Guía de los Pimplinae de Costa Rica (Hymenoptera:Ichneumonidae) /

Butterflies, moths, and other invertebrates of Costa Rica : a field guide /
by: Henderson, Carrol L.
Published: (2010)

The birds of Costa Rica : a field guide /
by: Garrigues, Richard
Published: (2007)

A new species of Emersonella (Hymenoptera:Eulophidae), parasitoid on weevil eggs (Coleoptera:Curulionidae), from Costa Rica /
by: Hansson, Christer
Published: (2004)

The Doryctinae of Costa Rica (excluding the genus Heterospilus) /
by: Marsh, Paul M.
Published: (2002)

A new species of the enigmatic genus Teremys Mason, T. hanniae, from Costa Rica (Hymenoptera:Braconidae) /
by: Valerio, A. A.
Published: (2003)

Octocorals from Costa Rica : the genus Pacifigorgia (Coelenterata:Octocorallia:Gorgoniidae) /
by: Breedy, Odalisca
Published: (2003)

The hymenoptera of Costa Rica /
Published: (1995)

New records of and key to Tardigrada from Costa Rica /
by: Kaczmarek, Łukasz
Published: (2003)

Eugnamptine weevils of La Selva, Costa Rica (Coleoptera:Rhynchitidae) /
by: Hamilton, R. W.
Published: (2004)

Three new species of Cumacea (Crustacea:Peracarida) from Costa Rica /
by: Petrescu, Iorgu
Published: (2004)

A field guide to plants of Costa Rica /
by: Gargiullo, Margaret B., 1942-2019
Published: (2008)

A new species of Ileopeltus Cwikla from Costa Rica (Cicadellidae:Deltocephalinae) /
by: Godoy, Carolina
Published: (2004)

Distinctive new species of Atrichopogon Kieffer (Diptera:Ceratopogonidae) from Costa Rica /
by: Borkent, Art
Published: (2004)

Birds of Costa Rica : a field guide /
by: Henderson, Carrol L.
Published: (2010)

The wildlife of Costa Rica : a field guide /
Published: (2010)

A new species of Phalangogonia Burmeister (Coleoptera:Scarabaeidae:Rutelinae:Anoplognathini) from Costa Rica /
by: Smith, Andrew Bertrand Tilton
Published: (2003)

Guide to tendrillate climbers of Costa Rican mountains /
by: Krings, Alexander
Published: (2005)

Guide to tendrillate climbers of Costa Rican mountains /
by: Krings, Alexander
Published: (2005)

A guide to the birds of Costa Rica /
by: Stiles, F. Gary
Published: (1989)

Field guide to wildlife of Costa Rica /
by: Henderson, Carrol L.
Published: (2002)

The beetle family Carabidae of Costa Rica : the genera of the Cryptobatida group of subtribe Agrina, tribe Lebiini, with new species and notes on their way of life (Insecta:Coleoptera) /
by: Erwin, Terry L., 1940-
Published: (2004)

The beetle family Carabidae of Costa Rica : twenty-nine new species of Agra Fabricius 1801 (Coleoptera:Carabidae, Lebiini, Agrina) /
by: Erwin, Terry L., 1940-
Published: (2002)

The Dryophthoridae of Costa Rica and Panama : checklist with keys, new synonymy and descriptions of new species of Cactophagus, Mesocordylus, Metamasius and Rhodobaenus (Coleoptera; Curculionoidea) /
by: Anderson, Robert Samuel
Published: (2002)

A new Costa Rican species of Leptanilloides (Hymenoptera:Formicidae:doryline section:Leptanilloidinae) /
by: Longino, John Thomas
Published: (2003)

A new species of flea beetle, genus Pedilia Clark (Coleoptera:Chrysomelidae:Galerucinae), from Osa Pennisula, Costa Rica /
by: Duckett, Catherine N.
Published: (2003)

A new genus and a new Costa Rican species of Endocephalites (Chrysomelidae:Eumolpinae:Eumolpini) /
by: Flowers, R. Wills
Published: (2003)

Field guide to the orchids of Costa Rica and Panama /
by: Dressler, Robert L., 1927-
Published: (1993)

Costa Rica : the ecotraveller's wildlife guide /
by: Beletsky, Les, 1956-
Published: (1998)

Volcanic history of the Meseta Central Occidental, Costa Rica.
by: Williams, Howel, 1898-1980
Published: (1952)

Nicaraguan refugees in Costa Rica : adjustment to camp life /
by: Pacheco, Gilda
Published: (1989)

Las sectas en Costa Rica : pentecostalismo y conflicto social /
by: Valverde, Jaime
Published: (1990)

A new species and first record of the subgenus Forcipomyia (Schizoforcipomyia) Chan & LeRoux from the Neotropical Region (Diptera:Ceratopogonidae) /
by: Spinelli, Gustavo R.
Published: (2004)

Compendio de historia economica y hacendaria de Costa Rica.
by: Soley Güell, Tomás, 1875-1943
Published: (1940)

The butterflies of Costa Rica and their natural history /
by: DeVries, Philip J., 1952-
Published: (1987)

Costa Rica : monumentos históricos y arqueológicos /
by: Molina de Lines, María
Published: (1974)

Costa Rica : a journey through nature /
by: Hepworth, Adrian, 1970-
Published: (2008)