no they suck their blood
flies follow us because it wants to suck our blood
They pierce the skin of a host and suck blood.
No they do not.
The females do. The males live on honeydew, nectar and sap.
It depends. Some flies suck your blood and some flies eat plants.
Flies are attracted to humans because they feel that something that can be eaten is near.They are not actually attracted to humans,but to what we carry.Sometimes we have food outside our body.By that food,flies are attracted to us.PERSON DO U LIKE FLIES? HEY FLIES NEED TO EAT TOO! OUR BLOOD IS PERFECT 4 THEM SO THEY SUCK OUR BLOOD TO EAT! EVERY LIVING THING NEEDS TO EAT, OF COURSE!!~!!!!~!^FAIL, Flies don't suck our blood, mosquitoes do...
Most spiders will trap flies and other insects in their webs and suck their blood
Flies and little insects and they don't eat, they just suck there blood.
Crane flies don't suck blood. Some of them don't even have a mouth, they live just long enough to reproduce. Their own blood is likely yellowish. ^^
Yes some flies do drink blood. For example the deer fly, the female drinks blood, where the male will drink flower nectar.
female mosquitos suck blood and male mosquitos do not.