Unusual Occurrence of Cocoons in Population of Haplodiplosis marginata (Diptera: Cecidomyiidae) in Belgium

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F14%3A10293745" target="_blank" >RIV/00216208:11310/14:10293745 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1093/jisesa/ieu101" target="_blank" >http://dx.doi.org/10.1093/jisesa/ieu101</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/jisesa/ieu101" target="_blank" >10.1093/jisesa/ieu101</a>

Result language
angličtina
Original language name
Unusual Occurrence of Cocoons in Population of Haplodiplosis marginata (Diptera: Cecidomyiidae) in Belgium
Original language description
The saddle gall midge, Haplodiplosis marginata (von Roser) (Diptera: Cecidomyiidae), is a phytophagous species that develops in saddle-shaped galls on stems of wheat Triticum vulgare, barley Hordeum sativum, rye Secale cereale, and some other species ofPoaceae. Only one generation develops per year. Full-grown larvae leave galls and drop onto the soil where they remain up to the springtime of the following year. Larvae do not usually spin cocoons. However, formation of cocoons by larvae was observed inpopulations developing in western Europe: in England in 1954, in the Netherlands in the 1960s, and in Belgium in 2011. On the basis of our analysis, a part of the larval population forms cocoons as protection against unfavorable weather conditions, especially drought.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EG - Zoology
OECD FORD branch
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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