Do mosquitoes prefer certain blood types?

Vinny asked us: "I have read mosquitos have a preference for blood type and prefer people with Type O blood over those with Type B, or prefer Type B over Type A. Is this true, and how do they know the difference between types?" To seek out an answer to this one, Adam Murphy got in touch with Immo Hansen, from New Mexico State University to find out... Like this podcast? Please help us by supporting the Naked Scientists