Key innovations and the diversification of Hymenoptera

Blaimer, Bonnie B.; Santos, Bernardo F.; Cruaud, Astrid; Gates, Michael W.; Kula, Robert R.; Mikó, István; Rasplus, Jean‐Yves; Smith, David R.; Talamas, Elijah J.; Brady, Seán G.; Buffington, Matthew L.

doi:10.1038/s41467-023-36868-4

Cited by 66 publications

(52 citation statements)

References 127 publications

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“…, an entomofauna essentially modern morphology (van Eldijk et al , 2017). In Argentina, extant orders such as Diptera ( trihennigma zavattierii Lara & Lukashevich, 2013), Hymenoptera ( Potrerilloxyela menendezi Lara et al , 2014), and true heteropterans have been recorded, illustrating that the evolution that led to nowadays ecosystems initiated during the Triassic and probably much older according to molecular dating (Lara et al , 2017, 2021; Blaimer et al , 2023; Nel pers. comm.…”

Section: Discussionmentioning

confidence: 99%

Late Paleozoic–Early Mesozoic Insects: State of the Art on Paleoentomological Studies in Southern South America

Lara¹,

Cariglino²,

Zavattieri³

2023

Ameghiniana

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A state of the art of the insects collected and described from different Permian and Triassic units in South America is given, accompanied by their brief historical record (e.g., collectors, taxonomic revision) and new high-quality photos in color. Likewise, we succinctly provide data on the paleodiversity and paleoecology of the entomological assemblages from the different units. Finally, we discuss the South American paleoentomological records in relation to equivalent deposits worldwide. The thorough, updated review of fossil insect faunas in this paper will help settling the bases for future taxonomic, diversity, and ecological studies during a time that comprised the evolutionary history of insects through two key episodes of the geological record: the end-Permian mass extinction (EPME, ~252 Ma) and the Carnian Pluvial Event (CPE, ~234-232 Ma).

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Section: Discussionmentioning

confidence: 99%

Late Paleozoic–Early Mesozoic Insects: State of the Art on Paleoentomological Studies in Southern South America

Lara¹,

Cariglino²,

Zavattieri³

2023

Ameghiniana

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“…str. ), a relationship first hinted at in Hymenoptera‐wide analyses (Peters et al, 2017; see also Blaimer et al, 2023) and indicating that herbivorous cynipids do not form a monophyletic clade. Finally, the analysis suggested that the Eschatocerini may be the sister group of the Figitidae, although the evidence for this was weak and alternative placements appeared under some analysis settings.…”

Section: Introductionmentioning

confidence: 86%

“…It has generally been assumed that the phytophagous forms constitute a monophyletic lineage, the family Cynipidae, although it has been surprisingly difficult to find morphological characters supporting their monophyly (Liljeblad & Ronquist, 1998;Ronquist, 1999;Ronquist et al, 2015). The Cynipidae are deeply nested within the insect-parasitic Apocrita (Blaimer et al, 2023;Heraty et al, 2011;Klopfstein et al, 2013;Peters et al, 2017;Ronquist, 1995Ronquist, , 1999Sharkey et al, 2011), and all other members of the superfamily Cynipoidea are insect parasitoids, so it has long been clear that the phytophagous gall inducers and inquilines must have evolved from insect-parasitic ancestors. Except for the Cynipidae, the superfamily Cynipoidea comprises the families Austrocynipidae, Ibaliidae, Liopteridae and Figitidae (Ronquist, 1995(Ronquist, , 1999.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, Blaimer et al (2020) used phylogenomic analysis of ultra-conserved element (UCE) DNA sequence data (Faircloth et al, 2012) to infer relationships among a phylogenetically diverse T A B L E 1 Life history of the 13 tribes of Cynipidae recognised currently (Lobato-Vila et al, 2022;Ronquist et al, 2015). relationship first hinted at in Hymenoptera-wide analyses (Peters et al, 2017; see also Blaimer et al, 2023) and indicating that herbivorous cynipids do not form a monophyletic clade. Finally, the analysis suggested that the Eschatocerini may be the sister group of the Figitidae, although the evidence for this was weak and alternative placements appeared under some analysis settings.…”

Section: Introductionmentioning

confidence: 99%

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Phylogenomic analysis of protein‐coding genes resolves complex gall wasp relationships

