Notes on Avian Ectoparasites from Costa Rica. I. Acarina and Diptera

by Arnold, Keith A.
Published 1968

Ectoparásitos de aves y mamíferos de Costa Rica I. Diptera

by Tonn, Robert J., Arnold, Keith
Published 1963

A note on Kohlsia graphis erana from Costa Rica

by Arnold, Keith, Tonn, Robert J.
Published 1964

Ectoparásitos de aves y mamíferos de Costa Rica 3. Malófagos

by Tonn, Robert J., Arnold, Keith
Published 1965

Ectoparasites of birds and mammals of Costa Rica 2. Ticks

by Tonn, Robert J., kohls, Glen M., Arnold, Keith
Published 1963