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Adult Gulf Coast Tick- Although you may not find it attached to you, this tick is a pest on cattle, horses and will readily bite dogs too. Females feed for 7-10 days then fall off engorged, after which they can lay an incredible 10,000 eggs or more. They transmit various rickettsial agents, including R. parkeri. While the GCT looks a lot like an American dog tick, it has a much longer mouthpart, if you want to look at that closely. Can be active thru October in Texas and along the Gulf Coast and during late fall and winter in OK and KS. This tick also has been spreading northward to VA.