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656 results for “stonefly”
Figure 2. Larva ofRhabdiopteryx doiranensisIkonomov, 1983 in New country records and further data to the stonefly (Plecoptera) fauna of southeast Macedonia
Figure 2. Larva ofRhabdiopteryx doiranensisIkonomov, 1983:A – male habitus, dorsal;B –male terminalia, ventral; C – male terminalia, lateral;D – female terminalia, ventral;E – female terminalia, lateral. Scale bars 1 mm.
Data for: Ebony underpins Batesian mimicry in melanic stoneflies
<p><span>The evolution of Batesian mimicry – whereby harmless species avoid predation through their resemblance to harmful species – has long intrigued biologists. In rare cases, Batesian mimicry is linked to intraspecific colour variation, in which only some individuals within a population resemble a noxious 'model'. Here, we assess intraspecific colour variation within a widespread New Zealand stonefly, wherein highly melanised individuals of <em>Zelandoperla</em> closely resemble a chemically defended aposematic stonefly, <em>Austroperla</em> <em>cyrene</em>. We assess convergence in the colour pattern of these two species, compare their relative palatability to predators, and use genome-wide association mapping to assess the genetic basis of this resemblance. Our analysis reveals that melanised <em>Zelandoperla </em>overlap significantly with <em>Austroperla</em> in colour space, but are significantly more palatable to predators, implying that they are indeed Batesian mimics. Analysis of 194,773 genome-wide SNPs reveals an outlier locus (<em>ebony</em>) strongly differentiating melanic versus non-melanic <em>Zelandoperla</em>. Genotyping of 338 specimens from a single <em>Zelandoperla</em> population indicates that <em>ebony</em> explains nearly 70% of the observed variance in melanism. As <em>ebony</em> has a well-documented role in insect melanin biosynthesis, our findings indicate this locus has a conserved function across deeply divergent hexapod lineages. Distributional records suggest a link between the occurrence of melanic <em>Zelandoperla</em> and the forested ecosystems where the model <em>Austroperla</em> is abundant, suggesting the potential for adaptive shifts in this system underpinned by environmental change.</span></p>
Landscape connectivity and genetic structure in a mainstem and a tributary stonefly (Plecoptera) species using a novel reference genome
<p>Abstract Understanding how environmental variation influences population genetic structure can help predict how environmental change influences population connectivity, genetic diversity, and evolutionary potential. We used riverscape genomics modelling to investigate how climatic and habitat variables relate to patterns of genetic variation in two stonefly species, one from mainstem river habitats (Sweltsa coloradensis) and one from tributaries (Sweltsa fidelis) in 40 sites in northwest Montana, USA. We produced a draft genome assembly for S. coloradensis (N50 = 0.251 Mbp, BUSCO &gt; 95% using "insecta_ob9" reference genes). We genotyped 1930 SNPs in 372 individuals for S. coloradensis and 520 SNPs in 153 individuals for S. fidelis. We found higher genetic diversity for S. coloradensis compared to S. fidelis, but nearly identical genetic differentiation among sites within each species (both had global loci median FST = 0.000), despite differences in stream network location. For landscape genomics and testing for selection, we produced a less stringently filtered data set (3454 and 1070 SNPs for S. coloradensis and S. fidelis, respectively). Environmental variables (mean summer precipitation, slope, aspect, mean June stream temperature, land cover type) were correlated with 19 putative adaptive loci for S. coloradensis. but there was only one putative adaptive locus for S. fidelis (correlated with aspect). Interestingly, we also detected potential hybridization between multiple Sweltsa species which has never been previously detected. Studies like ours, that test for adaptive variation in multiple related species are needed to help assess landscape connectivity and the vulnerability of populations and communities to environmental change.</p>
Data from: Distributional trends and species richness of Maryland, USA stoneflies (Insecta: Plecoptera), with an emphasis on the Appalachian region
<p>Faunistic studies of regional biodiversity of aquatic insects are increasing in importance as declines are noted globally. Federal and state government conservation attempts for rare and threatened species are predicated upon the initial research of specialized taxonomists and trained field biologists. Reporting of aquatic insect occurrence data provides a baseline for conservation agencies to compare water quality monitoring studies. Updated fieldwork, literature reviews, and database queries for stoneflies from the mid-Atlantic USA state of Maryland necessitated an assessment of species diversity for the state. Seven new state records and one new literature record are presented, bringing the total number of species to 122. Chao1 estimates of species richness are presented for diversity hotspots and the state as a whole, indicating that increased sampling is still necessary to fully understand diversity patterns. Accompanying are assessments of elevation trends and adult presence patterns within nine families. Collections are predominantly restricted to the Appalachian region, herein we direct future efforts to focus on understudied regions. An outline of distribution knowledge for species is presented to inform upcoming State Wildlife Action Plans.</p>
Fig. 4 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin
Fig. 4. Female of Capnia khingana hatched embryos: A – first instar nymph exiting of
Fig. 5 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin
Fig. 5. Female of Capnia khingana giving birth to first instar nymph.
Fig. 3 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin
Fig. 3. Female of Capnia khingana with developing eggs, non hatched and hatched
Fig. 2 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin
Fig. 2. Female of Capnia khingana with developing nymphal embryos throughout
Fig. 1 in First report of viviparity of the stoneflies Capnia khingana (Plecoptera: Capniidae) in the Low Amur River Basin
Fig. 1. Female reproductive system of Capnia khingana. Abbreviations: Ov – developing
Figs 1-2 in Body pigmentation during embryogenesis first found in stoneflies: a case of Megaperlodes niger Yokoyama, Isobe & Yamamoto, 1990 (Insecta: Plecoptera, Perlodidae)
Figs 1-2 – Female adults of Megaperlodes niger. 1, Habitus, dorsal view; 2, Habitus, ventral view.
Figure 11 in A new species of the winter stonefly genus Capniella Klapálek, 1920 (Plecoptera: Capniidae) from Korea
Figure 11. Habitat of Capniella gibba sp. n.: South Korea, Odaesan Mts, Odaechen Stream.
Data for: Ebony underpins Batesian mimicry in melanic stoneflies
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Landscape connectivity and genetic structure in a mainstem and a tributary stonefly (Plecoptera) species using a novel reference genome
Open the record for dataset details and reuse information.
Data from: Distributional trends and species richness of Maryland, USA stoneflies (Insecta: Plecoptera), with an emphasis on the Appalachian region
Open the record for dataset details and reuse information.
FIGURE 12 in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 12. Parisoperla leigongshana Huo & Du, sp. nov., male. A: head and pronotum; B: terminalia, dorsal view; C: terminalia, ventral view.
FIGURE 3 in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 3. Nymph of Parisoperla oncocauda (Huo & Du, 2018), comb. nov., head and pronotum, wing pads, terminalia. A–C: dorsal view; D–F: ventral view.
FIGURE 4 in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 4. Parisoperla oncocauda, mouthpart of nymph. A: right mandible; B: right lacinia; C: labium.
FIGURE 8 in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 8. Parisoperla kuankuoshuiensis Du & Huo, sp. nov., aedeagus. A: dorsal view; B: lateral view; C: ventral view.
FIGURE 7 in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 7. Parisoperla kuankuoshuiensis Du & Huo, sp. nov., male terminalia and paraprocts, dorsal view.
FIGURE 10. P in A new genus and two new species of stoneflies (Plecoptera: Perlodidae) from Guizhou Province, China
FIGURE 10. P. kuankuoshuiensis Du & Huo, sp. nov., female. A: head and pronotum; B: terminalia, dorsal view; C: terminalia, ventral view.
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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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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.