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STEENBERG T., EILENBERG J. (1995): Natural occurence of entomopathogenic fungi on Aphids at an agricurtural field site. [Entomopathogenic fungi, cereal aphids, weeds, Erynia neoaphidis, Entomophthora planchoniana] Czech Mycology 48(2): 89-96 (published: 25th September, 1995)
abstract
The occurrence of insect pathogenic fungi on cereal aphids (Sitobion avenae, Rhopalosiphum padi and Metopolophium dirhodum) and other aphid species was studied at an agricultural field site over two years. Aphids were sampled from crops (Tricitum sativum, Avena sativa and Secale cereale) and weeds (Chenopodium album, Polygonum spp., Lamium sp., Capsella bursa-pastoris and other s) and the following fungal species were documented: Erynia neoaphidis, Entomophthora planchoniana, Conidiobolus obscurus, Conidiobolus thromboides, Neozygites fresenii and Verticillium lecanii. Epizootic development from mid July onwards occurred in a population of S. avenae. The dominant fungus species in 1993 was E. neoaphidis, and in 1994 E. planchoniana. It was possible to infect S. avenae with E. neoaphidis originating from other aphid species.
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