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A molecular study of Neophyllaphis varicolor (Hemiptera, Aphididae) in Costa Rica
(2019-07)
The genus Neophyllaphis (Takahashi) (Aphididae: Neophyllaphidinae) is composed of 18 species;
however, in the Americas only nine species have been reported previously. A new species,
Neophyllaphis varicolor Miller & ...
Primer informe del comportamiento depredador de Psarocolius montezuma (Icteridae) sobre un juvenil de Thraupis episcopus (Thraupidae), San Pedro, Costa Rica
(2012)
Se describe el comportamiento depredador de Psarocolius montezuma (Icteridae)
sobre un juvenil de Thraupis episcopus (Thraupidae) observado en mayo de 2012
en San Pedro Montes de Oca, Costa Rica. La persecución se observó ...
Macroinvertebrates as indicators in tropical streams with different land use in southern Costa Rica
Makroinvertebraten als Indikatoren in tropischen Bächen mit unterschiedlicher Landnutzung im Süden Costa Ricas
(2019)
Costa Rica is one of the countries with the highest species richness worldwide and forms an important land bridge between North and South America. In the past, Costa Rica suffered from deforestation due to conversion of ...
Filogenia en base a caracteres morfológicos del género Camisia von Heyden (Acari: Oribatida): un estudio de la importancia de los caracteres en la determinación de grupos naturales
(2014-04)
Se presenta un análisis filogenético de las especies del género Camisia y se incluyen cinco de los géneros habitualmente considerados dentro de la familia Camisiidae. La filogenia indica que hay dos linajes claramente ...
Frankliniella occidentalis (Pergande 1895) (Thripidae: Thripinae) un posible bioindicador de la condición del medio ambiente
Frankliniella occidentalis (Pergande 1895)(Thripidae: Thripinae) a possible biomarker of environmental condition
(2014)
En este trabajo se evalúa la utilidad de Frankliniella occidentalis como especie
bioindicadora. El estudio consta de dos enfoques 1) los datos de la colección de Thysanoptera de
Costa Rica sobre la presencia de esta ...
Evaluación de tres extractos naturales contra Bemisia tabaci en el cultivo del melón, Puntarenas, Costa Rica
Evaluation of natural extracts against Bemisia tabaci in melon crops, Puntarenas, Costa Rica
(2018)
El objetivo del trabajo fue evaluar el efecto de repelencia de 3 extractos naturales de plantas (tomillo, chile picante/ajo y canela/clavo de olor), para combatir la mosca blanca en el cultivo de melón, con el fin de ...
Addressing the Problem of Harmful Algal Blooms in Latin America and the Caribbean- A Regional Network for Early Warning and Response
(2018)
Harmful algal blooms (HABs) constitute a worldwide problem, affecting aquatic
ecosystems, public health and local economies. Supported by the International Atomic
Energy Agency since 2009, Latin America and the Caribbean ...
Contribution to the knowledge of Costa Rican oribatid mite fauna, with supplementary descriptions of Pergalumna silvatica and P. sura (Acari: Oribatida: Galumnidae)
(2014-06)
An annotated checklist of oribatid mites collected from Costa Rica in 2012 is provided. We have registered 10 species in 8 genera and 6 families. Archegozetes magnus, Kokoppia euramosa, Neoamerioppia cocuyana, Xenillus ...
Notes on Dictyuchus species (Stramenopila, Oomycetes) from Anzali lagoon, Iran
(2018)
Nine Dictyuchus isolates were obtained from floating and decaying twigs and leaves in Anzali lagoon, Anzali County, Guilan province, Iran. They are interestingly distinguished from current Dictyuchus species by the presence ...
Differences in plasmatic butyrylcholinesterases (BChE) values between Pacific and Caribbean populations of terciopelo (Bothrops asper) in Costa Rica
(2019)
The terciopelo (Bothrops asper) inhabits human-modified environments such as agricultural areas, becoming more prone to be exposed to organophosphate insecticides. These chemicals can inhibit plasmatic butyrylcholinesterases ...