Hearn,

Gobbo,

Nieves‐Aldrey

et al. 2023

Systematic Entomology

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Gall wasps (Hymenoptera: Cynipidae) comprise 13 distinct tribes whose interrelationships remain incompletely understood. Recent analyses of ultra‐conserved elements (UCEs) represent the first attempt at resolving these relationships using phylogenomics. Here, we present the first analysis based on protein‐coding sequences from genome and transcriptome assemblies. Unlike UCEs, these data allow more sophisticated substitution models, which can potentially resolve issues with long‐branch attraction. We include data for 37 cynipoid species, including two tribes missing in the UCE analysis: Aylacini (s. str.) and Qwaqwaiini. Our results confirm the UCE result that Cynipidae are not monophyletic. Specifically, the Paraulacini and Diplolepidini + Pediaspidini fall outside a core clade (Cynipidae s. str.), which is more closely related to the insect‐parasitic Figitidae, and this result is robust to the exclusion of long‐branch taxa that could mislead the analysis. Given this, we here divide the Cynipidae into three families: the Paraulacidae stat. prom., Diplolepididae stat. prom. and Cynipidae (s. str.). Our results suggest that the Eschatocerini are the sister group of the remaining Cynipidae (s. str.). Within the Cynipidae (s. str.), the Aylacini (s. str.) are more closely related to oak gall wasps (Cynipini) and some of their inquilines (Ceroptresini) than to other herb gallers (Aulacideini and Phanacidini), and the Qwaqwaiini likely form a clade together with Synergini (s. str.) and Rhoophilini. Several alternative scenarios for the evolution of cynipid life histories are compatible with the relationships suggested by our analysis, but all are complex and require multiple shifts among parasitoids, inquilines and gall inducers.

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“…As illustrated in this review, the Hymenoptera provide unique features for this endeavour. They represent a highly diverse insect order (Forbes et al ., 2018; Blaimer et al ., 2023), encompassing a wide range of evolutionary radiations, including phytophagous sawflies, parasitoid wasps, and carnivorous as well as palynivore (bee) species (Fig. 2A).…”

Section: Introductionmentioning

confidence: 99%

Evolution of the neuronal substrate for kin recognition in social Hymenoptera

Couto,

Marty,

Dawson

et al. 2023

Biological Reviews

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In evolutionary terms, life is about reproduction. Yet, in some species, individuals forgo their own reproduction to support the reproductive efforts of others. Social insect colonies for example, can contain up to a million workers that actively cooperate in tasks such as foraging, brood care and nest defence, but do not produce offspring. In such societies the division of labour is pronounced, and reproduction is restricted to just one or a few individuals, most notably the queen(s). This extreme eusocial organisation exists in only a few mammals, crustaceans and insects, but strikingly, it evolved independently up to nine times in the order Hymenoptera (including ants, bees and wasps). Transitions from a solitary lifestyle to an organised society can occur through natural selection when helpers obtain a fitness benefit from cooperating with kin, owing to the indirect transmission of genes through siblings. However, this process, called kin selection, is vulnerable to parasitism and opportunistic behaviours from unrelated individuals. An ability to distinguish kin from non‐kin, and to respond accordingly, could therefore critically facilitate the evolution of eusociality and the maintenance of non‐reproductive workers. The question of how the hymenopteran brain has adapted to support this function is therefore a fundamental issue in evolutionary neuroethology. Early neuroanatomical investigations proposed that social Hymenoptera have expanded integrative brain areas due to selection for increased cognitive capabilities in the context of processing social information. Later studies challenged this assumption and instead pointed to an intimate link between higher social organisation and the existence of developed sensory structures involved in recognition and communication. In particular, chemical signalling of social identity, known to be mediated through cuticular hydrocarbons (CHCs), may have evolved hand in hand with a specialised chemosensory system in Hymenoptera. Here, we compile the current knowledge on this recognition system, from emitted identity signals, to the molecular and neuronal basis of chemical detection, with particular emphasis on its evolutionary history. Finally, we ask whether the evolution of social behaviour in Hymenoptera could have driven the expansion of their complex olfactory system, or whether the early origin and conservation of an olfactory subsystem dedicated to social recognition could explain the abundance of eusocial species in this insect order. Answering this question will require further comparative studies to provide a comprehensive view on lineage‐specific adaptations in the olfactory pathway of Hymenoptera.

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Key innovations and the diversification of Hymenoptera

Cited by 66 publications

References 127 publications

Late Paleozoic–Early Mesozoic Insects: State of the Art on Paleoentomological Studies in Southern South America

Late Paleozoic–Early Mesozoic Insects: State of the Art on Paleoentomological Studies in Southern South America

Phylogenomic analysis of protein‐coding genes resolves complex gall wasp relationships

Evolution of the neuronal substrate for kin recognition in social Hymenoptera

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