Larval structure of Passalus gravelyi and sexual dimorphism in Passalid larvae
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidad de Costa Rica
2015
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| _version_ | 1876474044907257856 |
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| author | Ingrid Mattos |
| author_facet | Ingrid Mattos |
| contents | Larval structure of Passalus gravelyi and sexual dimorphism in Passalid larvae Ingrid Mattos José Ricardo Miras Mermudes Pedro Reyes-Castillo Biología Immatures Passalini morphology Passalinae Neotropical The adults and larvae of Passalidae are subsocial insects commonly found in tropical forests, livingin decaying wood gallery systems constructed by adults. Currently, few repots on the larvae of NeotropicalPassalidae have been published and information is scarce. In this study, thePassalus (Pertinax) gravelyiMoreira, 1922 larvae is described for the first time, based on ten larval specimens 1 (1° instar), 4 (2º instar),and 5 (3º instar) associated with three adults collected from a single colony at the Parque Nacional do Itatiaia(Itatiaia, Rio de Janeiro, Brazil). The description was carried out based on electronic and digital photographs ofdiagnostic structures, with some details on the systematic of the species. The larvae ofPassalus gravelyihas thegeneral setal ‘Pertinax’ pattern and differed from others by 16 to 18 setae on the anal ring, the other larvae datafrom Brazilian species show the anal ring with 10 to 12 setae. A discussion on the presence of sexual dimorphismin 62 species of two and three instars of Passalidae larvae is provided for the first time. Besides, a descriptionof theterminal ampullapresent as a cuticular structure found in the medial-ventral area of the 9th abdominalsternite in males is also given. Theterminal ampullawas only observed in the Passalidae male larvae and wasnot visible in female larvae. Theterminal ampullaare acknowledged now in males of 64 passalid species, thatare taxonomically distributed in world tropical forests, at the Oriental and Australian subfamily Aulacocyclinae(Aulacocyclini & Ceracupini) and the cosmotropical subfamily Passalinae (Solenocyclini, Macrolinini,Passalini, & Proculini). Rev. Biol. Trop. 63 (3): 695-704. Epub 2015 September 01. 2015 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44939781012 https://www.redalyc.org/journal/449/44939781012/ https://www.redalyc.org/journal/449/44939781012/html/ https://www.redalyc.org/journal/449/44939781012/44939781012.epub https://www.redalyc.org/journal/449/44939781012/movil en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.3 Vol.63 |
| format | Artículo científico |
| id | redalyc_44939781012 |
| institution | Redalyc |
| language | en |
| publishDate | 2015 |
| publisher | Universidad de Costa Rica |
| spellingShingle | Larval structure of Passalus gravelyi and sexual dimorphism in Passalid larvae Ingrid Mattos Biología Immatures Passalini morphology Passalinae Neotropical Larval structure of Passalus gravelyi and sexual dimorphism in Passalid larvae Ingrid Mattos José Ricardo Miras Mermudes Pedro Reyes-Castillo Biología Immatures Passalini morphology Passalinae Neotropical The adults and larvae of Passalidae are subsocial insects commonly found in tropical forests, livingin decaying wood gallery systems constructed by adults. Currently, few repots on the larvae of NeotropicalPassalidae have been published and information is scarce. In this study, thePassalus (Pertinax) gravelyiMoreira, 1922 larvae is described for the first time, based on ten larval specimens 1 (1° instar), 4 (2º instar),and 5 (3º instar) associated with three adults collected from a single colony at the Parque Nacional do Itatiaia(Itatiaia, Rio de Janeiro, Brazil). The description was carried out based on electronic and digital photographs ofdiagnostic structures, with some details on the systematic of the species. The larvae ofPassalus gravelyihas thegeneral setal ‘Pertinax’ pattern and differed from others by 16 to 18 setae on the anal ring, the other larvae datafrom Brazilian species show the anal ring with 10 to 12 setae. A discussion on the presence of sexual dimorphismin 62 species of two and three instars of Passalidae larvae is provided for the first time. Besides, a descriptionof theterminal ampullapresent as a cuticular structure found in the medial-ventral area of the 9th abdominalsternite in males is also given. Theterminal ampullawas only observed in the Passalidae male larvae and wasnot visible in female larvae. Theterminal ampullaare acknowledged now in males of 64 passalid species, thatare taxonomically distributed in world tropical forests, at the Oriental and Australian subfamily Aulacocyclinae(Aulacocyclini & Ceracupini) and the cosmotropical subfamily Passalinae (Solenocyclini, Macrolinini,Passalini, & Proculini). Rev. Biol. Trop. 63 (3): 695-704. Epub 2015 September 01. 2015 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44939781012 https://www.redalyc.org/journal/449/44939781012/ https://www.redalyc.org/journal/449/44939781012/html/ https://www.redalyc.org/journal/449/44939781012/44939781012.epub https://www.redalyc.org/journal/449/44939781012/movil en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.3 Vol.63 |
| title | Larval structure of Passalus gravelyi and sexual dimorphism in Passalid larvae |
| topic | Biología Immatures Passalini morphology Passalinae Neotropical |
| url | https://www.redalyc.org/articulo.oa?id=44939781012 https://www.redalyc.org/journal/449/44939781012/ https://www.redalyc.org/journal/449/44939781012/html/ https://www.redalyc.org/journal/449/44939781012/44939781012.epub https://www.redalyc.org/journal/449/44939781012/movil |