caa a22 4500 475834674 CHVBK 20180406123850.0 cr unu---uuuuu 170329e20001201xx s 000 0 eng 10.1023/A:1026598305752 doi (NATIONALLICENCE)springer-10.1023/A:1026598305752 Establishment and spread of two introduced parasitoids (Ichneumonidae) of the birch leafminer, Fenusa pusilla (Lepeletier) (Tenthredinidae) [Elektronische Daten] [D.W. Langor, S.C. Digweed, D.J.M. Williams, J.R. Spence, C. Saunders] Lathrolestes nigricollis(Thomson) and Grypocentrus albipes Ruthe,Palearctic specialist parasitoids of thebirch-leafmining sawfly Fenusa pusilla(Lepeletier), were imported from central Europe andreleased at three locations in Edmonton, Alberta,Canada during 1994-1996. Parasitoids becameestablished at two locations, L. nigricollis atboth and G. albipes at one, and were recoveredfor 3-5 years after release. Lathrolestesnigricollis has dispersed throughout most ofEdmonton, and at least 13 km from release sites, butG. albipes has been recovered only 400-500 mfrom one release site. Five years after introductionat one site, percent parasitism by L.nigricollis was 78% and 84% for the first andsecond generations, respectively, and about 48% ofparasitoid eggs were encapsulated. Kluwer Academic Publishers, 2000 birch leafminer nationallicence biological control nationallicence parasitism nationallicence Fenusa pusilla nationallicence Grypocentrus albipes nationallicence Lathrolestes nigricollis nationallicence Langor D.W. Canadian Forest Service, Northern ForestryCentre, Edmonton, Alberta, Canada aut Digweed S.C. Department of Biological Sciences, University ofAlberta, Edmonton, Alberta, Canada aut Williams D.J.M. Canadian Forest Service, Northern ForestryCentre, Edmonton, Alberta, Canada aut Spence J.R. Department of Biological Sciences, University ofAlberta, Edmonton, Alberta, Canada aut Saunders C. City of Edmonton, Parks and Recreation, Edmonton, Alberta, Canada aut BioControl Kluwer Academic Publishers 45/4(2000-12-01), 415-423 1386-6141 45:4<415 2000 45 10526 https://doi.org/10.1023/A:1026598305752 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1026598305752 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Langor D.W. Canadian Forest Service, Northern ForestryCentre, Edmonton, Alberta, Canada aut NATIONALLICENCE 700 1- Digweed S.C. Department of Biological Sciences, University ofAlberta, Edmonton, Alberta, Canada aut NATIONALLICENCE 700 1- Williams D.J.M. Canadian Forest Service, Northern ForestryCentre, Edmonton, Alberta, Canada aut NATIONALLICENCE 700 1- Spence J.R. Department of Biological Sciences, University ofAlberta, Edmonton, Alberta, Canada aut NATIONALLICENCE 700 1- Saunders C. City of Edmonton, Parks and Recreation, Edmonton, Alberta, Canada aut NATIONALLICENCE 773 0- BioControl Kluwer Academic Publishers 45/4(2000-12-01), 415-423 1386-6141 45:4<415 2000 45 10526 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer