BIOLOGIA E TABELA DE VIDA DO ÁCARO PREDADOR Euseius concordis (CHANT, 1959) (ACARI: PHYTOSEIIDAE) EM PINHÃO-MANSO
2015
CLECIA DE CARVALHO MARQUES | CLÁUDIA HELENA CYSNEIROS MATOS DE OLIVEIRA | CARLOS ROMERO FERREIRA DE OLIVEIRA | ANDRÉ LUÍS MATIOLI | IBSEN FRANCISCO DE ASSIS LIMA NETO
The objective of this study was to evaluate the development and the intrinsic growth rate (rm) of Euseius concordis on Tetranychus bastosi on physic nut (Jatropha curcas). The experiment was conducted in incubator BOD at 25 ° C and 70 % RH, with 12h photoperiod environment. The evaluations were performed twice daily for the biology of the mite, and once to the reproductive parameters. The average life cycle of fe-males was 6.3 ± 0.14 days and the males of 6.22 ± 0.14 days. The sex ratio was 0.64, and the average longevi-ty of females was 22.6 ± 2.22 days with an average production of 7,42 eggs per female. The parameters of the life table were obtained : net reproductive rate (Ro), 54,9 individuals ; average length of generations (T) , 7,77 days; intrinsic growth rate (rm), 0,22 female per female per day; finite rate of increase (λ), 1,24 female per fe-male; and in population doubling time (TD), 3,16 days. The E. concordis mite has developed satisfactorily when created with T. diet bastosi, with the short development cycle.
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