Identifying natural enemies

Identifying natural enemies Return to: grapes web, native plants web

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Harvester - Opiliones
Identifying natural enemies > spiders > harvester
Adults: Not true spiders; in the order Opiliones. Distinguished from spiders by having one body region instead of two. Many have long, thin legs, but short-legged species also occur. Length 5-7 mm. Diet/web: Feed on living insects as well as dead animals and plant juices. Nocturnal; found resting on walls and fences by day. They do not produce webs. Despite the legend, they do not produce toxic venom; they are harmless to humans.
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This information was developed for the publication Identifying Natural Enemies in Field Crops by Mary Gardiner, Christina DiFonzo, Michael Brewer and Takuji Noma, MSU Extension bulletin E2949.

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12/21/06