Summary
Very few predators and parasites ofAphytis have been recorded. Among predators, only Coccinellids preying on Diaspine scale insects have been mentioned as damaging to the preimaginal stages ofAphytis on occasion, and a single case of a mitePyemotidae has been known to have destroyed the pupae. As to the parasites known, they are accidental and rare. There are cases where only the male lives as a parasite onAphytis, the female developing normally as a primary parasite onAphytis hosts.
Two species harmful toAphytis have been found in Lebanon:Pyemotes herfsi Oudemans (Acarina, Pyemotidae) andApterencyrtus adeli n. sp. (Hymenoptera, Encyrtidae). P. herfsi is a polyphagous predator, and its increase in number might constitute a threat to theAphytis in the field and the insectary.A. adeli is the only example known so far of a true hyperparasite whose males and females develop onAphytis. It has been found abundantly on larvae ofAphytis mytilaspidis as well as on many other hosts.
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Extrait d'une thèse de Doctorat de troisième cycle (biologie animale) soutenue à la Faculté des Sciences de l'Université de Paris le 2 avril 1968.
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Traboulsi, R. Prédateurs et parasites d'Aphytis [Hym., Aphelinidae] . Entomophaga 13, 345–355 (1968). https://doi.org/10.1007/BF02371917
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DOI: https://doi.org/10.1007/BF02371917