| Holothyrus |
a genus of mites. H. coccinel´la, a species found in Mauritius, secretes toxic substances that may cause the death of ducks, geese, and chickens after ingestion; in humans it may produce a painful swelling of the tongue and throat.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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