The effect of microclimate on flying dipterans

Peng, Renkang K.; Fletcher, C. R.; Sutton, S. L.

doi:10.1007/bf01208916

Cited by 35 publications

(30 citation statements)

References 22 publications

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“…In Italy, Russo & Jones (2003) showed that the activity of Myotis daubentonii and Myotis capaccinii were clearly reduced by strong winds. Other studies, however, argue that this negative correlation is caused by the effect of wind on insect availability, because strong winds preclude the flight of insects (Peng et al 1992) making them unavailable to bats that forage on flying arthropods.…”

Section: Environmental Factors Affecting Roost Occupancy Overnightmentioning

confidence: 98%

Roosting behaviour and phenology of the Lesser horseshoe bat (Rhinolophus hipposideros) in a breeding colony in Sintra, Portugal

Lino¹,

Fonseca²,

Mendes³

et al. 2015

Galemys

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Almost all bats are exclusively nocturnal. However, the activity patterns throughout the night can differ between species and also within the same species from place to place. Rhinolophus hipposideros (Bechstein, 1800) has suffered a severe decline in many countries along its distribution area, including Portugal. In this study we aimed to describe the roosting behaviour during spring, summer and autumn of one of the largest maternity colonies of R. hipposideros known in Portugal. We analysed roost occupancy, activity patterns inside the roost, birth periods, and post-natal behaviour. We also tested the influence of ambient factors on the patterns of roost use. All information was obtained through the analyses of video recorded using cameras placed inside the roost, while climatic data were gathered using a meteorological station. We found that this roost has higher occupation during August and that in October it is only occupied during the night. Females gave birth from late May to early June, and in August juveniles became independent and undistinguishable from the adults. This colony presented a bimodal pattern of activity throughout the months of the study, which seems to be related with sunset and sunrise. Our results indicate that individuals of this colony prefer higher temperatures, but low humidity and wind speed to leave the roost. Key Words: Rhinolophus hipposideros, paternal care, roost use, Portugal. ResumenCasi todos los murciélagos tienen hábitos nocturnos pero los patrones de actividad durante la noche pueden variar entre las especies y dentro de la misma especie en diferentes lugares. El murciélago pequeño de herradura Rhinolophus hipposideros (Bechstein, 1800) sufrió un severo declive en muchos países de su área de distribución, incluyendo Portugal. En este estudio, se pretende describir el comportamiento de refugio durante la primavera, verano y otoño de una de las colonias de cría más grande de R. hipposideros en Portugal. Asimismo, se analizó la ocupación y los patrones de actividad en el refugio, el periodo de nacimientos, y el comportamiento postnatal. También se comprobó el efecto de los factores ambientales en el uso del refugio. Toda la información se obtuvo a partir del análisis de los videos grabados en el interior del refugio. Los datos climáticos se obtuvieron mediante una estación meteorológica. Se observó que el refugio tiene una mayor ocupación durante el mes de agosto y que en octubre sólo se ocupa durante la noche. Las hembras dan a luz entre finales de mayo y principios de junio, y en agosto los juveniles parecen ser independientes e indistinguibles de los adultos. Esta colonia presenta un patrón bimodal de actividad que parece estar relacionado con el atardecer y amanecer. Nuestros resultados también indican que esta colonia de murciélagos prefiere altas temperaturas pero baja humedad y una cierta velocidad del viento para abandonar el refugio. Palabras clave: Rhinolophus hipposideros; cuidado paternal; uso de abrigo; Portugal. Galemys 27, 2015 2

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Section: Environmental Factors Affecting Roost Occupancy Overnightmentioning

confidence: 98%

Roosting behaviour and phenology of the Lesser horseshoe bat (Rhinolophus hipposideros) in a breeding colony in Sintra, Portugal

Lino¹,

Fonseca²,

Mendes³

et al. 2015

Galemys

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“…Small-bodied, weak flying, or airborne insect pests (e.g., aphids) often rely on air flows for their dispersal and colonization of crop fields (Pasek 1988). Studies of small-bodied flies (Peng et al 1992) and bark beetles (Lanier and Burns 1978) showed less likelihood of dispersal under strong winds. However, in a study of fruit flies [Ceratitis capitata Wiedemann (Diptera: Tephritidae)] dispersal into an area of 3600 ha which was treated with chemosterilant bait stations, Navarro-Llopis et al (2014) concluded that the fruit flies showed an edge effect but traveled over 1 km into the treated area.…”

Section: Wind Patternsmentioning

confidence: 99%

Edge-biased distributions of insects. A review

Nguyen

Nansen

2018

Agron. Sustain. Dev.

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Spatial ecology includes research into factors responsible for observed distribution patterns of organisms. Moreover, the spatial distribution of an animal at a given spatial scale and in a given landscape may provide valuable insight into its host preference, fitness, evolutionary adaptation potential, and response to resource limitations. In agro-ecology, in-depth understanding of spatial distributions of insects is of particular importance when the goals are to (1) promote establishment and persistence of certain food webs, (2) maximize performance of pollinators and natural enemies, and (3) develop precision-targeted monitoring and detection of emerging outbreaks of herbivorous pests. In this article, we review and discuss a spatial phenomenon that is widespread among insect species across agricultural systems and across spatial scales-they tend to show "edge-biased distributions" (spatial distribution patterns show distinct "edge effects"). In the conservation and biodiversity literature, this phenomenon has been studied and reviewed intensively in the context of how landscape fragmentation affects species diversity. However, possible explanations of, and also implications of, edge-biased distributions of insects in agricultural systems have not received the same attention. Our review suggests that (1) mathematical modeling approaches can partially explain edge-biased distributions and (2) abiotic factors, crop vegetation traits, and environmental parameters are factors that are likely responsible for this phenomenon. However, we argue that more research, especially experimental research, is needed to increase the current understanding of how and why edge-biased distributions of insects are so widespread. We argue that the fact that many insect pests show edge-biased distribution patterns may be used to optimize both pest monitoring practices and precision targeting of pesticide applications and releases of natural enemies.

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“…Microclimate also influences the flight activity of aquatic species (Brindle, 1957;Waringer, 1991;Peng et al, 1992a;Briers et al, 2003). In common with terrestrial groups (e.g.…”

Section: Riparian Microclimatementioning

confidence: 99%

Riparian forestry management and adult stream insects

Briers

Gee

2004

Hydrol. Earth Syst. Sci.

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The impacts of coniferous plantation forestry on the biology of upland streams in the UK are firmly established. Whilst benthic communities have been well studied, very little research has considered the impacts of riparian forestry management on adult stream insects, yet the essentially terrestrial adult (reproductive) phase may be important in determining the abundance and distribution of larval stages. Riparian vegetation has a potentially strong impact on survival and success of adult stages through alteration of microclimate, habitat structure and potential food sources, in addition to effects carried over from larval stages. Here, current riparian management strategies are analysed in the light of available information on the ecology of adult stream insects. On the whole, management practices appear to favour adult stream insects, although an increase in tree cover in riparian areas could be beneficial, by providing more favourable microclimatic conditions for adults. This conclusion is drawn based on rather limited information, and the need for further research into the effects of riparian forestry management on adult stream insects is highlighted.

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The effect of microclimate on flying dipterans

Cited by 35 publications

References 22 publications

Roosting behaviour and phenology of the Lesser horseshoe bat (Rhinolophus hipposideros) in a breeding colony in Sintra, Portugal

Roosting behaviour and phenology of the Lesser horseshoe bat (Rhinolophus hipposideros) in a breeding colony in Sintra, Portugal

Edge-biased distributions of insects. A review

Riparian forestry management and adult stream insects

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