Fever Ticks

Floron C. Faries, Jr., DVM, MSProfessor and Extension Program Leader for Veterinary Medicine

Texas AgriLife Extension ServiceTexas A&M System

One Host Ticks

Cattle Horses White-tailed deer, elk, Nilgai, red deer Not sheep, goats, swine, dogs

Tick Stages – Eggs, Larvae, Nymphs, Adults

Permanent Fever Tick Quarantine Zone

200 yards to 6 miles wide 500 miles along Rio Grande Del Rio to Brownsville 8 counties

Val Verde Kinney Maverick Webb Zapata Starr Hildalgo Cameron

Boophilus microplus 1986

Boophilus microplus 1994

Boophilus annulatus 1986

Boophilus annulatus 1994

Permanent Fever Tick Quarantine Zone (Red)Preventive Fever Tick Quarantine Area (Green)2007

Temporary Preventive Fever Tick Quarantine Area

2007 Expanded portions of Starr and Zapata

counties Small area of Jim Hogg county

2008 Expanded portions of Starr, Zapata, Webb and

Maverick counties Small areas of Jim Hogg and Dimmit counties