First non-feeding Sericini beetles (Coleoptera, Scarabaeidae): new genus from Amazonia and phylogenetic position
Two unusual scarab species discovered from two localities in the Amazonian Basin are described. We used comparative morphology and phylogenetic analysis to infer their systematic placement. A parsimony-based phylogenetic analysis was performed using 108 morphological characters from adults and larva...
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| Veröffentlicht in: | Organisms diversity & evolution 2022, Vol.22 (3), p.733-748 |
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| creator | Pacheco, Thaynara L. Monné, Marcela L. Vaz-de-Mello, Fernando Z. Ahrens, Dirk |
| description | Two unusual scarab species discovered from two localities in the Amazonian Basin are described. We used comparative morphology and phylogenetic analysis to infer their systematic placement. A parsimony-based phylogenetic analysis was performed using 108 morphological characters from adults and larvae. Taxon sampling represented most ‘traditional’ subfamilies of coprophagous and phytophagous Scarabaeidae. Given the apparent presence of some morphological key characters, we emphasized Sericini and other Melolonthinae lineages in order to assess as accurately as possible their systematic placement. Phylogenetic analysis revealed them to be part of the clade of South American Sericini and to represent a new genus (
Parasymmela
gen. n.) which was distinctive in several apomorphies. We were able to distinguish two separate species,
Parasymmela amazonica
sp. n. and
P. howdeni
sp. n. The strong reduction of mouthparts in
Parasymmela
led us to believe that it represents the first non-feeding taxon among the megadiverse tribe Sericini, which is discussed in the light of the evolutionary biology and feeding behavior of all phytophagous scarab lineages. For the South American Sericini, repeatedly retrieved as sister to all other Sericini, the subtribe Astaenina Burmeister, 1855 (type genus:
Astaena
Erichson, 1847) is re-established (currently in synonymy with Sericina Kirby, 1837).
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| doi_str_mv | 10.1007/s13127-022-00555-x |
| format | Article |
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Parasymmela
gen. n.) which was distinctive in several apomorphies. We were able to distinguish two separate species,
Parasymmela amazonica
sp. n. and
P. howdeni
sp. n. The strong reduction of mouthparts in
Parasymmela
led us to believe that it represents the first non-feeding taxon among the megadiverse tribe Sericini, which is discussed in the light of the evolutionary biology and feeding behavior of all phytophagous scarab lineages. For the South American Sericini, repeatedly retrieved as sister to all other Sericini, the subtribe Astaenina Burmeister, 1855 (type genus:
Astaena
Erichson, 1847) is re-established (currently in synonymy with Sericina Kirby, 1837).
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Parasymmela
gen. n.) which was distinctive in several apomorphies. We were able to distinguish two separate species,
Parasymmela amazonica
sp. n. and
P. howdeni
sp. n. The strong reduction of mouthparts in
Parasymmela
led us to believe that it represents the first non-feeding taxon among the megadiverse tribe Sericini, which is discussed in the light of the evolutionary biology and feeding behavior of all phytophagous scarab lineages. For the South American Sericini, repeatedly retrieved as sister to all other Sericini, the subtribe Astaenina Burmeister, 1855 (type genus:
Astaena
Erichson, 1847) is re-established (currently in synonymy with Sericina Kirby, 1837).
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Monné, Marcela L. ; Vaz-de-Mello, Fernando Z. ; Ahrens, Dirk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c249t-eab71372fb3aaa20bbe3598964d468d4b1ca4fdd7359435c220b2bd6a943ab123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Analysis</topic><topic>Animal Systematics/Taxonomy/Biogeography</topic><topic>Biodiversity</topic><topic>Biology</topic><topic>Biomedical and Life Sciences</topic><topic>Coleoptera</topic><topic>Developmental Biology</topic><topic>Evolutionary Biology</topic><topic>Feeding behavior</topic><topic>Feeding habits</topic><topic>Larvae</topic><topic>Life Sciences</topic><topic>Morphology</topic><topic>Mouth</topic><topic>Mouthparts</topic><topic>New genera</topic><topic>New genus</topic><topic>Original Article</topic><topic>Phylogenetics</topic><topic>Phylogeny</topic><topic>Placement</topic><topic>Plant Systematics/Taxonomy/Biogeography</topic><topic>Scarabaeidae</topic><topic>Sericini</topic><topic>Synonymy</topic><topic>Taxa</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pacheco, Thaynara L.</creatorcontrib><creatorcontrib>Monné, Marcela L.</creatorcontrib><creatorcontrib>Vaz-de-Mello, Fernando Z.</creatorcontrib><creatorcontrib>Ahrens, Dirk</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Organisms diversity & evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pacheco, Thaynara L.</au><au>Monné, Marcela L.</au><au>Vaz-de-Mello, Fernando Z.</au><au>Ahrens, Dirk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First non-feeding Sericini beetles (Coleoptera, Scarabaeidae): new genus from Amazonia and phylogenetic position</atitle><jtitle>Organisms diversity & evolution</jtitle><stitle>Org Divers Evol</stitle><date>2022</date><risdate>2022</risdate><volume>22</volume><issue>3</issue><spage>733</spage><epage>748</epage><pages>733-748</pages><issn>1439-6092</issn><eissn>1618-1077</eissn><abstract>Two unusual scarab species discovered from two localities in the Amazonian Basin are described. We used comparative morphology and phylogenetic analysis to infer their systematic placement. A parsimony-based phylogenetic analysis was performed using 108 morphological characters from adults and larvae. Taxon sampling represented most ‘traditional’ subfamilies of coprophagous and phytophagous Scarabaeidae. Given the apparent presence of some morphological key characters, we emphasized Sericini and other Melolonthinae lineages in order to assess as accurately as possible their systematic placement. Phylogenetic analysis revealed them to be part of the clade of South American Sericini and to represent a new genus (
Parasymmela
gen. n.) which was distinctive in several apomorphies. We were able to distinguish two separate species,
Parasymmela amazonica
sp. n. and
P. howdeni
sp. n. The strong reduction of mouthparts in
Parasymmela
led us to believe that it represents the first non-feeding taxon among the megadiverse tribe Sericini, which is discussed in the light of the evolutionary biology and feeding behavior of all phytophagous scarab lineages. For the South American Sericini, repeatedly retrieved as sister to all other Sericini, the subtribe Astaenina Burmeister, 1855 (type genus:
Astaena
Erichson, 1847) is re-established (currently in synonymy with Sericina Kirby, 1837).
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| subjects | Analysis Animal Systematics/Taxonomy/Biogeography Biodiversity Biology Biomedical and Life Sciences Coleoptera Developmental Biology Evolutionary Biology Feeding behavior Feeding habits Larvae Life Sciences Morphology Mouth Mouthparts New genera New genus Original Article Phylogenetics Phylogeny Placement Plant Systematics/Taxonomy/Biogeography Scarabaeidae Sericini Synonymy Taxa |
| title | First non-feeding Sericini beetles (Coleoptera, Scarabaeidae): new genus from Amazonia and phylogenetic position |
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