The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)

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Simple eyes or ocelli coexist with compound eyes in many adult insects. The change in the morphology of the ocelli along the five larval instars of Triatoma infestans was studied by light and scanning electron microscopy. Our analysis showed that the development of the ocelli of these bugs occurs gr...

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Detalles Bibliográficos
Autores principales: Insausti, T.C., Lazzari, C.R.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 2000
Materias:
Chagas disease
Development
Ocelli
Triatoma infestans
Heteroptera
Hexapoda
Reduviidae
animal
article
disease carrier
electron microscopy
eye
growth, development and aging
Triatoma
ultrastructure
Animals
Eye
Insect Vectors
Microscopy, Electron
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00740276_v95_n6_p877_Insausti
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paperaa:paper_00740276_v95_n6_p877_Insausti
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spelling paperaa:paper_00740276_v95_n6_p877_Insausti2023-06-12T16:45:50Z The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae) Mem. Inst. Oswaldo Cruz 2000;95(6):877-881 Insausti, T.C. Lazzari, C.R. Chagas disease Development Ocelli Triatoma infestans Heteroptera Hexapoda Reduviidae Triatoma infestans animal article disease carrier electron microscopy eye growth, development and aging Triatoma ultrastructure Animals Eye Insect Vectors Microscopy, Electron Triatoma Simple eyes or ocelli coexist with compound eyes in many adult insects. The change in the morphology of the ocelli along the five larval instars of Triatoma infestans was studied by light and scanning electron microscopy. Our analysis showed that the development of the ocelli of these bugs occurs gradually along the larval life. The photoreceptor layer is present from the second-instar onwards. The cornea appears first at the imaginal stage and grows up to the 18-20th day after the last ecdysis, associated to an increase in the retinal mass. Findings are discussed in a comparative fashion and in relation to the functionality of the ocellar system in T. infestans. Fil:Insausti, T.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Lazzari, C.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2000 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00740276_v95_n6_p877_Insausti
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic Chagas disease
Development
Ocelli
Triatoma infestans
Heteroptera
Hexapoda
Reduviidae
Triatoma infestans
animal
article
disease carrier
electron microscopy
eye
growth, development and aging
Triatoma
ultrastructure
Animals
Eye
Insect Vectors
Microscopy, Electron
Triatoma
spellingShingle Chagas disease
Development
Ocelli
Triatoma infestans
Heteroptera
Hexapoda
Reduviidae
Triatoma infestans
animal
article
disease carrier
electron microscopy
eye
growth, development and aging
Triatoma
ultrastructure
Animals
Eye
Insect Vectors
Microscopy, Electron
Triatoma
Insausti, T.C.
Lazzari, C.R.
The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
topic_facet Chagas disease
Development
Ocelli
Triatoma infestans
Heteroptera
Hexapoda
Reduviidae
Triatoma infestans
animal
article
disease carrier
electron microscopy
eye
growth, development and aging
Triatoma
ultrastructure
Animals
Eye
Insect Vectors
Microscopy, Electron
Triatoma
description Simple eyes or ocelli coexist with compound eyes in many adult insects. The change in the morphology of the ocelli along the five larval instars of Triatoma infestans was studied by light and scanning electron microscopy. Our analysis showed that the development of the ocelli of these bugs occurs gradually along the larval life. The photoreceptor layer is present from the second-instar onwards. The cornea appears first at the imaginal stage and grows up to the 18-20th day after the last ecdysis, associated to an increase in the retinal mass. Findings are discussed in a comparative fashion and in relation to the functionality of the ocellar system in T. infestans.
format Artículo
Artículo
publishedVersion
author Insausti, T.C.
Lazzari, C.R.
author_facet Insausti, T.C.
Lazzari, C.R.
author_sort Insausti, T.C.
title The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
title_short The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
title_full The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
title_fullStr The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
title_full_unstemmed The Postembryonic Development of the Ocellar System of Triatoma infestans Klug (Heteroptera: Reduviidae)
title_sort postembryonic development of the ocellar system of triatoma infestans klug (heteroptera: reduviidae)
publishDate 2000
url http://hdl.handle.net/20.500.12110/paper_00740276_v95_n6_p877_Insausti
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AT insaustitc postembryonicdevelopmentoftheocellarsystemoftriatomainfestansklugheteropterareduviidae
AT lazzaricr postembryonicdevelopmentoftheocellarsystemoftriatomainfestansklugheteropterareduviidae
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