Comptes Rendus Biologies
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Evolution of hemocyte concentration in the melanogaster subgroup species.
We explore two possible hypotheses about the ecological factors driving the evolution of hemocyte load in insects. The first is parasite infection risk, its variability and the genetic diversity of parasites. The other supposes that all the other factors of environmental stress drive the evolution th...
[Experimental study on the sensory capabilities of coral-reef fish larvae for the recognition of their settlement location].
Some experiments in aquarium and in situ have been carried out to investigate the sensory abilities of coral reef fish larvae in the recognition of their settlement location. Ten out 12 species studied detected their settlement location due to the presence of conspecifics and not by habitat character...
Cytogenetic, cross-mating and molecular evidence of four cytological races of Anopheles crawfordi (Diptera: Culicidae) in Thailand and Cambo...
Twenty-nine isolines of Anopheles crawfordi were established from wild-caught females collected from cow-baited traps in Thailand and Cambodia. Three types of X (X1, X2, X3) and four types of Y (Y1, Y2, Y3, and Y4) chromosomes were identified, according to differing amounts of extra heterochromatin....
First record of a cave species of Euscorpiops Vachon from Viet Nam (Scorpiones, Euscorpiidae, Scorpiopinae).
Euscorpiops cavernicola sp. n., belonging to the family Euscorpiidae Laurie, is described on the basis of two male and two female specimens collected in the Hua Ma cave located in the Quang Khe commune, Ba Be district of Bac Kan province in Viet Nam. The new species presents most features exhibited...
Resurrection of New Caledonian maskray Neotrygon trigonoides (Myliobatoidei: Dasyatidae) from synonymy with N. kuhlii, based on cytochrome-o...
The maskray from New Caledonia, Neotrygon trigonoides Castelnau, 1873, has been recently synonymized with the blue-spotted maskray, N. kuhlii (Müller and Henle, 1841), a species with wide Indo-West Pacific distribution, but the reasons for this are unclear. Blue-spotted maskray specimens were collec...
The different breeding strategies of penguins: a review.
We describe and compare the breeding cycle of all the penguin species, highlighting the characteristics of each species in terms of breeding range, population status, threats induced by environmental changes, duration of the different phases of the breeding cycle, mate fidelity, body mass, body heig...
An outbreak in France in the XVIIIth century: rinderpest.
Long regarded as the major disease of cattle, rinderpest is now eradicated. It was inflicting from 60 to 90% mortality on livestock. Installed in Asia, it arrived in France in waves, but never became endemic there. Four outbreaks of rinderpest hit the country during the eighteenth ce...
[The fight against epizootics in the 21st Century].
The fight against epizootics is today better organized. The tools, methods and strategies used work well and are constantly being improved, which is necessary since disease epidemiology is evolving extremely fast, dominated by a growing complexity associated to global changes and the...
Differential reproductive timing in Echinocardium spp.: The first Mediterranean survey allows interoceanic and interspecific comparisons