Blood-feeding and autogenous sub-colonies were selected from a laboratory, stock colony of
Aedes togoi
, which was originally collected from Koh Nom Sao, Chanthaburi province, Southeast Thailand. Comparative biology and filarial susceptibility between the two sub-colonies (blood-feeding: F
11, F
13; autogeny: F
38, F
40) 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 (F
11/F
38; F
13/F
40), embryonation rate (F
13/F
40), hatchability rate (F
11/F
38; F
13/F
40), egg width (F
11/F
38), wing length of females (F
13/F
40), and wing length and width of males (F
11/F
38) in the blood-feeding sub-colony were significantly greater than that in the autogenous sub-colony; and egg length (F
11/F
38) and width (F
13/F
40), and mean longevity of adult females (F
11/F
38) and males (F
13/F
40) 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
[blood-feeding/autogeny = 56.7% (F
11)/53.3%(F
38), 60%(F
13)/83.3%(F
40)] and
Dirofilaria immitis
[blood-feeding/autogeny = 85.7%(F
11)/75%(F
38), 45%(F
13)/29.4%(F
40)], suggesting autogenous
Ae. togoi sub-colony was an efficient laboratory vector in study of filariasis.
