Journal of Pest Science (2004) 77, 49-51

Malgorzata Skrzypczynska (2004)
Studies on the population frequency of insects and mites causing galls on the leaves of the sycamore maple Acer pseudoplatanus L. in southern Poland
Journal of Pest Science 77 (1), 49-51
Abstract: Species composition of galls on the leaves of Acer pseudoplatanus L. was analysed in 2002 in three localities: the Wolski Forest, near an urban agglomeration of Kraków, the Ojców National Park and the Andrychów Forest District. A total of 12,013 galls were found. The galls were caused by six insect or mite species. The species composition of the galls was identical in the three localities. Artacris cephaloneus (Nalepa) was the most abundant species. The index of occurrence frequency and Agrell's index of species co-occurrence were calculated. The index of occurrence frequency (F) value was highest in the case of A. cephaloneus (1.277) and the lowest value, i.e. 0.00005-both from the Wolski Forest. The highest value for Agrell's index of species co-occurrence, i.e. 0.900, was found in the case of Eriophyes pseudoplatani Corti and Drisina glutinosa Giard (Ojców National Park), and the lowest,0.050, for D. glutinosa and Coptophylla gymnaspis (Nalepa) (Wolski Forest; Andrychów FD) and for D. glutinosa and Dasineura irregularis (Bremi) (Andrychów FD).
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Malgorzata Skrzypczynska

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Artacris cephaloneus	Maple (Acer)	Poland
	Eriophyes pseudoplatani	Maple (Acer)	Poland
	Drisina glutinosa	Maple (Acer)	Poland
	Coptophylla gymnaspis	Maple (Acer)	Poland
	Dasineura irregularis	Maple (Acer)	Poland