Natural calcification of the prosomatic endosternite in the phalangiidae (Arachnida: Opiliones)

@article{Kovoor1978NaturalCO,
  title={Natural calcification of the prosomatic endosternite in the phalangiidae (Arachnida: Opiliones)},
  author={J. M. Kovoor},
  journal={Calcified Tissue Research},
  year={1978},
  volume={26},
  pages={267-269}
}
  • J. Kovoor
  • Published 8 December 1978
  • Biology
  • Calcified Tissue Research
SummaryExtracellular masses of crystals are present in the endosternite of certain opilions (Phalangium, Odiellus, andLeiobunum). X-ray spectrography and secondary-ion analysis have shown them to be rich in calcium but poor in phosphorus and other elements. The associated anion has not been identified, but is most probably organic in nature and perhaps an oxalate. 

Elemental characterization of the cuticle in the marine intertidal pseudoscorpion, Halobisium occidentale

This study confirms that pseudoscorpions, like many other arthropods, enrich their cuticle with specific elements at precise locations that are important in predation and locomotion (tarsal claws, arolia), and the presence of Al and Ni in any significant quantities in the arthropod exoskeleton is revealed.

Mg-enriched ovipositors as a possible adaptation to hard-skinned fruit oviposition in Drosophila suzukii and D. subpulchrella

It is suggested that Mg-enrichment may represent an adaptation to hard-skinned fruit oviposition, and, together with its modified ovipositor morphology, may further explain why D. suzukii is so successful as an invader.

Arthropoda

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