A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)

A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)

A new genus of Baetidae, Megalabiops gen. nov., and a new species, M. madagasikara sp. nov., are described from Madagascar based on nymphs. The new genus is characterized by having a strongly enlarged mentum; pedicelli with many long, stout, pointed setae; a brush of dense, short setae between prost...

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Autores principales: Thomas Kaltenbach, Jean-Luc Gattolliat
Formato: article
Lenguaje:EN
Publicado: Pensoft Publishers 2021
Materias:
Science
Q
Ecology
QH540-549.5
General. Including nature conservation, geographical distribution
QH1-199.5
Acceso en línea:https://doaj.org/article/532d5b078a774f3abf1750a67c3e0cde
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spelling oai:doaj.org-article:532d5b078a774f3abf1750a67c3e0cde2021-11-14T04:30:15ZA new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)10.3897/afrinvertebr.62.739112305-2562https://doaj.org/article/532d5b078a774f3abf1750a67c3e0cde2021-11-01T00:00:00Zhttps://africaninvertebrates.pensoft.net/article/73911/download/pdf/https://africaninvertebrates.pensoft.net/article/73911/download/xml/https://africaninvertebrates.pensoft.net/article/73911/https://doaj.org/toc/2305-2562A new genus of Baetidae, Megalabiops gen. nov., and a new species, M. madagasikara sp. nov., are described from Madagascar based on nymphs. The new genus is characterized by having a strongly enlarged mentum; pedicelli with many long, stout, pointed setae; a brush of dense, short setae between prostheca and mola of both mandibles; an apically pointed maxillary palp with a stout seta at the tip; and a labium with many long, simple setae ventrally on glossae. The patellotibial suture is absent on the fore tibia and present on middle and hind tibiae. The claw is strongly elongated with two rows of denticles. The imago remains unknown and the relationships with other African genera of Baetidae are tentative. Despite being easily identifiable, only two nymphs were found in two highly sampled localities in Madagascar.Thomas KaltenbachJean-Luc GattolliatPensoft PublishersarticleScienceQEcologyQH540-549.5General. Including nature conservation, geographical distributionQH1-199.5ENAfrican Invertebrates, Vol 62, Iss 2, Pp 465-484 (2021)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
Ecology
QH540-549.5
General. Including nature conservation, geographical distribution
QH1-199.5
spellingShingle Science
Q
Ecology
QH540-549.5
General. Including nature conservation, geographical distribution
QH1-199.5
Thomas Kaltenbach
Jean-Luc Gattolliat
A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
description A new genus of Baetidae, Megalabiops gen. nov., and a new species, M. madagasikara sp. nov., are described from Madagascar based on nymphs. The new genus is characterized by having a strongly enlarged mentum; pedicelli with many long, stout, pointed setae; a brush of dense, short setae between prostheca and mola of both mandibles; an apically pointed maxillary palp with a stout seta at the tip; and a labium with many long, simple setae ventrally on glossae. The patellotibial suture is absent on the fore tibia and present on middle and hind tibiae. The claw is strongly elongated with two rows of denticles. The imago remains unknown and the relationships with other African genera of Baetidae are tentative. Despite being easily identifiable, only two nymphs were found in two highly sampled localities in Madagascar.
format article
author Thomas Kaltenbach
Jean-Luc Gattolliat
author_facet Thomas Kaltenbach
Jean-Luc Gattolliat
author_sort Thomas Kaltenbach
title A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
title_short A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
title_full A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
title_fullStr A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
title_full_unstemmed A new genus from Madagascar with strongly enlarged labium (Ephemeroptera, Baetidae)
title_sort new genus from madagascar with strongly enlarged labium (ephemeroptera, baetidae)
publisher Pensoft Publishers
publishDate 2021
url https://doaj.org/article/532d5b078a774f3abf1750a67c3e0cde
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AT jeanlucgattolliat anewgenusfrommadagascarwithstronglyenlargedlabiumephemeropterabaetidae
AT thomaskaltenbach newgenusfrommadagascarwithstronglyenlargedlabiumephemeropterabaetidae
AT jeanlucgattolliat newgenusfrommadagascarwithstronglyenlargedlabiumephemeropterabaetidae
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