Results 31 to 40 of about 2,881 (210)
Dr. J. E. McPherson, Educator and Researcher Extraordinaire: Biographical Sketch and List of Publications [PDF]
(excerpt) Like many outstanding naturalists, John E. (“Jay”) McPherson grew up with a strong interest in the natural world, especially insects. This innate curiosity led him to enroll as a zoology major at San Diego State University in 1959.
Henry, Thomas J
core +3 more sources
Effect of water quality on waterbugs (Hemiptera: Gerromorpha & Nepomorpha) in Flanders (Belgium) : results from a large-scale field survey [PDF]
Macroinvertebrates have been collected in Flanders since 1989 by the Flemish Environment Agency to assess ecological water quality. During the present study, the collected waterbugs were identified to species level.
Adriaens, Tim +3 more
core +2 more sources
Cinco nuevas especies de Tachygerris (Hemiptera: Gerridae: Gerrinae: Tachygerrini) para Colombia son descritas, Tachygerris chocoensis sp. nov., Tachygerris florianae sp. nov., Tachygerris moreirai sp. nov., Tachygerris paramillensis sp. nov.
Silvia Patricia Mondragón Fonseca +2 more
doaj +1 more source
Semiaquatic bugs (Hemiptera, Heteroptera, Gerromorpha) from Rio Grande do Sul, southern Brazil [PDF]
Rio Grande do Sul (RS) is the southernmost state in Brazil and includes areas within the Pampa and Atlantic Forest biomes. The semiaquatic bugs (Hemiptera, Heteroptera, Gerromorpha) from RS are poorly known, with only 14 previously recorded species.
Juliana Mourão dos Santos Rodrigues +4 more
doaj +3 more sources
Checklist of water bugs (Hemiptera: Heteroptera: Nepomorpha, Gerromorpha) of Slovakia [PDF]
The water bugs represent a significant component of the freshwater biota, play an important role in trophic webs, and may have considerable economic importance. Nevertheless, systematic research of this group has been underdeveloped in Slovakia (central Europe) for decades.
Klementová, Barbora R. +2 more
openaire +3 more sources
Macropterous individuals of wing polymorphic semiaquatic bugs (Heteroptera: Gerromorpha) usually occur at a high frequency if there is a need to leave an unfavorable habitat or in a generation migrating to/from an overwintering site.
Tomáš DITRICH, Miroslav PAPÁČEK
doaj +1 more source
Aquatic and semiaquatic Hemiptera bugs play significant ecological roles, and they are important indicators and pest control agents. Little information is currently available concerning its populations in southern Assam. This study assessed hemipterans
Anupama Saha, Susmita Gupta
doaj +1 more source
New distributional records of Gerromorpha Popov, 1971 (Insecta: Hemiptera: Heteroptera) from Cuba [PDF]
Distributional records of fourteen species of Gerromorpha, belonging to the families Gerridae, Hebridae, Hydrometridae, Mesoveliidae, and Veliidae, are reported from Cuba.
Senén Riviaux +2 more
doaj +3 more sources
Velia currens (Fabricius, 1794) and V. gridellii Tamanini, 1947 are two South European species of Veliidae, whose ecology and behaviour are poorly known.
Fabio CIANFERONI, Giacomo SANTINI
doaj +1 more source
Landscape changes have caused the decline of biodiversity and affected the integrity of aquatic ecosystems. In this study, we assessed the influence of industrialization associated with urban development on aquatic environments and the biodiversity of ...
Erlane José Cunha +4 more
doaj +1 more source

