Effect of parasitism by Trichopsidea oestracea Westwood (Diptera: Nemestrinidae) on the susceptibility of Phaulacridium vittatum (Sjostedt) (Orthoptera: Acrididae) to infection by Metarhizium anisopliae var. acridum Driver and Milner

Autor:	Graeme L Baker, Richard J. Milner, Alan D Cliff
Rok vydání:	2002
Předmět:	Larva biology Orthoptera fungi Metarhizium anisopliae Zoology Parasitism Fungus biology.organism_classification Acrididae Insect Science Parasite hosting Agronomy and Crop Science Ecology Evolution Behavior and Systematics Nemestrinidae
Zdroj:	Australian Journal of Entomology. 41:82-87
ISSN:	1440-6055 1326-6756
Popis:	In two laboratory bioassays of the mycoinsecticide Metarhizium anisopliae var. acridum against field collected wingless grasshoppers, Phaulacridium vittatum, parasitism by the nemestrinid, Trichopsidea oestracea, did not increase the susceptibility of the grasshoppers to the mycoinsecticide. A statistical analysis showed that the parasitised grasshoppers were significantly less susceptible. The fungus also did not infect the parasitic nemestrinid larvae. These data suggest that treatment with the mycoinsecticide would have a benign effect on the parasitic stage of this important parasite, the treatment not changing the ratio of parasitised and unparasitised hosts in post-treatment populations.
Databáze:	OpenAIRE
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