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Behavioral evidence of an ectoparasitic interaction between Triatoma pseudomaculata Corrêa e Espínola (Heteroptera: Reduviidae) and Periplaneta americana (L.) (Blattodea: Blattidae) Neotropical Entomology
Pontes,GB; Noireau,F; Lorenzo,MG.
The present work tested whether Triatoma pseudomaculata Corrêa & Espínola shows behavioral traits indicating that it is capable of feeding on arthropods. We consistently observed nymphs extending their proboscis in the direction of cockroaches and attempting to bite. Insects presented a preference for biting specific cockroach body parts. Our results suggest that arthropod hemolymph represents an alternative source of food that increases the survival of T. pseudomaculata individuals undergoing long starvation.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Behavior; Chagas disease; Cockroach; Triatomine.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2011000600013
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Bioactivity of the latex from Parahancornia amapa (Apocynaceae) on the development of Rhodnius nasutus (Hemiptera, Reduviidae, Triatominae) under laboratory conditions Rev. Bras. entomol.
Lopes,Marcio B. P.; Mendonça,Paloma M.; Mallet,Jacenir R. S.; Carvalho,Mário G.; Queiroz,Margareth M. C..
Bioactivity of the latex from Parahancornia amapa (Apocynaceae) on the development of Rhodnius nasutus (Hemiptera, Reduviidae, Triatominae) under laboratory conditions. The aim of this study was to verify the effects of the methanolic fraction of the latex from Parahancornia amapa (Apocynaceae) (PALAM) on individuals of the species Rhodnius nasutus Stål (Hemiptera, Triatominae). Many of the insects treated with the substance presented deformities and these may interfere in the feeding and possibly hinder the reproductive capacity. They also presented significant mortality during the molt when compared to the control group, noting a gradual increase in mortality. The treated insects also presented delayed nymphal development (5th instar) and higher adult...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Laboratory; Conditions; Natural products; PALAM; Triatomine; Vector control.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262014000400012
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First record of Megaselia scalaris (Loew) (Diptera: Phoridae) infesting laboratory colonies of Triatoma brasiliensis Neiva (Hemiptera: Reduviidae) Neotropical Entomology
Costa,Jane; Almeida,Carlos E.; Esperança,Gleidson M.; Morales,Nínive; Mallet,Jacenir R. dos S.; Gonçalves,Teresa C.M.; Prado,Angelo P. do.
Megaselia scalaris (Loew) is a cosmopolitan and synanthropic scuttle fly, eclectic in its feeding habits and acts as detritivore, parasite, facultative parasite, and parasitoid. Here we report for the first time M. scalaris infesting laboratory colonies of Triatoma brasiliensis Neiva, the most important Chagas disease vector in semiarid areas of Brazil. M. scalaris larvae were found feeding inside bugs; pupae were found in the esophagus and intestinal regions of T. brasiliensis through dissection. Other relevant information about this finding is also described in this note, including some preventive measures to avoid laboratory colonies infestations.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Phorid; Infestation; Triatomine.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000600026
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Spermatogenesis and nucleolar activity in Triatoma klugi (triatomine, Heteroptera) Genet. Mol. Biol.
Costa,Laiana Cristina da; Azeredo-Oliveira,Maria Tercília Vilela de; Tartarotti,Ester.
Triatoma klugi is a Chagas disease vector in the Rio Grande do Sul State. Triatominae chromosomes are holocentric and sex chromosomes segregation is post-reductional. In this paper we describe the karyotype of male T. klugi and a meiotic analysis including the nucleolar behavior during spermatogenesis. Testis cells were analyzed after lacto-acetic orcein and silver nitrate staining. Two autosomes and the heterochromosomes presented nucleolar activity (Ag-NORs) during diplotene-diakinesis. The analysis of metaphase I and II revealed a karyotype with 2n = 20+XY. In metaphase I a prominent nucleolar mass was observed in the cell periphery and small silver grains were detected in metaphase II. During anaphase, the chromosomes segregated in parallel and a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Triatoma klugi; Triatomine; Cytogenetics; Nucleolus; Karyotype; Meiosis.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000300008
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The metasternal and Brindley's Glands of Triatoma brasiliensis Neiva (Hemiptera: Reduviidae) Neotropical Entomology
Vitta,Ana Cristina R; Serrão,José E; Lima,Eraldo R; Villela,Evaldo F.
Triatoma brasiliensis Neiva is the most important vector of the Chagas' disease in the semiarid zones of North-eastern Brazil. Adult bugs have two main pairs of exocrine glands, the metasternal and the Brindley's glands, which release volatiles possibly with defense, alarm and/or mating functions. To date, anatomical and histological studies of the metasternal and the Brindley's glands in the genus Triatoma are scarce and, considering the relevance of these exocrine glands, the present work aimed at studying their morphology in T. brasiliensis. The metasternal and the Brindley's glands of T. brasiliensis consist of glandular units similar to those described for Rhodnius prolixus Stål and Panstrongylus megistus Burmeister, comprising a secretory apparatus,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chagas' disease; Triatomine; Morphology.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2009000200010
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Triatominae fauna (Hemiptera: Reduviidae) in Mato Grosso do Sul, Brazil, and the influence of climatic elements on their populations. Triatominae Fauna: Influence of Climatic Elements. Repositório Alice
COMINETTI, M. C.; ANDREOTTI, R..
Tipo: Artigo de periódico Palavras-chave: Triatomine; Climatic elements; Trypanosoma Cruzi.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132881
Registros recuperados: 6
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