Table 1 Changes in the number of immunostained perivisceral organs (PVO, one dorsal and one ventral pair/segment — 28 total) observed in abdomens of female Aedes aegypti before and after blood-feeding.

time before or after a blood meal Average number of immunostained PVO/female body wall (Number of female body walls observed) Sugar-fed 22 (50) 1 h post blood meal (pbm) 23 (10) 2 h pbm 23 (10) 6 h pbm 17 (10) 12 h pbm 4 (10) 24 h pbm 8 (10) 48 h pbm 25 (10)