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The metasternal and Brindley's Glands of Triatoma brasiliensis Neiva (Hemiptera: Reduviidae) / Glândulas de Brindley e metasternal de Triatoma brasiliensis Neiva (Hemiptera: Reduviidae)
Vitta, Ana Cristina R; Serrão, José E; Lima, Eraldo R; Villela, Evaldo F.
  • Vitta, Ana Cristina R; Univ Federal de Viçosa. BR
  • Serrão, José E; Univ Federal de Viçosa. BR
  • Lima, Eraldo R; Univ Federal de Viçosa. BR
  • Villela, Evaldo F; Univ Federal de Viçosa. BR
Neotrop. entomol ; 38(2): 231-236, Mar.-Apr. 2009. ilus
Article in English | LILACS | ID: lil-515103
ABSTRACT
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, saccule and collector duct.
RESUMO
Triatoma brasiliensis Neiva é o principal inseto vetor da doença de Chagas no Nordeste do Brasil. Os adultos da espécie apresentam dois pares de glândulas exócrinas, as glândulas metasternais e as glândulas de Brindley que liberam compostos voláteis, possivelmente com função de defesa, alarme e/ou acasalamento. O conhecimento anatômico e histológico das glândulas de Brindley e metasternal no gênero Triatoma é escasso e, considerando a relevância dessas glândulas na sua biologia, o objetivo do presente trabalho foi estudar e conhecer a sua morfologia. As glândulas de Brindley e metasternal de T. brasiliensis possuem uma unidade glandular similar àquela descrita para Rhodnius prolixus Stål e Panstrongylus megistus Burmeister, formada principalmente por um aparato secretor, sáculo e ducto coletor.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Triatoma / Exocrine Glands Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Univ Federal de Viçosa/BR

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Full text: Available Index: LILACS (Americas) Main subject: Triatoma / Exocrine Glands Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Univ Federal de Viçosa/BR