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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 99, No. 6, 2004, pp. 603-607
Bioline Code: oc04127
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 99, No. 6, 2004, pp. 603-607

 en Life Tables and Reproductive Parameters of Lutzomyia spinicrassa check for this species in other resources (Diptera: Psychodidae) under Laboratory Conditions
Jesús Escovar; Felio J Bello; Alberto Morales; Ligia Moncada & Estrella Cárdenas


Lutzomyia spinicrassa check for this species in other resources is a vector of Leishmania braziliensis check for this species in other resources in Colombia. This sand fly has a broad geographical distribution in Colombia and Venezuela and it is found mainly in coffee plantations. Baseline biological growth data of L. spinicrassa were obtained under experimental laboratory conditions. The development time from egg to adult ranged from 59 to 121 days, with 12.74 weeks in average. Based on cohorts of 100 females, horizontal life table was constructed. The following predictive parameters were obtained: net rate of reproduction (8.4 females per cohort female), generation time (12.74 weeks), intrinsic rate of population increase (0.17), and finite rate of population increment (1.18). The reproductive value for each class age of the cohort females was calculated. Vertical life tables were elaborated and mortality was described for the generation obtained of the field cohort. In addition, for two successive generations, additive variance and heritability for fecundity were estimated.

Lutzomyia spinicrassa - life cycle - reproduction - population - heritability

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