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15 results for “Heliconius erato”
Social learning data in a foraging setting for Heliconius erato
<p><span>Insects may acquire social information by active communication and through inadvertent social cues. In a foraging setting, the latter may indicate the presence and quality of resources. Although social learning in foraging contexts is prevalent in eusocial species, this behaviour has been hypothesised to also exist between conspecifics in non-social species with sophisticated behaviours, including </span><span><em>Heliconius</em> </span><span>butterflies</span><span>. </span><span><em>Heliconius</em> </span><span>are the</span><span> only butterfly genus with active pollen feeding, a dietary innovation </span><span>associated with a specialised, spatially faithful foraging behaviour known as trap-lining. Long-standing hypotheses suggest that <em>Heliconius</em> may acquire trap-line information by following experienced individuals. Indeed, <em>Heliconius</em></span> <span>often aggregate in social roosts, which could act as 'information centres', and present conspecific following behaviour, enhancing opportunities for social learning. Here, we provide a direct test of social learning ability in <em>Heliconius</em> using an associative learning task in which naïve individuals completed a colour preference test in the presence of demonstrators trained to feed randomly or with a strong colour preference. We found no evidence that </span><span><em>Heliconius</em> <em>erato</em></span><span>, which roost socially, used social information in this task</span><span>. Combined with existing field studies our results add to data which contradict the hypothesised role of social learning in <em>Heliconius</em> foraging behaviour.</span></p>
Social learning data in a foraging setting for Heliconius erato
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Full-likelihood genomic analysis clarifies a complex history of species divergence and introgression: the example of the erato-sara group of Heliconius butterflies
<p>Introgressive hybridization plays a key role in adaptive evolution and species diversification in many groups of species. However, frequent hybridization and gene flow between species make estimation of the species phylogeny and key population parameters challenging. Here, we show that by accounting for phasing and using full-likelihood methods, introgression histories and population parameters can be estimated reliably from whole-genome sequence data. We employ the multispecies coalescent (MSC) model with and without gene flow to infer the species phylogeny and cross-species introgression events using genomic data from six members of the <i>erato</i>-<i>sara</i> clade of <i>Heliconius</i> butterflies. The methods naturally accommodate random fluctuations in genealogical history across the genome due to deep coalescence. To avoid heterozygote phasing errors in haploid sequences commonly produced by genome assembly methods, we process and compile unphased diploid sequence alignments and use analytical methods to average over uncertainties in heterozygote phase resolution. There is robust evidence for introgression across the genome, both among distantly related species deep in the phylogeny and between sister species in shallow parts of the tree. We obtain chromosome-specific estimates of key population parameters such as introgression directions, times and probabilities, as well as species divergence times and population sizes for modern and ancestral species. We confirm ancestral gene flow between the <i>sara</i> clade and an ancestral population of <i><span>H. telesiphe</span></i>, a likely hybrid speciation origin for <i>H. hecalesia</i>, and gene flow between the sister species <i><span>H. erato</span></i><span> and <i>H. himera</i></span>. Inferred introgression among ancestral species also explains the history of two chromosomal inversions deep in the phylogeny of the group. This study illustrates how a full-likelihood approach based on the multispecies coalescent makes it possible to extract rich historical information of species divergence and gene flow from genomic data.</p>
Heliconius erato cyrbia, Cook Islands (New Zealand) 2016, 2019, 2021
<p>EN:</p> <p>This upload contains photographs taken by Amin Ghane and Gabriela Montejo-Kovacevich in the Butterfly Genetics Group at the University of Cambridge from the June/July/August (CAM045001-CAM045330) in three batches, indicated in the csv table. These two batches might have slightly different zoom/light settings.</p> <p>This batch contains Quentin Paynter and Gabriela Montejo-Kovacevich specimen collection from the Cook Islands, wild Heliconius erato cyrbia.<br> <br> They have a colour standard for calibration. Information on the individual IDs can additionally be found in the csv.</p> <p>Nomenclature</p> <p>CAMXXXXXX : unit ID corresponding to individual samples<br> _v _d: ventral or dorsal<br> </p> <p>Information on individual samples from the Butterfly Genetics Group Collection can be found on the public database Earthcape (click <a href="https://heliconius.ecdb.io/#ViewID=ContentPage_DetailView&ObjectKey=843e8ec1-41a6-4706-9622-f643132da859&ObjectClassName=EarthCape.Module.Core.ContentPage&mode=View">here</a> for the database, and <a href="http://heliconius.zoo.cam.ac.uk/databases/earthcape-specimen-database/">here</a> for FAQ)</p> <p>Please contact Chris Jiggins (c.jiggins[at]zoo.cam.ac.uk) for requests.</p> <p> </p> <p>------------------------------------------------------</p> <p>ES:</p> <p>Este repositorio contiene fotografías tomadas en el Butterfly Genetics Group de la Universidad de Cambridge</p> <p>Este lote contiene la colección de especímenes silvestres de las Islas Cook (Nueva Zelanda) colectadas por Quentin Paynter. Las fotografías se tomaron en tres grupos, con zoom y condiciones lumínicas algo distintas.</p> <p>Nomenclatura</p> <p>CAMXXXXXX: ID de unidad correspondiente a muestras individuales<br> _v _d: ventral o dorsal<br> </p> <p>Puede encontrar información sobre muestras individuales de Butterfly Genetics Group Collection en la base de datos pública Earthcape (haga clic <a href="https://heliconius.ecdb.io/#ViewID=ContentPage_DetailView&ObjectKey=843e8ec1-41a6-4706-9622-f643132da859&ObjectClassName=EarthCape.Module.Core.ContentPage&mode=View">aquí</a> para la base de datos, y <a href="http://heliconius.zoo.cam.ac.uk/databases/earthcape-specimen-database/">aquí</a> para preguntas frecuentes)</p> <p>Por favor, póngase en contacto con Chris Jiggins (c.jiggins [arroba] zoo.cam.ac.uk) con sus preguntas o peticiones.</p>
Full-likelihood genomic analysis clarifies a complex history of species divergence and introgression: the example of the erato-sara group of Heliconius butterflies
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Data from: Facultative pupal mating in Heliconius erato: implications for mate choice, female preference, and speciation
Mating systems have broad impacts on how sexual selection and mate choice operate within a species, but studies of mating behavior in the laboratory may not reflect how these processes occur in the wild. Here, we examined the mating behavior of the neotropical butterfly Heliconius erato in the field by releasing larvae and virgin females and observing how they mated. H. erato is considered a pupal-mating species (i.e., males mate with females as they emerge from the pupal case). However, we observed only two teneral mating events, and experimentally released virgins were almost all mated upon recapture. Our study confirms the presence of some pupal-mating behavior in H. erato, but suggests that adult mating is likely the prevalent mating strategy in this species. These findings have important implications for the role of color pattern and female mate choice in the generation of reproductive isolation in this diverse genus.
