Distribution and ecology of the mayflies (Ephemeroptera) of Flanders (Belgium)

Lock, Koen; Goethals, Peter

doi:10.1051/limn/2011011

Cited by 13 publications

(7 citation statements)

References 12 publications

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“…Caddisflies are reported as sensitive species , which could be confirmed here as all the species were largely restricted to waters with an oxygen content above 6 mg.l x1 and a conductivity below 1000 mS.cm x1 . Whereas mayflies (Ephemeroptera), which is another order of sensitive aquatic insects, contain several species in the families Baetidae and Caenidae that are relatively tolerant (Lock and Goethals, 2011), this is not the case for caddisflies in Flanders, despite the much higher species diversity in the latter order.…”

Section: Discussionmentioning

confidence: 99%

Distribution and ecology of the caddisflies (Trichoptera) of Flanders (Belgium)

Lock

Goethals

2012

Ann. Limnol. - Int. J. Lim.

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-Based on a literature survey and the identification of all available collection material, a checklist and distribution maps for the caddisflies occurring in Flanders were prepared. Of the 126 species that have been recorded, 16 are now extinct in Flanders, while the majority of the remaining species is rare and their populations are often vulnerable due to isolation. Caddisflies only occurred at high oxygen levels and relatively low conductivities and three species assemblages could be recognized. A first group of species lived in stagnant waters and those species tolerated slightly lower oxygen concentrations than species characteristic for running waters. In streams of the Campine region, which are characterized by a low pH and a low conductivity, a second group of species was found. The last group of species mainly occurred in the loamy region, where pH and conductivity are higher. Running waters in other ecoregions mainly contained ubiquist species and did not possess a characteristic species assemblage. Despite the fact that the ecological water quality in Flanders slightly increased during the last few decades, the ecological water quality of most waters is still too low for caddisflies. According to the European Union water framework directive, a good ecological water quality should be obtained in all surface waters. Additional measures to improve the water quality are necessary in order to obtain sustainable populations of the caddisfly species occurring in Flanders.

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Section: Discussionmentioning

confidence: 99%

Distribution and ecology of the caddisflies (Trichoptera) of Flanders (Belgium)

Lock

Goethals

2012

Ann. Limnol. - Int. J. Lim.

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“…Also most mayfly species (Lock and Goethals, 2011) and caddisfly species (Lock and Goethals, 2012) are more sensitive than waterbugs. This justifies why most stoneflies, mayflies and caddisflies were assigned higher tolerance scores than waterbugs .…”

Section: Discussionmentioning

confidence: 99%

Effect of water quality on waterbugs (Hemiptera: Gerromorpha & Nepomorpha) in Flanders (Belgium): results from a large-scale field survey

Lock

Adriaens

Meutter

et al. 2013

Ann. Limnol. - Int. J. Lim.

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-Macroinvertebrates have been collected in Flanders since 1989 by the Flemish EnvironmentAgency to assess ecological water quality. During the present study, the collected waterbugs were identified to species level. In total, more than 90 000 waterbugs were identified, belonging to 45 species. Two of these are recent additions to Flemish fauna: Sigara iactans was found to be a common species in 1989, the first year of monitoring, which is earlier than the first records reported so far, whereas Cymatia rogenhoferi remains a very rare species. Five different communities could be recognized: (1) species occurring in alkaline waters with a high pH, (2) species occurring in colder waters that can tolerate slightly brackish and nutrient rich water, (3) species from running waters, (4) species from acidic waters and (5) ubiquist species that occurred in all types of water. Owing to the general improvement of chemical water quality during the last decade, most species increased, however, three pollution tolerant species declined significantly: Callicorixa praeusta, Corixa punctata and Sigara striata.

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“…Cloeon dipterum is currently considered a species -complex that includes seven genetic groups as it is shown by genetic data from samples from East Asia, North America and Europe (Yano et al, 2019). In addition, it is a eurytopic species, with a wide range of tolerance to environmental conditions (Velasco et al, 1998;Menetrey et al, 2008;Lock & Goethals, 2011), such as water pH (Vilenica et al, 2016) and temperature (McKee & Atkinson, 2000). It can also survive at low concentrations of oxygen by using an anaerobic mechanism, after long-term acclimatization in waters at temperatures close to 0 °C (Kamler, 1971;Nagell & Fagerstrom, 1978).…”

Section: Introductionmentioning

confidence: 99%

First record of Cloeon dipterum (L.) (Ephemeroptera: Baetidae) in Buenos Aires, Argentina

Banegas¹,

Túnez²,

Nieto³

et al. 2020

Rev. Soc. Entomol. Arg.

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Primer registro de Cloeon dipterum (L.) (Ephemeroptera: Baetidae) en Buenos Aires, Argentina RESUMEN. Cloeon dipterum (L.) (Ephemeroptera: Baetidae) está ampliamente distribuido en las zonas templadas de Eurasia, sin embargo, está restringido en América del Norte a tres estados de Estados Unidos y Canadá, y en América del Sur a Chile. Con el fin de confirmar nuestra hipótesis de que se introdujo recientemente en Argentina, el objetivo del presente estudio fue identificar la especie en base a análisis moleculares y caracteres morfológicos. Para ello se recolectaron ninfas de tres hábitats artificiales en diferentes localidades de la provincia de Buenos Aires y de dos arroyos afluentes del Río Luján, al noreste de Buenos Aires (Argentina). Todas las ninfas fueron identificadas como C. dipterum, lo que confirma la presencia de la especie en Argentina. La distribución de C. dipterum en Buenos Aires junto a su ausencia en los sitios previamente muestreados de manera regular, indicarían que los individuos registrados son introducidos y están bien establecidos en la zona de estudio. PALABRAS CLAVE. Cuerpos de agua neotropicales. Especie exótica. Insectos acuáticos. ABSTRACT. Cloeon dipterum (L.) (Ephemeroptera: Baetidae) is widely distributed in temperate areas of Eurasia, whereas, in North America, it is restricted to three states of the USA and Canada, and, in South America to Chile. To confirm our hypothesis that C. dipterum has been recently introduced in Argentina, the aim of the present study was to identify the species based on molecular analyses and morphological features. To this end, nymphs were collected from three artificial habitats located in different localities of Buenos Aires province and two tributary streams of the Luján River, northeast of Buenos Aires, Argentina. Nymphs were all identified as belonging to C. dipterum thus confirming the presence of the species in Argentina. The distribution of C. dipterum in Buenos Aires, together with its absence from previously sampled sites, would indicate that the individuals recorded are introduced and already well established in the study area.

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Distribution and ecology of the mayflies (Ephemeroptera) of Flanders (Belgium)

Cited by 13 publications

References 12 publications

Distribution and ecology of the caddisflies (Trichoptera) of Flanders (Belgium)

Distribution and ecology of the caddisflies (Trichoptera) of Flanders (Belgium)

Effect of water quality on waterbugs (Hemiptera: Gerromorpha & Nepomorpha) in Flanders (Belgium): results from a large-scale field survey

First record of Cloeon dipterum (L.) (Ephemeroptera: Baetidae) in Buenos Aires, Argentina

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