Table 2.

Blood feeding efficiency of flightless females

Females	Blood feeding from	Blood-fed	Total	Ratio
Intact	Top	157	204	0.77
Intact	Bottom	152	205	0.74
Flightless	Top	145	204	0.71
Flightless	Bottom	80	203	0.39*

The significance of differences was evaluated using the chi-square test (*P < 0.01)