Temporal change of the aggregation response in Triatoma infestans
Adults and larvae of Triatoma infestans spend daylight hours assembled in shaded places. An assembling factor has been demonstrated in the excrement of this species. We analysed different aspects of the dynamics of the response of bugs. Recently fed insects do not aggregate around faeces. They start...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Fundação Oswaldo Cruz (FIOCRUZ)
2000-12-01
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| Series: | Memorias do Instituto Oswaldo Cruz |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762000000600026 |
| _version_ | 1797703111340457984 |
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| author | Alicia Nieves Lorenzo Figueiras Claudio Ricardo Lazzari |
| author_facet | Alicia Nieves Lorenzo Figueiras Claudio Ricardo Lazzari |
| author_sort | Alicia Nieves Lorenzo Figueiras |
| collection | DOAJ |
| description | Adults and larvae of Triatoma infestans spend daylight hours assembled in shaded places. An assembling factor has been demonstrated in the excrement of this species. We analysed different aspects of the dynamics of the response of bugs. Recently fed insects do not aggregate around faeces. They start to show a significant assembling response from the 8th hour after feeding onwards. Just deposited faeces do not evoke assembling, but a significant rejection instead. This reaction switches 3 h after deposition, when the faeces become attractive to the insects. The attractiveness of faeces persists for about 10 days and can be recovered after this time by rehydration. These findings are discussed in relation to the biological role of faeces and the dynamics of the use of refuges by T. infestans. |
| first_indexed | 2024-03-12T04:59:41Z |
| format | Article |
| id | doaj.art-625028fb9be74ff5bf64723f098c3555 |
| institution | Directory Open Access Journal |
| issn | 0074-0276 1678-8060 |
| language | English |
| last_indexed | 2024-03-12T04:59:41Z |
| publishDate | 2000-12-01 |
| publisher | Fundação Oswaldo Cruz (FIOCRUZ) |
| record_format | Article |
| series | Memorias do Instituto Oswaldo Cruz |
| spelling | doaj.art-625028fb9be74ff5bf64723f098c35552023-09-03T09:14:08ZengFundação Oswaldo Cruz (FIOCRUZ)Memorias do Instituto Oswaldo Cruz0074-02761678-80602000-12-0195688989210.1590/S0074-02762000000600026Temporal change of the aggregation response in Triatoma infestansAlicia Nieves Lorenzo FigueirasClaudio Ricardo LazzariAdults and larvae of Triatoma infestans spend daylight hours assembled in shaded places. An assembling factor has been demonstrated in the excrement of this species. We analysed different aspects of the dynamics of the response of bugs. Recently fed insects do not aggregate around faeces. They start to show a significant assembling response from the 8th hour after feeding onwards. Just deposited faeces do not evoke assembling, but a significant rejection instead. This reaction switches 3 h after deposition, when the faeces become attractive to the insects. The attractiveness of faeces persists for about 10 days and can be recovered after this time by rehydration. These findings are discussed in relation to the biological role of faeces and the dynamics of the use of refuges by T. infestans.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762000000600026TriatominaeChagasaggregation behaviourtemporal-change |
| spellingShingle | Alicia Nieves Lorenzo Figueiras Claudio Ricardo Lazzari Temporal change of the aggregation response in Triatoma infestans Memorias do Instituto Oswaldo Cruz Triatominae Chagas aggregation behaviour temporal-change |
| title | Temporal change of the aggregation response in Triatoma infestans |
| title_full | Temporal change of the aggregation response in Triatoma infestans |
| title_fullStr | Temporal change of the aggregation response in Triatoma infestans |
| title_full_unstemmed | Temporal change of the aggregation response in Triatoma infestans |
| title_short | Temporal change of the aggregation response in Triatoma infestans |
| title_sort | temporal change of the aggregation response in triatoma infestans |
| topic | Triatominae Chagas aggregation behaviour temporal-change |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762000000600026 |
| work_keys_str_mv | AT alicianieveslorenzofigueiras temporalchangeoftheaggregationresponseintriatomainfestans AT claudioricardolazzari temporalchangeoftheaggregationresponseintriatomainfestans |