Results 131 to 140 of about 21,307 (268)

The complete mitochondrial genome of Helophilus virgatus (Diptera: Syrphidae: Eristalinae) with a phylogenetic analysis of Syrphidae

open access: yesMitochondrial DNA. Part B. Resources, 2019
The complete mitochondrial genome (mitogenome) of Helophilus virgatus (Coquilletti, 1898) was sequenced. Its whole mitogenome was 15,742 bp in length, and all 37 genes were in the ancestral gene arrangement.
Hu Li, Juan Li
doaj   +1 more source

Diptera : Syrphidae

open access: yes, 2004
The aim of this work was to assess both lethal and sub-lethal effects of four pesticides commonly used in field vegetables in south Belgium (Wallonia) on Episyrphus balteatus [Diptera: Syrphidae]. Acute toxicity and long term effects of the pesticides at the recommended and reduced doses were assessed in laboratory conditions by exposing the insects on
Colignon, Pierre   +3 more
openaire   +1 more source

Rote Liste der Schwebfliegen (Diptera: Syrphidae) Baden-Württembergs / [Autoren Dieter Doczkal, Klaus Rennwald & Ulrich Schmid]. Fachdienst Naturschutz ... Hrsg. von der Landesanstalt für Umweltschutz Baden-Württemberg [PDF]

open access: yes, 2009
Schwebfliegen kommen in großer Zahl in fast allen terrestrischen Lebensräumen vor. Dennoch spielen sie bisher in der praktischen Naturschutzarbeit eine untergeordnete Rolle.
Doczkal, Dieter   +3 more
core  

An integrated approach to delimiting species borders in the genus Chrysotoxum Meigen, 1803 (Diptera: Syrphidae), with description of two new species [PDF]

open access: yes, 2015
Integrative taxonomy tests the validity of taxa using methods additional to traditional morphology. The existence of two different morphotypes in specimens identified as Chrysotoxum vernale Loew (Diptera: Syrphidae) prompted their taxonomic study using ...
Ačanski, Jelena   +5 more
core   +1 more source

Keanekaragaman Dan Kelimpahan Musuh Alami Bemisia Tabaci (Gennadius) (Hemiptera: Aleyrodidae) Pada Pertanaman Cabai Merah Di Kecamatan Pakem, Kabupaten Sleman, Daerah Istimewa YOGYAKARTA [PDF]

open access: yes, 2011
Research on natural enemies of Bemisia tabaci was conducted in the Chili pepper fields in Sub-district of Pakem, District of Sleman, The Special Province of Yogyakarta during the dry season of May-October 2009. The aims of this research were to study the
Hendrival, H. (Hendrival)   +2 more
core  

A new hoverfly genus from the Oligocene of France with unusual morphology

open access: yesActa Palaeontologica Polonica
Here, we describe Intricodon cryptodaemoniacus, a new fossil genus and species of hoverfly (Diptera: Syrphidae), representing the second described hoverfly from the middle Oligocene of Céreste (Luberon, Southern France). It has unique, highly specialized
Valentin Nidergas   +3 more
doaj   +1 more source

Las “moscas de las flores” (Diptera: Syrphidae) en Lules, Tucumán [PDF]

open access: yes, 2014
La familia Syrphidae es un grupo de insectos que se caracteriza por ser moscas grandes y vistosas capaces de adoptar la apariencia de abejas o avispas para defenderse de los depredadores. Los adultos generalmente se encuentran sobre las flores o en vuelo
Assaf, M. J. T.   +4 more
core  

Saproxylic beetles and syrphids (Coleoptera; Diptera: Syrphidae) of the “dehesa” from the western Iberian: the Biological Reserve of “Campanarios de Azaba” (Salamanca) [PDF]

open access: yes, 2015
Se aporta la relación de especies de coleópteros y sírfidos saproxílicos que habitan en ecosistemas de dehesa del oeste ibérico. Se ha estudiado la Reserva Biológica de Campanarios de Azaba, provincia de Salamanca, designada en 2013 como primera Reserva ...
Galante, Eduardo   +3 more
core   +1 more source

Evaluación cinética de los dípteros como indicadores de la evolución del proceso de compostaje Kinetic evaluation of diptera as indicators of the evolution of composting process

open access: yesRevista Ingenierías Universidad de Medellín, 2010
Este trabajo buscó establecer el papel de ciertos organismos, en particular de artrópodos, en el proceso de compostaje, con el fin de establecer parámetros biológicos, físicos y químicos que permitan evaluar y garantizar la óptima calidad del material ...
Gladis Estela Morales Mira   +1 more
doaj  

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