C. Géri

Publications31
h-index12
Citations342
Highly Influential Citations17
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The Pine Sawfly in Central France
TLDR
The pine sawfly is widespread from the British Isles to the Soviet Union and from North Africa to Finland and by a few species of American origin, such as Neodiprion sertifer Geoffroy.
Effects of plant chemistry and phenology on sawfly behavior and development.
Quantitative variations of taxifolin and its glucoside in Pinus sylvestris needles consumed by Diprion pini larvae
TLDR
L'evolution du contenu des aiguilles en T et TG au cours d'une annee se caracterise, en particulier, par de fortes teneurs en T en automne.
Sex pheromone of the pine sawflyDiprion pini (Hymenoptera: Diprionidae): Chemical identification, synthesis and biological activity
The main component of the sex pheromone secretion of femaleDiprion pini L. (Hymenoptera: Diprionidae) from insects collected both in Finland and in France has been identified as…
Effect of the foliage of different pine species on the development and oviposition of the pine sawfly, Diprion pini L. (Hym., Diprionidae)
TLDR
Large variations in the biological characteristics of D. pini such as mortality, larval development rate, insect weight and fecundity, depending on the pine species, were proven and in all cases, the Scots pine appeared to be the best food.
The chromosomes of Diprion pini and D. similis (Hymenoptera: Diprionidae): implications for karyotype evolution
TLDR
Ch Chromosome morphology, ISH and C-banding results support the hypothesis of chromosome number doubling by centric fission and not by polyploidization, followed by the growth of short arms by means of pericentromeric DNA amplification.
Chromosomal location of rRNA genes in Diprion pini detected by in situ hybridization
Relationship of Scots Pine Clone Characteristics and Water Stress to Hatching and Larval Performance of the Sawfly Diprion pini (Hymenoptera: Diprionidae)
TLDR
Foliage analysis showed an inverse relationship between hatching rate and dry matter content of foliage, which suggests that the success of egg development might be important for the population dynamics of D. pini.
Electrophysiological and morphological characteristics of pheromone receptors in male pine sawflies, Diprion pini (Hymenoptera: Diprionidae), and behavioral response to some compounds
Release of sex pheromone and its precursors in the pine sawfly Diprion pini (Hym., Diprionidae)
TLDR
Collection of airborne compounds using absorbtion on charcoal filter as well as solid phase microextraction followed by analysis employing gas chromatography combined with mass spectrometry (GC-MS), revealed an unusual system in Diprion pini, in which the pheromone precursor alcohol is released together with acetic, propionic, butyric and isobutyric acids.
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