1993 (Holotype: CCH). in Revision of the genus Lemula (Coleoptera, Cerambycidae, Lepturinae)
FIGURE XVI. Habitus and its labels of the type specimens of the genus Lemula.—16, L. par Holzschuh, 1998 (Holotype: CCH); 17, L. gorodinskii gorodinskii Holzschuh, 1999 (Holotype: CCH); 18, L. gorodinskii henanica Holzschuh, 2009 (Holotype: CCH); 19, L. lata Holzschuh, 2009 (Holotype: CCH); 20, L. crucifer Shimomura, 1979 (Holotype: NSMT); 21, L. japonica Tamanuki, 1938 (Holotype: MNHH); 22, L. viridipennis Holzschuh, 1993 (Holotype: CCH).
FIGURE 3 in Hesperis sivasica (Brassicaceae), A new crucifer species from inner Anatolia
FIGURE 3. SEM (Scanning electron microscopy) micrographs of the stem, leaf, pedicel, and fruit of Hesperis sivasica. A) Stem, B) Stem leaf, C–D) Basal leaf (d=dendritic hair, g= stalked gland, sc= stalk cell, hc= head cell), E) Pedicel, D) Fruit.
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