Insecticide Impregnated Ear Tags for Cattle . One of the most important and prevalent insects affecting the beef cattle industry are horn flies, Haematobia irritans. These small but persistent blood sucking insects bite the cattle 30 – 40 times a day in order to acquire a blood meal. Both male and female horn flies feed on blood and never leave, Tempo® SC Ultra Premise Spray For broad-spectrum control of crawling, flying, and wood-infesting insect pests in and around animal housing, warehouses, and processing and packing plants., The method of slow release involves the incorporation of the insecticide in a permeable covering, microcapsules or small spheres with diameters ranging from 15-50 f.l. The insecticide escapes through the small sphere wall at a slow rate over an extended period of time, thus preserving its effectiveness much longer., under the Federal Insecticide, Fungicide, and Rodenticide Act, As Amended (FlFRA), is acceptable, provided that you submit two copies of your final printed label before you release the product for shipment. If this condition is not complied with, the registration will be subject to cancellation in accordance with FIFRA sec. 6( e)., ASANA® XL insecticide 0.66 emulsible concentrate contains 0.66 pounds of active ingredient per galion. For the applications given below, mix the required amount of ASANA® XL in suffi cient diluent to provide uniform coverage (Refer to Use Tables). ASANA® XL may be applied by ground or aerial application equipment., .