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323 results for “venation”
FIGURES 9–14 in Brasineura Silva-Neto & García Aldrete (Psocodea, 'Psocoptera', Ptiloneuridae) new species, new records and variation in the wing venations
FIGURES 9–14. Variation of the fore wing M vein in paratypes of Brasineura calori sp. n. (9) Right forewing of paratype P2. (10) Left forewing of paratype P3. (11) Right forewing of paratype P3. (12) Right forewing of paratype P4. (13) Right forewing of paratype P5. (14) Left forewing of paratype P6. Scales in mm.
FIGURES 19, 20. Potamyia phaidra Malicky & Chantaramongkol 1997, venation. 19 in New species and new records of Hydropsychinae (Insecta: Trichoptera: Hydropsychidae) from India
FIGURES 19, 20. Potamyia phaidra Malicky & Chantaramongkol 1997, venation. 19, right forewing, dorsal; 20, right hind wing, dorsal.
Data from: Evolution of wing shape in hornets: why is the wing venation efficient for species identification?
Wing venation has long been used for insect identification. Lately, the characterization of venation shape using geometric morphometrics has further improved the potential of using the wing for insect identification. However, external factors inducing variation in wing shape could obscure specific differences, preventing accurate discrimination of species in heterogeneous samples. Here, we show that interspecific difference is the main source of wing shape variation within social wasps. We found that a naive clustering of wing shape data from taxonomically and geographically heterogeneous samples of workers returned groups congruent with species. We also confirmed that individuals can be reliably attributed to their genus, species and populations on the basis of their wing shape. Our results suggested that the shape variation reflects the evolutionary history with a potential influence of other factors such as body shape, climate and mimicry selective pressures. However, the high dimensionality of wing shape variation may have prevented absolute convergences between the different species. Wing venation shape is thus a taxonomically relevant marker combining the accuracy of quantitative characters with the specificity required for identification criteria. This marker may also highlight adaptive processes that could help understand the wing's influence on insect flight.
Data from: Tovomita (Clusiaceae) from the Brazilian Atlantic Forest: taxonomy and utility of leaf venation characters at the species level
Tovomita comprises approximately 50 species that are mainly distributed in moist forests of the Neotropics. In Brazil there are 34 species, which occur in the Amazon region and along the Atlantic coast. We here describe and illustrate the Tovomita species from the Brazilian Atlantic Forest, as well as characterize the leaf morphology of these taxa. Leaves were cleared and their venation was analyzed to look for diagnostic characters related to architecture and the relationship between the secondary and intersecondary veins. Eleven species of Tovomita were recorded, which have distributions ranging from the state of Rio Grande do Norte to the state of Rio de Janeiro. An identification key, based on the analysis, and distribution maps are provided. Tovomita salimenae, a new and vulnerable species endemic to the state of Minas Gerais, is described and two synonyms and nine lectotypifications are proposed. This work also revealed that seven species have larger distributions than previously thought and two species are critically endangered (T. iaspidis and T. megantha). The most relevant characters used to identify the studied species were exudate color, venation pattern, and bud shape.
Data from: A modern ampelography: a genetic basis for leaf shape and venation patterning in Vitis vinifera
Terroir, the unique interaction between genotype, environment, and culture, is highly refined in domesticated grape, Vitis vinifera. Towards cultivating terroir, the science of ampelography tried to distinguish thousands of grape cultivars, without the aid of genetics. This led to sophisticated phenotypic analyses of natural variation in grape leaves, which within a palmate-lobed framework exhibit diverse patterns of blade outgrowth, hirsuteness, and venation patterning. Here, we provide a morphometric analysis of >1,200 V. vinifera accessions. Elliptical Fourier Descriptors provide a global analysis of leaf outlines and lobe positioning, while a Procrustes analysis quantitatively describes venation patterning. Correlation with previous ampelography suggests an important genetic component, which we confirm with estimates of heritability. We further use RNA-Seq of mutant varieties and perform a Genome-Wide Association Study (GWAS) to explore the genetic basis of leaf shape. Meta-analysis reveals a relationship between leaf morphology and hirsuteness, traits known to correlate with climate in the fossil record and extant species. Together, our data demonstrate a genetic basis for the intricate diversity present in grape leaves. We discuss the possibility of using grape leaves as a breeding target to preserve terroir in the face of anticipated climate change, a major problem facing viticulture.
