Costantino Ribaga

Costantino Ribaga (14 June 1870 – 20 February 1945) was an Italian acarologist and entomologist. He worked on the systematics of mites and psocoptera and contributed to biological control techniques. He described an organ in the female bed bug which is known as the organ of ribaga. Ribaga's organ also known as the paragenital sinus is located on the underside of the fourth abdominal segment into which the male bedbug traumatically inseminates the female.

Life and work

Ribaga was born in Tiarno di Sopra (Trento) and studied at the University of Munich and graduated from Padua in 1895. He worked at the University of Vienna before becoming an assistant to Antonio Berlese at the school of agriculture in Portici. In 1903 he succeeded Berlese and headed the Royal Agricultural Entomology Station in Florence and worked there until 1912. Ribaga established the genus Phytoseius in 1904 in his major work "Gamasidi planticoli" on the plant mites.[1][2] Most of his specimens are lost and his taxonomic work has been largely ignored.[3] He described in 1896 what is now sometimes termed as the organ of Ribaga.[4] This organ, found in the female bedbug, has a mesodermal portion which had been called as "Berlese's organ" and had been described in many bug groups including the Nabidae, Cimicidae, and Anthocoridae. The term ectospermalege is now used for the structure.[5]

References

  1. ^ Fontana, Paolo; Duso, Carlo (1994). "Costantino Ribaga e i "Gamasidi planticoli" (Acari)". Atti della Accademia Roveretana degli Agiati. B, Classe di scienze matematiche, fisiche e naturali. 7. 4: 85–99.
  2. ^ Ribaga, C. (1903). "Gamasidi Planticoli". Rivista di Patologia Vegetale. 10: 175–178. ISSN 0035-6441.
  3. ^ Ragusa, Salvatore (2000). "As time goes by: a profile of Italian acarology". In Bernini, F.; Nannelli, R.; Nuzzaci, G.; De Lillo, E. (eds.). Acarid Phylogeny and Evolution: Adaptation in Mites and Ticks. Proceedings of the IV Symposium of the European Association of Acarologists. Siena. doi:10.1007/978-94-017-0611-7.{{cite book}}: CS1 maint: location missing publisher (link)
  4. ^ Ribaga, C. (1896). "Sopra un organo particolare delle cimici dei letti (Cimex lectularius L.)". Riv.Patol.veg. 5 (9–12): 343–352.
  5. ^ Carayon, Jacques (1966). "Traumatic insemination and the paragenital system". In Usinger, Robert L. (ed.). Monograph of Cimicidae (Hemiptera - Heteroptera). The Thomas Say Foundation. pp. 89–91.
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