Katsoyannos, P. (?????.).  (1983).  Some data on the restoration of density and activity of Exochomus quadripustulatus L. (Coleoptera Coccinellidae) in a biotope at Delfi, Greece.. Biologia Gallo-hellenicaBiologia Gallo-Hellenica, 10, 245-252.

Katsoyannos, P. (?????.).  (1984).  The establishment of Rhyzobius forestieri (Col: Coccinellidae) in Greece and its efficiency as an auxiliary control agent against a heavy infestation of Saissetia oleae (Hom: Coccidae).. EntomophagaEntomophaga, 29, 387-397.

Katsoyannos, P. (?????.).  (1991).  First record of Aleurothrixus floccosus (Mask.) (Homoptera: Aleyrodidae) in  Greece and some observations on its phenology.. Entomologia HellenicaEntomologia Hellenica, 9, 69-72.

Katsoyannos, P. (?????.).  (1994).  First record of twenty three species of aphids (Homoptera: Aphidoidea) in Greece. Annales de l'Institut Phytopathologique BenakiAnnales de l'Institut Phytopathologique Benaki, 17, 25-33.

Katsoyannos, P. (?????.).  (1997).  Status and importance of Rhyzobius forestieri (Col.: Coccinellidae) on citrus at Chios Island, Greece, nine years after its introduction. EntomophagaEntomophaga, 42, 387-392. ????????????? ??? 1997///.

Katsoyannos, P., & Argyriou, L. (?????.).  (1983).  The action of natural enemies against the San Jose scale Quadraspidiotus perniciosus Comstock (Hom., Diaspididae) on almond trees in northern Greece..  (Z.  Kaszab, ????.)Zehnten Internationalen Symposiums über Entomofaunistik Mitteleuropas (SIEEC). ????????????? ??? 15-20  August, Budapest.

Katsoyannos, P., & Hagen, K. S. (?????.).  (1980).  Comparative phenology and diapause of the predator Exochomus quadripustulatus L. (Col.: Coccinellidae) in California and Greece. International Congress of Entomology ProceedingsInternational Congress of Entomology Proceedings, 16, 115-120.

Katsoyannos, P., Ifantis, K., & Kontodimas, D. C. (?????.).  (1997).  Phenology, population trend and natural enemies of Aleurothrixus floccosus (Hom.: Aleyrodidae) at a newly invaded area in Athens, Greece. EntomophagaEntomophaga, 42, 619-628. ????????????? ??? 1997///.

Katsoyannos, P., Kontodimas, D. C., & Stathas, G. (?????.).  (2005).  Summer diapause and winter quiescence of Hippodamia (Semiadalia) undecimnotata (Coleoptera: Coccinellidae) in central Greece. European Journal of EntomologyEuropean Journal of Entomology, 102, 453-457. ????????????? ??? 2005///.

Katsoyannos, P., Kontodimas, D. C., & Stathas, G. J. (?????.).  (1997).  Phenology of Hippodamia undecimnotata (Col.: Coccinellidae) in Greece. EntomophagaEntomophaga, 42, 283-293. ????????????? ??? 1997///.

Katsoyannos, P., Kontodimas, D. C., & Stathas, G. J. (?????.).  (1997).  Summer diapause and winter quiescence of Coccinella septempunctata (Col. Coccinellidae) in central Greece. EntomophagaEntomophaga, 42, 483-491. ????????????? ??? 1997///.

Katsoyannos, P., Kontodimas, D. C., Stathas, G. J., & Tsartsalis, C. T. (?????.).  (1997).  Establishment of Harmonia axyridis on citrus and some data on its phenology in Greece. PhytoparasiticaPhytoparasitica, 25, 183-191. ????????????? ??? 1997///.

Katsoyannos, P., & Laudého, Y. (?????.).  (1975).  Periodes d'activité des principaux insects entomophages indigènes de Saissetia oleae Bern. sur l'olivier, en Grèce continentale. FruitsFruits, 30, 271-274.

Katsoyannos, P., & Laudého, Y. (?????.).  (1977).  Contribution à la mise au point de l'élévage d'Exochomus quadripustulatus L. (Col., Coccinellidae).. Biologia Gallo-hellenicaBiologia Gallo-Hellenica, 6, 251-558.

Katsoyannos, P., & Stathas, G. J. (?????.).  (1995).  Phenology, embryonic diapause and importance of natural enemies of  Lepidosaphes ulmi (L.) (Homoptera: Diaspididae) on olive trees in Greece.. Israel Journal of EntomologyIsrael Journal of Entomology, 29, 199-206.

Katsoyannos, P., & Stathas, G. J. (?????.).  (1997).  Phenology of Melanaspis inopinata on pistachio trees in Greece. PhytoparasiticaPhytoparasitica, 25, 331-332. ????????????? ??? 1997///.

Katsoyannos, P., Stathas, G. J., & Kontodimas, D. C. (?????.).  (1997).  Phenology of Coccinella septempunctata (Col.: Coccinellidae) in central Greece. EntomophagaEntomophaga, 42, 435-444. ????????????? ??? 1997///.

Argyriou, L. C., & Katsoyannos, P. (?????.).  (1977).  Coccinellidae species found in the olive-groves of Greece. Annales de l'Institut Phytopathologique BenakiAnnales de l'Institut Phytopathologique Benaki, 11, 331-345.