Hydraenidae of Madagascar (Insecta: Coleoptera)

Perkins, Philip D.

doi:10.11646/zootaxa.4342.1.1

Cited by 898 publications

(18 citation statements)

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“…(7) O. marinus group: the Palaearctic species of the O. marinus group, the most speciose within Ochthebius s.s., were revised by Jäch (). According to our results it includes the species of the O. jengi group sensu Jäch () and also species from the Nearctic and Neotropical regions ( O. biincisus , bisinuatus and interruptus groups of Perkins, ); the Afrotropical Region ( O. extremus and salinarius groups of Perkins & Balfour‐Browne, ; Perkins, ; O. capicola group of Sabatelli et al ., ), including Madagascar ( O. alluaudi Régimbart; Perkins, ); the Oriental Region ( O. masatakasatoi Jäch; Jäch, ; Jäch & Delgado, ); and the Australian Region ( O. queenslandicus Hansen; Jäch, ; Perkins, ).…”

Section: Discussionmentioning

confidence: 99%

A molecular phylogeny of the tribe Ochthebiini (Coleoptera, Hydraenidae, Ochthebiinae)

Villastrigo

Jäch

Cardoso

et al. 2018

Systematic Entomology

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Ochthebiinae, with c. 650 species distributed worldwide, are the second most speciose subfamily of the aquatic beetle family Hydraenidae. They are ecologically the most diverse hydraenid subfamily, with terrestrial species as well as species in almost all types of aquatic habitats, including hypersaline waters. Ochthebiinae include the tribes Ochtheosini (four species in three genera) and Ochthebiini. We provide here the first comprehensive phylogeny of the tribe Ochthebiini, based on 186 species and four subspecies from most genera, subgenera and species groups. We obtained sequence data for a combination of mitochondrial and nuclear gene fragments including the 5 ′ and 3 ′ ends of the cytochrome c oxidase subunit 1, the 5 ′ end of 16S RNA plus the leucine tRNA transfer plus 5 ′ end of NADH dehydrogenase subunit I, and internal fragments of the large and small ribosomal units. The analyses with maximum likelihood (ML) and Bayesian probabilities consistently recovered a generally well supported phylogeny, with most currently accepted taxa and species groups as monophyletic. We provide a new classification of the tribe based on our phylogenetic results, with six genera: Meropathus Enderlein, Ochthebius Leach, Protochthebius Perkins, Prototympanogaster Perkins, Tympallopatrum Perkins and Tympanogaster Janssens. The genus Ochthebius is here divided into nine subgenera in addition to Ochthebius s.s.: (1) O. (Angiochthebius) Jäch & Ribera; (2) O. (Asiobates) Thomson; (3) O. (Aulacochthebius) Kuwert; (4) O. (Cobalius) Rey; (5) O. (Enicocerus) Stephens; (6) O. (Gymnanthelius) Perkins comb.n.; (7) O. (Gymnochthebius) Orchymont; (8) O. (Hughleechia) Perkins comb.n.; and (9) O. (Micragasma) Sahlberg. Within Ochthebius s.s., 17 species groups are proposed, five of them newly established (3, 9, 11, 13 and 16): (1sumatrensis; and (17) vandykei. We elevated to species rank two subspecies of Ochthebius: O. fallaciosus Ganglbauer stat.n. (former subspecies of O. viridis Peyron) and O. deletus Rey stat.rest. (former subspecies of O. subpictus Wollaston).

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Section: Discussionmentioning

confidence: 99%

A molecular phylogeny of the tribe Ochthebiini (Coleoptera, Hydraenidae, Ochthebiinae)

Villastrigo

Jäch

Cardoso

et al. 2018

Systematic Entomology

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“…The current fauna has been shown to be a mix of ancient endemics (57), Cenozoic colonizers, as well as perhaps serving as a source of lineages back-dispersing to mainland Africa (29), a finding which should be tested with wider taxon sampling. A faunistic link between Madagascar and the South African Cape has been highlighted in dytiscids (110) and Hydraenidae (102).…”

Section: Africa and Madagascarmentioning

confidence: 99%

Water Beetles as Models in Ecology and Evolution

Bilton

Ribera

Short

2019

Annu. Rev. Entomol.

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Beetles have colonized water many times during their history, with some of these events involving extensive evolutionary radiations and multiple transitions between land and water. With over 13,000 described species, they are one of the most diverse macroinvertebrate groups in most nonmarine aquatic habitats and occur on all continents except Antarctica. A combination of wide geographical and ecological range and relatively accessible taxonomy makes these insects an excellent model system for addressing a variety of questions in ecology and evolution. Work on water beetles has recently made important contributions to fields as diverse as DNA taxonomy, macroecology, historical biogeography, sexual selection, and conservation biology, as well as predicting organismal responses to global change. Aquatic beetles have some of the best resolved phylogenies of any comparably diverse insect group, and this, coupled with recent advances in taxonomic and ecological knowledge, is likely to drive an expansion of studies in the future.

