Deep-Time Convergence in Rove Beetle Symbionts of Army Ants

Maruyama, Munetoshi; Parker, Joseph

doi:10.1016/j.cub.2017.02.030

Cited by 66 publications

(156 citation statements)

References 29 publications

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“…Xenobius Borgmeier, Pridonius Blackwelder). Recent evidence from our group of study (Chani‐Posse et al., : the Holisus case; Maruyama and Parker, ) supports a molecular based approach for the study of such groups to prevent biases in the assessment of morphological characters susceptible to convergence. A well‐supported group of philonthine myrmecophiles including Proxenobius and representatives of other related genera (e.g.…”

Section: Discussionmentioning

confidence: 65%

To be biased or to be Neotropical: systematic reassessment of a megadiverse lineage of rove‐beetles (Philonthina, Staphylinini, Staphylininae)

Chani-Posse

Ramírez‐Salamanca

2019

Cladistics

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Classifications in the world's tropics often involve an early and sustained adoption of Holarctic‐based patterns. Such is the case of the megadiverse subtribe Philonthina and its Neotropical (NT) members, for which generic limits are ill‐defined due to an alleged high level of homoplasy. Although a recent total‐evidence study confirmed the monophyly of a NT lineage, most of its species are assigned to the speciose genera Belonuchus Nordmann and Paederomimus Sharp, neither of them monophyletic. Here, we aim to reveal internal relationships within the NT lineage by the reassessment of characters from traditional morphology‐based systematics. Specific objectives are to test the monophyly of Belonuchus with regards to its only junior synonym, Musicoderus Sharp, as well as the placement of the six South American species of Hesperus Fauvel, a genus of Holarctic origin. We performed a phylogenetic analysis of the subtribe with focus on its NT lineage based on 132 morphological characters (50 of them novel) including 79 taxa from genera and/or species groups relevant to our study. Most novel characters assessed herein supported clades across Philonthina and its NT lineage. We found that the NT lineage diversified into at least seven clades, each of which provides a framework for future taxonomic studies. Among them, three clades containing the type species of Belonuchus, Paederomimus and Musicoderus (respectively) appear to be well supported and not closely related. The currently known South American species of Hesperus, however, are recovered within the NT lineage. We propose to resurrect Musicoderus from synonymy with Belonuchus and to transfer Hesperus novoteutonicus to Paederomimus as a new combination: Paederomimus novoteutonicus (Wendeler), comb.n.

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Section: Discussionmentioning

confidence: 65%

To be biased or to be Neotropical: systematic reassessment of a megadiverse lineage of rove‐beetles (Philonthina, Staphylinini, Staphylininae)

Chani-Posse

Ramírez‐Salamanca

2019

Cladistics

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“…Several papers have applied dating methods to rove beetle phylogenetics (Zhang & Zhou ; Brunke et al . ; Maruyama & Parker ; Song & Ahn ), however in all cases fossil age data were used to calibrate nodes (node‐dating) rather than incorporating fossils and the morphological data contained within them as tips in a combined analysis (tip‐dating).…”

Section: Systematics Of Paederinaementioning

confidence: 99%

Total‐evidence approach reveals an extinct lineage of Paederinae rove beetles from Cretaceous Burmese amber

2019

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The fossil record contains vital information about the evolution of lineages and is a source of data that cannot be reconciled other than by the direct observation of morphologies. Total‐evidence phylogenetic reconstruction is being increasingly used to assess the position of extinct taxa by incorporating morphological data from extinct and extant taxa together with molecular data from extant taxa in a united framework. Here we apply the method to two Cretaceous Burmese amber inclusions belonging to the rove beetle subfamily Paederinae. To perform the total evidence analysis, we constructed the first morphological matrix and the most comprehensive molecular dataset for the subfamily. Our analysis reveals an extinct lineage of Paederinae rove beetles with a suite of unique morphological characters, resulting in the description of a new genus: Diminudon gen. nov. and two new species: D. schomannae sp. nov. and D. kachinensis sp. nov. Simultaneously our analyses provide new insights into the evolution and classification of the entire subfamily. We also discuss the unusually small size of the newly described Paederinae, which may represent an additional case for miniaturization in the Cretaceous.

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“…Recently, a few other examples have been proposed ( e.g ., Buckley et al. ; Conner and Corcoran ; Maruyama and Parker ), illustrating how intricate the evolution of derived ecological and morphological features can be. Based on our results, we propose giant damselflies as a complimentary, textbook case of ecomorphological convergence among invertebrates.…”

Section: Resultsmentioning

confidence: 99%

“…Finding an example of convergence among such conspicuous taxa highlights the need to assess similar patterns more deeply and broadly across invertebrates, notably within insects. Recently, a few other examples have been proposed (e.g., Buckley et al 2009;Conner and Corcoran 2012;Maruyama and Parker 2017), illustrating how intricate the evolution of derived ecological and morphological features can be. Based on our results, we propose giant damselflies as a complimentary, textbook case of ecomorphological convergence among invertebrates.…”

Section: Discussionmentioning

confidence: 99%

“…For example, eusociality evolved independently in termites, ants, bees, wasps, and ambrosia beetles (Rust and Wappler 2016). A recent phylogenetic study of rove beetles (Staphylinidae) showed that myrmecophily in army ant colonies has evolved at least 12 times (Maruyama and Parker 2017). Among myrmecophilous lineages, different ant-nest beetle lineages (Coleoptera, Carabidae, Paussinae) evolved convergent phenotypes across the Afrotropics in response to high selective pressure from ant-host lineages (Moore and Robertson 2014).…”

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confidence: 99%

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Forest giants on different evolutionary branches: Ecomorphological convergence in helicopter damselflies*

et al. 2019

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The convergent evolution of analogous features is an evolutionary process occurring independently across the tree of life. From the evolution of echolocation, prehensile tail, viviparity, or winged flight, environmental factors often drive this astonishing phenomenon. However, convergent evolution is not always conspicuous or easily identified. Giant damselflies count among the largest flying insects on Earth, and have astonishing ecologies including orb‐web spider plucking and oviposition in phytotelmata. One species occurs in the Afrotropics and 18 species are found in the Neotropics. Convergent evolution was historically hypothesized based on the ecological and morphological affinities of these two geographically distant lineages but was not supported by earlier phylogenetic inferences supporting their monophyly. Using a molecular supermatrix approach and a large selection of outgroups, we revisit and reject the monophyly of Afrotropical and Neotropical giant damselflies that is otherwise supported by a morphological phylogeny. Molecular divergence time estimation suggests an origin of Afrotropical giant damselflies in the late Paleogene, and of Neotropical ones at the Cretaceous/Paleogene boundary, thereby rejecting a long‐standing West Gondwana vicariance hypothesis. The strong ecological and morphological resemblances between these two independent lineages represents an astonishing case of Amphi‐Atlantic tropical convergent evolution.

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Deep-Time Convergence in Rove Beetle Symbionts of Army Ants

Cited by 66 publications

References 29 publications

To be biased or to be Neotropical: systematic reassessment of a megadiverse lineage of rove‐beetles (Philonthina, Staphylinini, Staphylininae)

To be biased or to be Neotropical: systematic reassessment of a megadiverse lineage of rove‐beetles (Philonthina, Staphylinini, Staphylininae)

Total‐evidence approach reveals an extinct lineage of Paederinae rove beetles from Cretaceous Burmese amber

Forest giants on different evolutionary branches: Ecomorphological convergence in helicopter damselflies*

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