The Knipling-Bushland U.S. Livestock Insects Research Laboratory is located in Kerrville, TX, and its sublaboratory, the Cattle Fever Tick Research Laboratory, is located at Moore Field near Edinburg, TX.  The laboratory at Kerrville is the site of a diverse program that includes research to develop methods for the control of ticks of medical and veterinary importance and for the control of blood-feeding flies affecting cattle.  The Moore Field laboratory is a quarantined facility where research with live cattle fever ticks, the southern cattle tick, and the cattle tick is directed to the creation of solutions of problems that threaten the sustainability of the APHIS-VS Cattle Fever Tick Eradication Program.  Scientists at the Kerrville and Moore Field laboratories work in partnership to solve problems involving cattle fever ticks.