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Phasmids.html
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<a class="navbar-brand" href="index.html">Jacopo Martelossi</a>
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<a href="Phasmids.html">Wings Evolution and sistematics in Phasmids</a>
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<a href="Notostraca_CompGen.html">Tadole shrimps genomics</a>
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<a href="Rluc.html">Termites genomics</a>
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<div
id="macroevolutionary-analyses-provide-new-evidence-of-wings-evolution-as-a-reversible-process-in-phasmids"
class="section level2">
<h2>Macroevolutionary Analyses Provide New Evidence of Wings Evolution
as a Reversible Process in Phasmids</h2>
<p>Giobbe Forni<sup>1</sup>, Jacopo Martelossi<sup>1</sup>, Pablo
Valero, Frank H. Hennemann, Oskar Conle, Andrea Luchetti, Barbara
Mantovani</p>
<p><strong><sup>1</sup> These authors contributed equally to this
work</strong></p>
<div id="abstract" class="section level4">
<h4>Abstract:</h4>
<p>Abstract.—The concept that complex ancestral traits can never be
recovered after their loss is still widely accepted, despite
phylogenetic and molecular approaches suggest instances where phenotypes
may have been lost throughout the evolutionary history of a clade and
subsequently revertedback in derived lineages.Oneof thefirst andmost
notable examples of such a process is wing evolution in phasmids; this
polyneopteran order of insects, which comprises stick and leaf insects,
has played a central role in initiating a long-standing debate on the
topic. In this study, a novel and comprehensive time tree including over
300 Phasmatodea species is used as a framework for investigating wing
evolutionary patterns in the clade. Despite accounting for several
possible biases and sources of uncertainty, macroevolutionary analyses
consistently revealed multiple reversals to winged states taking place
after their loss, and reversibility is coupled with higher species
diversification rates. Our findings support a loss of or reduction in
wings that occurred in the lineage leading to the extant phasmid most
recentcommonancestor, and brachyptery is inferred to be an unstable
state unless co-optedfor nonaerodynamic adaptations. We also explored
how different assumptions of wing reversals probability could impact
their inference: we found that until reversals are assumed to be over 30
times more unlikely than losses, they are consistently inferred despite
uncertainty in tree and model parameters. Our findings demonstrate that
wing evolution is a reversible and dynamic process in phasmids and
contribute to our understanding of complex trait evolution. [Dollo’s
law; Phasmatodea; phylogenetic comparativemethods; polyneoptera;
reversals; wing.</p>
<p><br><br></p>
<center>
<p><img src="Imagine/Fig.%201.jpg" /> <br><br></p>
<p>Now published in Systematic Biology!<br />
Forni, G., Martelossi, J., Valero, P., Hennemann, F.H., Conle, O.,
Luchetti, A., Mantovani, B., 2022. Macroevolutionary Analyses Provide
New Evidence of Phasmid Wings Evolution as a Reversible Process.
Systematic Biology syac038. <a
href="https://doi.org/10.1093/sysbio/syac038"
class="uri">https://doi.org/10.1093/sysbio/syac038</a></p>
<hr />
</div>
</div>
<div
id="taxonomic-revision-of-the-australian-stick-insect-genus-candovia-phasmida-necrosciinae-insight-from-molecular-systematics-and-species-delimitation-approaches"
class="section level2">
<h2>Taxonomic revision of the Australian stick insect genus Candovia
(Phasmida: Necrosciinae): insight from molecular systematics and
species-delimitation approaches”</h2>
<p>Giobbe Forni, Alex Cussigh, Paul D Brock, Braxton R Jones, Filippo
Nicolini, Jacopo Martelossi, Andrea Luchetti, Barbara Mantovani</p>
<div id="abstract-1" class="section level4">
<h4>Abstract:</h4>
<p>The Phasmida genus Candovia comprises nine traditionally recognized
species, all endemic to Australia. In this study, Candovia diversity is
explored through molecular species-delimitation analyses using the
COIFol gene fragment and phylogenetic inferences leveraging seven
additional mitochondrial and nuclear loci. Molecular results were
integrated with morphological observations, leading us to confirm the
already described species and to the delineation of several new taxa and
of the new genus Paracandovia. New Candovia species from various parts
of Queensland and New South Wales are described and illustrated (C.
alata sp. nov., C. byfieldensis sp. nov., C. dalgleishae sp. nov., C.
eungellensis sp. nov., C. karasi sp. nov., C. koensi sp. nov. andC.
wollumbinensis sp. nov.). New combinations are proposed and species
removed from synonymy with the erection of the new genus Paracandovia
(P. cercata stat. rev., comb. nov., P. longipes stat. rev., comb. nov.,
P. pallida comb. nov., P. peridromes comb. nov., P. tenera stat. rev.,
comb. nov.). Phylogenetic analyses suggest that the egg capitulum may
have independently evolved multiple times throughout the evolutionary
history of these insects. Furthermore, two newly described species
represent the first taxa with fully developed wings in this previously
considered apterous clade.</p>
<center>
<p><img src="Imagine/Fig_Candovia.jpeg" /></p>
<p><br><br></p>
<p>Now published in Zoological Journal of the Linnean Society!<br />
Forni, G., Cussigh, A., Brock, P.D., Jones, B.R., Nicolini, F.,
Martelossi, J., Luchetti, A., Mantovani, B., 2022. Taxonomic revision of
the Australian stick insect genus Candovia (Phasmida: Necrosciinae):
insight from molecular systematics and species-delimitation approaches.
Zoological Journal of the Linnean Society zlac074. <a
href="https://doi.org/10.1093/zoolinnean/zlac074"
class="uri">https://doi.org/10.1093/zoolinnean/zlac074</a></p>
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<a href="https://twitter.com/JacopoM4" class="fa fa-twitter"></a>
<a href="https://github.com/jacopoM28" class="fa fa-github"></a></p>
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