Triatoma rubrovaria (Blanchard 1843): life table of nymphs, duration of the forms and posture of the females

The authors followed the development of 150 eggs of Triatoma rubrovaria to enable the construction of a life table for the nymphs. The winged form was reached by 94.64% of the individuals, of which 79 were males and 65 females. The mean lifetime of the males was 115 days and 99 days for the females....

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Published inRevista da Sociedade Brasileira de Medicina Tropical Vol. 38; no. 3; p. 251
Main Authors Rodrigues, Vera Lúcia Cortiço Corrêa, Ferraz Filho, Antenor Nascimento, Rocha e Silva, Eduardo Olavo da
Format Journal Article
LanguagePortuguese
English
Published Brazil Sociedade Brasileira de Medicina Tropical 01.05.2005
Subjects
Animals
Female
Life Cycle Stages
Life Tables
Male
Nymph - growth & development
Oviposition - physiology
Triatoma - anatomy & histology
Triatoma - physiology
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Summary:The authors followed the development of 150 eggs of Triatoma rubrovaria to enable the construction of a life table for the nymphs. The winged form was reached by 94.64% of the individuals, of which 79 were males and 65 females. The mean lifetime of the males was 115 days and 99 days for the females. Part of this group was divided into 30 couples and kept separated to facilitate the count of egg laying by each female. Another lot was also formed of 30 males and 30 females but these were housed together in a glass crystallizer that allowed the observation of a larger number of eggs laid (7,832 eggs) in relationship to that of the females with only one male (total 5,167 eggs). The good development of the individuals and reproduction of the species in the experimental conditions demonstrated the capacity to maintain colonies of Triatoma rubrovaria in laboratory conditions.
ISSN:0037-8682
1678-9849
DOI:10.1590/S0037-86822005000300009