Canard, M. 1996 La Pulvinaire pyriforme Protopulvinaria pyriformis Cockerell, 1894, une cochenille nouvelle pour la faune de France (Homoptera, Coccidae). [Pyriform scale, Protopulvinaria pyriformis Cockerell, 1894, a new scale for the French fauna].. Bulletin de la Société Entomologique de France 101: 131-134.

Notes: This scale found in field in southern France; morphological characters; originally from Spain; hosts include Hedera helix.