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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 4, 2003, pp. 481-485
Bioline Code: oc03105
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 4, 2003, pp. 481-485

 en Comparative Studies on the Biology and Filarial Susceptibility of Selected Blood-feeding and Autogenous Aedes togoi check for this species in other resources Sub-colonies
Anuluck Junkum; Wej Choochote; Atchariya Jitpakdi; Somjai Leemingsawat; Narumon Komalamisra; Narissara Jariyapan & Chavalit Boonyatakorn

Abstract

Blood-feeding and autogenous sub-colonies were selected from a laboratory, stock colony of Aedes togoi check for this species in other resources , which was originally collected from Koh Nom Sao, Chanthaburi province, Southeast Thailand. Comparative biology and filarial susceptibility between the two sub-colonies (blood-feeding: F11, F13; autogeny: F38, F40) were investigated to evaluate their viability and vectorial capacity. The results of comparison on biology revealed intraspecific differences, i.e., the average egg deposition/gravid female (F11/F38; F13/F40), embryonation rate (F13/F40), hatchability rate (F11/F38; F13/F40), egg width (F11/F38), wing length of females (F13/F40), and wing length and width of males (F11/F38) in the blood-feeding sub-colony were significantly greater than that in the autogenous sub-colony; and egg length (F11/F38) and width (F13/F40), and mean longevity of adult females (F11/F38) and males (F13/F40) in the blood-feeding sub-colony were significantly less than that in the autogenous sub-colony. The results of comparison on filarial susceptibility demonstrated that both sub-colonies yielded similar susceptibilities to Brugia malayi check for this species in other resources [blood-feeding/autogeny = 56.7% (F11)/53.3%(F38), 60%(F13)/83.3%(F40)] and Dirofilaria immitis check for this species in other resources [blood-feeding/autogeny = 85.7%(F11)/75%(F38), 45%(F13)/29.4%(F40)], suggesting autogenous Ae. togoi sub-colony was an efficient laboratory vector in study of filariasis.

Keywords
Aedes togoi check for this species in other resources - blood feeding - autogeny - biology - filarial susceptibility - Brugia malayi check for this species in other resources - Dirofilaria immitis check for this species in other resources

 
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