Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama

Introduction: Ephuta Say is a widespread New World genus of mutillid wasp whose ecology is poorly understood. Objective: The objective of this study was to determine how Ephuta species abundance varies annually and seasonally driven by weather conditions and hosts. Methods: Ephuta specimens, located...

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Main Authors:	Añino, Yostin J, Cambra, Roberto A, Windsor, Donald M, Williams, Kevin A, Bartholomay, Pedro R, Sánchez, Vanessa, Quintero, Diomedes
Format:	Online
Language:	eng
Published:	Universidad de Costa Rica 2020
Online Access:	https://revistas.ucr.ac.cr/index.php/rbt/article/view/38876

id	RBT38876
record_format	ojs
institution	Universidad de Costa Rica
collection	Revista de Biología Tropical
language	eng
format	Online
author	Añino, Yostin J Cambra, Roberto A Windsor, Donald M Williams, Kevin A Bartholomay, Pedro R Sánchez, Vanessa Quintero, Diomedes
spellingShingle	Añino, Yostin J Cambra, Roberto A Windsor, Donald M Williams, Kevin A Bartholomay, Pedro R Sánchez, Vanessa Quintero, Diomedes Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
author_facet	Añino, Yostin J Cambra, Roberto A Windsor, Donald M Williams, Kevin A Bartholomay, Pedro R Sánchez, Vanessa Quintero, Diomedes
author_sort	Añino, Yostin J
description	Introduction: Ephuta Say is a widespread New World genus of mutillid wasp whose ecology is poorly understood. Objective: The objective of this study was to determine how Ephuta species abundance varies annually and seasonally driven by weather conditions and hosts. Methods: Ephuta specimens, located in the “old forest” at Barro Colorado Island, were examined from weekly samples (2001-2006) of ten Malaise traps. The monthly abundance of each Ephuta species was compared with monthly average humidity, solar radiation, temperature and rainfall. Results: Nine species and ten morphospecies were identified. Most specimens were collected from March to June. April was the month reported with the greatest abundance. Of the four abiotic variables measured, only average monthly temperature was correlated with Ephuta abundance. Months with the highest number of Ephuta specimens were correlated with suspected host abundance, as indicated by the monthly abundance of Pompilidae (Hymenoptera) captured during the year 2007. Conclusions: We concluded that Ephuta display strong seasonal variation in abundance, with the peaks occurring during the end of the dry season and beginning of the rainy season, which correlate broadly with temperature and the abundance of their pompilid hosts.
title	Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
title_short	Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
title_full	Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
title_fullStr	Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
title_full_unstemmed	Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama
title_sort	seasonal and annual variation in the abundance of ephuta (hymenoptera: mutillidae) in panama
title_alt	Variación estacional y anual en la abundancia de Ephuta (Hymenoptera: Mutillidae) de Panamá
publisher	Universidad de Costa Rica
publishDate	2020
url	https://revistas.ucr.ac.cr/index.php/rbt/article/view/38876
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spelling	RBT388762023-11-09T19:09:47Z Variación estacional y anual en la abundancia de Ephuta (Hymenoptera: Mutillidae) de Panamá Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama Añino, Yostin J Cambra, Roberto A Windsor, Donald M Williams, Kevin A Bartholomay, Pedro R Sánchez, Vanessa Quintero, Diomedes Mutillinae Pompilidae ecología Isla Barro Colorado neotrópico Mutillinae Pompilidae ecology Barro Colorado Island neotropic Introducción: Ephuta es un género de avispas mutílidas ampliamente distribuido en el Nuevo Mundo y cuya ecología es poco conocida. Objetivo: El objetivo de este trabajo fue determinar cómo varía la abundancia de especies de Ephuta anualmente y estacionalmente debido a las condiciones climáticas y sus hospederos. Métodos: Se examinaron especímenes de Ephuta tomados de muestras semanales (2001-2006) de diez trampas Malaise, ubicadas en el “bosque viejo” de Isla Barro Colorado. La abundancia mensual de cada especie de Ephuta se comparó con el promedio mensual de la humedad, la radiación solar, la temperatura y las precipitaciones. Resultados: Se identificaron nueve especies y diez morfoespecies. La mayoría de los especímenes fueron recolectados de marzo a junio. La mayor abundancia mensual promedio se dió en abril. De las cuatro variables abióticas medidas, solo la temperatura mensual promedio se correlacionó con la abundancia de Ephuta. Los meses con el mayor número de especímenes de Ephuta se correlacionan con la sospechosa abundancia del huésped, como lo indica la abundancia mensual de Pompilidae (Hymenoptera) capturada durante el 2007. Conclusiones: Ephuta muestra una fuerte variación estacional en la abundancia, con picos durante el final de la estación seca y el comienzo de la temporada de lluvias. Esta se correlaciona ampliamente con la temperatura y la abundancia de sus huéspedes pompílidos. Introduction: Ephuta Say is a widespread New World genus of mutillid wasp whose ecology is poorly understood. Objective: The objective of this study was to determine how Ephuta species abundance varies annually and seasonally driven by weather conditions and hosts. Methods: Ephuta specimens, located in the “old forest” at Barro Colorado Island, were examined from weekly samples (2001-2006) of ten Malaise traps. The monthly abundance of each Ephuta species was compared with monthly average humidity, solar radiation, temperature and rainfall. Results: Nine species and ten morphospecies were identified. Most specimens were collected from March to June. April was the month reported with the greatest abundance. Of the four abiotic variables measured, only average monthly temperature was correlated with Ephuta abundance. Months with the highest number of Ephuta specimens were correlated with suspected host abundance, as indicated by the monthly abundance of Pompilidae (Hymenoptera) captured during the year 2007. Conclusions: We concluded that Ephuta display strong seasonal variation in abundance, with the peaks occurring during the end of the dry season and beginning of the rainy season, which correlate broadly with temperature and the abundance of their pompilid hosts. Universidad de Costa Rica 2020-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf text/html https://revistas.ucr.ac.cr/index.php/rbt/article/view/38876 10.15517/rbt.v68i2.38876 Revista de Biología Tropical; Vol. 68 No. 2 (2020): JuneRevista de Biología Tropical (Int. J. Trop. Biol.): Continuous publication, April - June 2020; 573–579 Revista de Biología Tropical; Vol. 68 Núm. 2 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Publicación continua, Abril - Junio 2020; 573–579 Revista Biología Tropical; Vol. 68 N.º 2 (2020): JuneRevista de Biología Tropical (Int. J. Trop. Biol.): Continuous publication, April - June 2020; 573–579 2215-2075 0034-7744 10.15517/rbt.v68i2 eng https://revistas.ucr.ac.cr/index.php/rbt/article/view/38876/41752 https://revistas.ucr.ac.cr/index.php/rbt/article/view/38876/41753 Copyright (c) 2020 Yostin J Añino, Roberto A Cambra, Donald M Windsor, Kevin A Williams, Pedro R Bartholomay, Diomedes Quintero, Vanessa Sánchez http://creativecommons.org/licenses/by/4.0

Seasonal and annual variation in the abundance of Ephuta (Hymenoptera: Mutillidae) in Panama

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