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19581
Estudio comparativo de casos de intoxicaciones por insecticidas organofosforados en diferentes zonas de Costa Rica
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19582
Polinización del chayote Sechium edule (Jacq.) Swartz en Costa Rica
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19583
Abejas de Colombia: I. Lista preliminar de algunas especies de abejas sin aguijón (Hymenoptera: Apidae: Meliponinae)
by Nates Parra, Guiomar
Published 1983
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19584
Carácter práctico para diferenciación de sexos en Macrobrachium tenellum (Crustacea: Decapoda: Natantia)
by Cabrera Peña, Jorge
Published 1983
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19585
Patrones de actividad diaria de las hembras de Aphonopelma seemanni (Araneae: Theraphosidae) durante la época lluviosa en Guanacaste, Costa Rica
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19586
Developmental stages of Trypanosoma cruzi-like flagellates in Cavernicola pilosa
by Marinkelle, C. J.
Published 1982
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19587
Embryological stages of the marine turtle Lepidochelys olivacea (Eschscholtz)
by Crastz, Fernando
Published 1982
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19588
New species of Euglossa II. (Hymenoptera: Apidae)
by Dressler, Robert L.
Published 1982
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19589
New species of Euglossa. III. The bursigera species group (Hymenoptera: Apidae)
by Dressler, Robert L.
Published 1982
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19590
New species of Euglossa IV. The cordata and purpurea species groups (Hymenoptera: Apidae)
by Dressler, Robert L.
Published 1982
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19591
Preferencias alimentarias de tres especies de Triatominae (Hemiptera: Reduviidae) en condiciones experimentales
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19592
Análisis fisonómico estructural del manglar de Puerto Soley, La Cruz, Guanacaste, Costa Rica
by Soto, Ricardo, Jiménez, Jorge A.
Published 1982
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19593
Tyche sulae (Crustacea: Majidae) a new spider crab from Gorgona Island, Colombia
by Prahl, Henry von, Guhl, Felipe
Published 1982
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19594
Habitat of Neoregelia cruenta (Bromeliaceae) in coastal sand dunes of Marica, Brazil
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19595
Polinización en Bactris gasipaes H.B.K. (Palmae): Nota adicional
by Mora Urpí, Jorge
Published 1982
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19596
Bambus mexicanus Cresson, un hospedante de Melaloncha, moscas parásitas de la abeja de miel en el nuevo mundo
by Ramírez, William
Published 1982
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19597
Discovery of a Blind Olive Ridley Turtle (Lepidochelys olivacea) Nesting at Playa Ostional, Costa Rica
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19598
Floración de Bambusa vulgaris Schrad. ex Wendl., var. striata Gamble en Costa Rica
by Pohl, Richard W.
Published 1982
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19599
Reseña de libros: Principios de Paleontología
by Cortés N., Jorge
Published 1982
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19600
Reseña de libros: The Bark and Ambrosia Beetles of North and Central America (Coleoptera: Scolytidae), a Taxonomic Monograph
by Jirón, Luis Fernando
Published 1982
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