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Comptes Rendus Biologies

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  1. Evolution of hemocyte concentration in the melanogaster subgroup species.

    Comptes Rendus Biologies 327(2):139 (2004) PMID 15060985

    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...
  2. [Experimental study on the sensory capabilities of coral-reef fish larvae for the recognition of their settlement location].

    Comptes Rendus Biologies 327(2):159 (2004) PMID 15060987

    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...
  3. Cytogenetic, cross-mating and molecular evidence of four cytological races of Anopheles crawfordi (Diptera: Culicidae) in Thailand and Cambo...

    Comptes Rendus Biologies 337(11):625 (2014) PMID 25444706

    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....
  4. First record of a cave species of Euscorpiops Vachon from Viet Nam (Scorpiones, Euscorpiidae, Scorpiopinae).

    Comptes Rendus Biologies 336(7):370 (2013) PMID 23932257

    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...
  5. [Foreword].

    Comptes Rendus Biologies 336(5-6):243 (2013) PMID 23916196

  6. Resurrection of New Caledonian maskray Neotrygon trigonoides (Myliobatoidei: Dasyatidae) from synonymy with N. kuhlii, based on cytochrome-o...

    Comptes Rendus Biologies 336(4):221 (2013) PMID 23849725

    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...
  7. Sexual size dimorphism in the ontogeny of the solitary predatory wasp Symmorphus allobrogus (Hymenoptera: Vespidae).

    Comptes Rendus Biologies 336(2):57 (2013) PMID 23608174

    We used empirical data on the development of the predatory wasp Symmorphus allobrogus (Hymenoptera, Vespidae) to test the hypotheses that sexual differences of growth resulting in the female-biased SSD embrace the difference in (1) the egg size and the starting size of larva, (2) the larval developm...
  8. Himantura tutul sp. nov. (Myliobatoidei: Dasyatidae), a new ocellated whipray from the tropical Indo-West Pacific, described from its cytoch...

    Comptes Rendus Biologies 336(2):82 (2013) PMID 23608177

    We show that the two cryptic species differ by the spotting patterns on the dorsal surface of adults: Cluster-4 individuals tend to have larger-ocellated spots, which also more often have a continuous contour than Cluster-1 individuals. We show that H. leoparda's holotype has the typical larger-ocel...
  9. Ultrastructure of vitellogenesis and vitellocytes in the trypanorhynch cestode Aporhynchus menezesi, a parasite of the velvet belly lanterns...

    Comptes Rendus Biologies 335(9):573 (2012) PMID 23026088

    This is the first TEM examination of vitellogenesis in the cestode Aporhynchus menezesi, a parasite of the velvet belly lanternshark Etmopterus spinax and a member of a little-studied trypanorhynch family, the Aporhynchidae. The synthetic activity of vitellocytes plays two important functions in the...
  10. An outbreak in France in the XVIIIth century: rinderpest.

    Comptes Rendus Biologies 335(5):343 (2012) PMID 22682351

    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...