نتایج جستجو برای: syrphidae
تعداد نتایج: 662 فیلتر نتایج به سال:
eristalis tenax , belonging to order diptera, family syrphidae seldomly causes intestinal myiasis. intestinal myiasis caused by e. tenax larvae is a rare manifestation found in both humans and other vertebrate animals. we report a 22-year-old woman presented with this myiasis. the larva in her stool sample was identified as e. tenax related to its typical morphology and authentic clues. lack...
1. There is growing interest in improving the biodiversity of urban and suburban areas. Here we report on the effectiveness of a very simple intervention that may be used to boost flower and pollinator abundance; the sowing of plots of wildflowers in amenity grasslands. The abundance of flowers, bumblebees (Bombus spp.), and hoverflies (Syrphidae) was surveyed in 30 such plots, either 1 or 2 ye...
The syrphids (Syrphidae) of Serra do Courel, a mountainous locality of just over 20,000ha at the west end of the Cantabrian Mountains, northern Spain are poorly known. The Scottish based, Malloch Society visited the locality in May 2012 and collected a total of 462 specimens of 98 syrphid species and 36 genera. These represent the first syrphid records from Serra do Courel. The area has many me...
Woolly apple aphid, Eriosoma lanigerum (Hausmann), has become a pest of increasing importance in Washington apple orchards in the past decade. The increase in aphid outbreaks appears to be associated with changes in pesticide programs and disruption of biological control. We sampled woolly apple aphid colonies in central Washington apple orchards for natural enemies of this pest from 2006 to 2...
The results of the hoverfly (Syrphidae) collection by the ‘Malloch Society’ on the Greek island of Lesvos are presented. Fieldwork took place from February to March 2006 and from May to June 2010. An account of 66 species from 28 genera is provided including two species new to science, five species new to Greece and data for several rarely recorded species. We describe Eumerus armatus Ricarte a...
Revision of the species of the Merodon nanus group (Diptera: Syrphidae) including three new species.
The nanus group of the genus Merodon Meigen (Diptera, Syrphidae) is revised, yielding an illustrated key, a discussion of taxonomic characters and morphological diagnosis for the five species of this group. Three new cryptic species are described, Merodon kopensis Vujić et Hayat sp. n., M. neonanus Vujić et Taylor sp. n. and M. rasicus Vujić et Radenković sp. n. New diagnostic characters are gi...
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