FIGURE 166. H. erato lativitta Butler, 1877 in Alternative facts: a reconsideration of putatively natural interspecific hybrid specimens in the genus Heliconius (Lepidoptera: Nymphalidae)
FIGURE 166. H. erato lativitta Butler, 1877 (dorsal, ventral). Peru: Loreto, Iquitos, Río Momon, Oct.–Dec. 1986. (image source: https://cliniquevetodax.com/Heliconius/pages/erato%20lativitta.html)
FIGURE 161. Heliconius erato favorinus Hopffer, 1874 in Alternative facts: a reconsideration of putatively natural interspecific hybrid specimens in the genus Heliconius (Lepidoptera: Nymphalidae)
FIGURE 161. Heliconius erato favorinus Hopffer, 1874 (dorsal, ventral). Peru: Huanuco, Tingo Maria. (image source: https://cliniquevetodax.com/Heliconius/pages/erato%20favorinus.html)
FIGURE 156. H. erato cyrbia Godart, 1819 in Alternative facts: a reconsideration of putatively natural interspecific hybrid specimens in the genus Heliconius (Lepidoptera: Nymphalidae)
FIGURE 156. H. erato cyrbia Godart, 1819 (dorsal, ventral). Ecuador: Pichincha, Région de Lita, Chuchuví. Found on the Pacific slope of Ecuador, where it is the co-mimic of H. melpomene cythera (Fig. 61). (image source: https:// cliniquevetodax.com/Heliconius/pages/erato%20cyrbia.html)
FIGURE 168. H. erato petiverana Doubleday, 1847 in Alternative facts: a reconsideration of putatively natural interspecific hybrid specimens in the genus Heliconius (Lepidoptera: Nymphalidae)
FIGURE 168. H. erato petiverana Doubleday, 1847 (dorsal, ventral). Mexico: Veracruz, Nanciyaga. (image source: https://cliniquevetodax.com/Heliconius/pages/erato%20petiverana.html)
Figure 2 in Oviposition preference and larval performance in a Heliconius erato phyllis (Lepidoptera: Nymphalidae) population from southeastern Brazil: is there a positive relationship?
Figure 2. Influence of larval host plant species on (A) Head capsule width (fourth instar larvae); (B) larval development time; (C) forewing length; (D) survival (proportion of individuals that reached the adult stage) of Heliconius erato phyllis reared in the laboratory under controlled conditions. Data are presented as median ± interquartiles (A, B), mean ± standard error (C) and percentages (D). For each trait, different letters above bars indicate significant differences among host plants (Dunn's multiple comparison tests for A and B, and Tukey's multiple comparison tests for C). Abbreviations: CAP, Passiflora capsularis; JIL, Passiflora jilekii; EDU, Passiflora edulis.
Data from: Ultraviolet and yellow reflectance but not fluorescence is important for visual discrimination of conspecifics by Heliconius erato
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Data from: Facultative pupal mating in Heliconius erato: implications for mate choice, female preference, and speciation
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Images of Heliconius erato and Heliconius melpomene crosses
<p>Photographs in raw format of dorsal and ventral wings of <em>Heliconius erato</em> and <em>Heliconius melpomene</em> butterflies. </p> <p>Includes F1 and F2 offspring of crosses between <em>H. e. cyrbia</em> and <em>H. e. demophoon</em>, and <em>H. m. cythera</em> and <em>H. m. rosina</em>. Details of all individuals and crosses can be found in the metadata spreadsheet. </p> <p>All photographs include a colour checker to allow standardisation of images. </p>
The genetic basis of structural colour variation in mimetic Heliconius butterflies [erato]
GEO Series GSE190378. Heliconius erato demophoon; Heliconius erato cyrbia. 32 samples. Type: Expression profiling by high throughput sequencing.
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