1. Abbitt, B. and Abbitt, L.G. 1981. Fatal exsanguination of cattle attributed to an attack of salt marsh mosquitoes (Aedes sollicitons). J. Am. Vet. Med. Assoc. 179:1397–1400.
2. Allen, J.R. 1973. Tick resistance: basophils in skin reactions of resistant guinea pigs. Intern. J. Parasitol. 3:195–200.
3. Allen, J.R., Doube, B.M. and Kemp, D.H. 1977. Histology of bovine skin reactions to Ixodes holocyclus, Neuman. Canad. J. Compar. Med. Vet. Sci. 41:26–35.
4. Anderson, J.R. and Nilssen. 1998. Do reindeer aggregate on snow patches to reduce harrassment by parasitic flies or to thermoregulate? Rangifer 18:3–17.
5. Arlian, L.G. 1989a. Biology and ecology of house dust mites, Dermatophagoides spp. and Euroglyphus spp. Immunol. Allerg. Clinics N.A. 9:339–356.