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“…2000 of which are described), the minute moss beetles or Hydraenidae, may be second only to the diving beetles (Dytiscidae) in terms of global water beetle diversity. Hydraenids are found in all biogeographical regions, from the Arctic to the Antarctic islands and include a high proportion of narrowly endemic taxa, particularly in areas with tropical and subtropical/Mediterranean climates (e.g., Perkins, 2011Perkins, , 2017Perkins & Balfour-Browne, 1994;Trizzino et al, 2013). Most hydraenids are small, as their most commonly used English name suggests, modal body size in the family being around 2 mm.…”

Section: Introductionmentioning

confidence: 99%

“…The remaining ones are found mostly in the Southern Hemisphere, and occupy the entire range of habitats utilized by extant Hydraenidae (with the exception of saline waters), from mountain streams, wetlands, rock pools and wet rock faces, to forest litter (see Bilton, 2014aBilton, , 2014bBilton, , 2015aBilton, , 2015bBilton, , 2015cBilton, , 2017Bilton, , 2018Perkins, 2005aPerkins, , 2008Perkins, , 2009Perkins, , 2017Perkins & Balfour-Browne, 1994). These genera, here termed the 'Gondwana group', are morphologically and ecologically diverse (Figure 1) and classified across all four currently recognized hydraenid subfamilies (see Table 1; Hansen, 1998).…”

Section: Introductionmentioning

confidence: 99%

“…Orchymontiinae Perkins were proposed to accommodate three genera of lotic New Zealand hydraenids (Homalaena Ordish, Orchymontia Broun and Podaena Ordish), which Beutel et al (2003) considered basal within the family, based on an analysis of head morphology. Within Hydraeninae, Perkins (1997) proposed three new tribes: Hydraenidini (South America), Parhydraenini (sub-Saharan Africa and the Malagasy Region) and Madagastrini (Malagasy Region and India) (see Bilton, 2021;Perkins, 1980Perkins, , 1997Perkins, , 2009Perkins, , 2017. Perkins (2017) moved the Madagastrini from the Hydraeninae to the Prosthetopinae, on the basis of antennal segmentation.…”

Section: Introductionmentioning

confidence: 99%

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Minute moss beetles in the Southern Hemisphere: Molecular phylogeny, historical biogeography and habitat shifts (Coleoptera: Hydraenidae)

Bilton

Jäch

Ribera

et al. 2022

Systematic Entomology

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Minute moss beetles (Hydraenidae) are one of the most speciose and widespread families of aquatic Coleoptera, with an estimated 4,000 extant species, found in the majority of aquatic habitats from coastal rock pools to mountain streams and from the Arctic Circle to the Antarctic islands. Molecular phylogenetic works have improved our understanding of the evolutionary history of the megadiverse Hydraena, Limnebius and Ochthebius in recent years, but most genera in the family have not yet been included in any phylogenetic analyses, particularly most of those which are restricted to the Southern Hemisphere. Using a multimarker molecular matrix, sampling over 40% of described species richness and 75% of currently recognized genera, we infer a comprehensive molecular phylogeny of these predominantly Gondwanan Hydraenidae. Whilst the genera we focus on are morphologically diverse, and currently classified across all four hydraenid subfamilies, our phylogenetic analyses suggest that these Gondwanan genera may instead constitute a single clade. As a result of our findings, the African genus Oomtelecopon Perkins syn.n. is shown to nest within Coelometopon Janssens, the New Zealand Homalaena Ordish syn.n. and Podaena Ordish syn.n. are synonymised with Orchymontia Broun, and the South African Pterosthetops Perkins syn.n. is synonymised with Prosthetops Waterhouse, resulting in Pterosthetopini Perkins syn.n. being synonymised with Prosthetopini Perkins. Mesoceratops Bilton & Jäch gen.n. is erected to accommodate six former members of Mesoceration Janssens, which is shown to be polyphyletic. We propose the replacement name Orchymontia ordishi Jäch & Bilton nom.n. for Homalaena dilatata Ordish, 1984 (now a junior homonym); altogether 39new combinations are proposed. Our Bayesian divergence times infer an origin for this "Gondwana group" of genera in Africa plus Madagascar in the mid-Cretaceous and suggest that both vicariant and dispersal processes, together with extinctions, have shaped the biogeographic history of these beetles in the Southern Hemisphere during the Cretaceous, resulting in geographically conserved extant lineages. Finally, we reconstruct ancestral habitat shifts across our phylogeny, revealing numerous changes in habitat occupancy in these genera, including multiple origins of fully terrestrial, humicolous taxa in different regions.

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Hydraenidae of Madagascar (Insecta: Coleoptera)

Cited by 898 publications

References 3 publications

A molecular phylogeny of the tribe Ochthebiini (Coleoptera, Hydraenidae, Ochthebiinae)

A molecular phylogeny of the tribe Ochthebiini (Coleoptera, Hydraenidae, Ochthebiinae)

Water Beetles as Models in Ecology and Evolution

Minute moss beetles in the Southern Hemisphere: Molecular phylogeny, historical biogeography and habitat shifts (Coleoptera: Hydraenidae)

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