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The pyriform scale Protopulvinaria pyriformis (Cockerell) (Hemiptera: Coccidae), is widely distributed in many countries of the world (Ben-Dov 1993). In the Mediterranean basin, the coccid has been recorded in France (Canard 1996), Israel (Blumberg and Blumberg 1991), Italy (Pellizzari 2003), Portugal (Carvalho and Aguiar 1997) and Spain (Spina 2001). It is a polyphagous insect with more than 100 plant hosts belonging to 34 families (Wysoki 1985). It was recently recorded for the first time in Greece, on the laurel Laurus nobilis L. (Lauraceae) (Ben-Dov et al. 2003) (Fig. 1). Its phenology and ecology was studied in the area of Kalamata (Southern Peloponnesus) on L. nobilis, where it was found to complete several overlapping generations every year (Stathas et al. 2009). The duration of generation time was estimated to last ~52 days in nature during winter and it was shortened to 29-33 days during summer. It was found to be parasitized by Metaphycus helvolus (Compere) (Hymenoptera: Encyrtidae). However, the scale was able to resist parasitization by encapsulating the parasitoid’s eggs. The predator Chilocorus bipustulatus (L.) (Coleoptera: Coccinellidae) was found to be the natural enemy of the scale (Stathas, et al. 2008). FIG. 1. Protopulvinaria pyriformis on Laurus nobilis.

New hosts for the pyriform scale Protopulvinaria pyriformis (Cockerell) (Hemiptera: Coccidae) in Greece