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Parasitism and survival among rangeland grasshoppers in response to suppression of robber fly (Diptera: Asilidae) predators

Environmental Entomology, 141: 20-23

Parasitism and survival among rangeland grasshoppers in response to suppression of robber fly (Diptera: Asilidae) predators

Asilids were manually removed from 0.28- or 0.55-ha circular field plots in Montana 4 or 5 times a week for 6 weeks in order to reduce predation upon dipterous parasites of grasshoppers including Melanoplus sanguinipes and Ageneotettix deorum. Three species that prey upon Diptera, Efferia bicaudata, E. staminea and Mallophorina guildiana, constituted 94% of the asilid population.

Accession: 001424612

DOI: 10.1093/ee/14.1.20

Related references

O.Neill, K.M., 1995: Digger wasps (Hymenoptera: Sphecidae) and robber flies (Diptera: Asilidae) as predators of grasshoppers (Orthoptera: Acrididae) on Montana rangeland. A total of 56 records of 3 species of sphecids and 5 species of asilids preying on acridids is reported from a study carried out in rangeland in Montana during summer 1987-93.

O'neill, Kevin M., 1995: Digger wasps and robber flies as predators of grasshoppers on Montana rangeland. Pan-Pacific Entomologist 71(4): 248-250

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