The scale Nemolecanium graniformis (Wunn) (Homoptera: Coccidae) in Greece |
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Authors: | G J Stathas |
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Institution: | 1. Laboratory of Biological Control, Benaki Phytopathological Institute, 8 S. Delta Str., 14?561, Kifissia (Athens), Greece
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Abstract: | The phenology and natural enemies of Nemolecanium graniformis (Wunn) (Homoptera: Coccidae) in infesting Abies cephalonica, were studied in Greece during 1998?–?1999. This oviparous species develops one generation per year in Central Greece (Attica) and overwinters as 2nd instar nymph. Young adult females appear by the end of July, and the first instar nymphs by the middle of August. By the middle of October, the whole population of the scale is recorded as 2nd instar nymphs. The parasitoids Coccophagus lycimnia (Walker), Coccophagus Westwood sp., Aphycoides Mercet sp. and the predator Exochomus quadripustulatus L. (Coleoptera: Coccinellidae), were observed as natural enemies of the scale. The average fecundity of N. graniformis was 188.4 eggs. |
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