FIGURE 8 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 8. Stenoneura fayoli, holotype specimen MNHNLPR.51207 (print). (scale bar represents 1 mm). 8a: photograph of the mediocubital area of right forewing (detail of CuA; under alcohol). 8b: photograph of the mediocubital area of left forewing (detail of CuA; under alcohol; reversed).
FIGURE 1 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 1. Venation patterns within the 'orthopteroid' lineage. 1a: Archaeorthoptera; 1b: Orthoptera (drawing after Béthoux & Nel 2001); 1c: Haglida taxon nov (drawing after Béthoux & Nel, 2001).
FIGURE 6 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 6. Stenoneura fayoli, holotype specimen MNHNLPR.51207 (print). The wing venation nomenclature follows the hypothesis of its affinity with the Panorthoptera. (scale bar represents 5 mm). 6a: reconstruction of right forewing; 6b: reconstruction of left forewing (reversed).
FIGURE 2 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 2.New interpretations of forewing venations: 2a: Mesoedischia madygenia (drawing after Sharov 1968); 2b: Elcana media (drawing after Zessin 1988); 2c: Plesioschwinzia thalassophila (drawing after Zessin 1988).
FIGURE 11 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 11. Narkeminidae sp. indet., specimen MNHNLPR.R55237ab (forewing; counterpart): photograph of the mediocubital area (detail of common stem M + CuA, distal free part of CuA, and fusion of CuA with CuPa; scale bar represents 1 mm).
FIGURE 15 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 15. Permoraphidia magnifica sp. nov., holotype specimen MNHNLPB.7519ab (print and counterpart). (scale bar represents 5 mm). 15a: reconstruction of left forewing; 15b: reconstruction of right forewing; 15c: reconstruction of left hindwing; 15d: reconstruction of right hindwing.
FIGURE 5 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 5. Protoblattina bouvieri, holotype specimen MNHNLPR.52936 (print): reconstruction of forewings (leg and body omitted) (scale bar represents 5 mm).
FIGURE 16 in Venation pattern and revision of Orthoptera sensu nov. and sister groups. Phylogeny of Palaeozoic and Mesozoic Orthoptera sensu nov.
FIGURE 16. Permoraphidia magnifica sp. nov., holotype specimen MNHNLPB.7519ab (counterpart): photograph (under alcohol). (scale bar represents 5 mm).
FIGURE 11 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 11. Proneuronema gradatum gen. et sp. nov., female specimen No. 1545 (Hoffeins' collection). A, ventral view. B, dorsal view. C, apex of abdomen. st, gonostylus of gonocoxite 9. Scale bars = 2 mm (A, B to scale), 0.2 mm (C).
FIGURE 8 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 8. Proneuronema gradatum gen. et sp. nov., wing venation of the holotype SMF Be 2534. A, right forewing. B, left forewing (color pattern is omitted; converted to standard right dorsal view). C, right hind wing. Scale bar = 1 mm.
FIGURE 2 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 2. Proneuronema minor gen. et sp. nov., wing venation of the holotype GZG.BST.05246. A, right forewing. B, right hind wing. C, left forewing. D, left hind wing (C, D converted to standard right dorsal view). Scale bar = 1 mm (all to scale).
FIGURE 1 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 1. Proneuronema minor gen. et sp. nov., holotype GZG.BST.05246, lateral view. A, right side. B, left side. Scale bars = 1 mm.
FIGURE 3 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 3. Proneuronema minor gen. et sp. nov., holotype GZG.BST.05246, apex of female abdomen. A, photograph. B, line drawing. gx9, gonocoxite 9; S7, 7th sternite; st, gonostylus of gonocoxite 9; T7, T8, T9, 7th to 9th tergites. Scale bar = 0.5 mm.
FIGURE 5 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 5. Proneuronema minor gen. et sp. nov., wing venation of the specimen SMF Be 2535. A, right forewing. B, right hind wing. C, left forewing. D, left hind wing (C, D converted to standard right dorsal view). Scale bar = 1 mm (all to scale).
FIGURE 4 in A new genus of Hemerobiidae (Neuroptera) from Baltic amber, with a critical review of the Cenozoic Megalomus - like taxa and remarks on the wing venation variability of the family
FIGURE 4. Proneuronema minor gen. et sp. nov., specimen SMF Be 2535 as preserved. A, right side. B, left side. Scale bar = 3 mm (both to scale).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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OpenNeuro
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