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Mites in host, Honey bee tracheal mite (Acarapis woodi); A. woodi mites, internal parasites of Apis mellifera (common honey bee), visible in bee. Acarapis woodi: beekeeping: Diseases: is caused by the mite Acarapis woodi that gets into the tracheae of the bee through its breathing holes or spiracles in. Acarapis woodi kills by clogging the breathing tubes of the bees and the normally elastic trachea becomes brittle and stiff, and flight muscles atrophy. The effects.

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International Journal of Acarology, 32 4: Isle of Wight disease in hive bees — Acarine disease: Taxonomic Tree Top of page Domain: The mouth-parts are beak-like and elongated.

Tracheal mites are believed to have evolved with honey bees Apis mellifera and because of this, some strains of bees appear to be highly resistant to the mite.

Posterior median apodeme indistinct, sometimes forming weak Y-shaped structure.

Biology Tracheal mites puncture the walls of the breathing tubes and feed on the hemolymph blood of worker, drone and queen bees. Acarapis woodi Acarapi Arachnida: Males and nymphs are difficult to separate from other known species.


Length to microns, width 60 to 77 microns. Organic afarapis treatments that contain thymol gel or formic acid are also widely used to control Tracheal mite and have been shown to be highly effective in overseas countries.

Honey production and pollen collecting are also reduced. Occasionally adult mites are found on the external surface of the bee. Observations and experiments bearing on the “Island of Wight” disease. Tracheal tubes of the European honey bees, Africanized honey bees and Asian honey bees. World Animal Health Information Database. No setae between trochanters IV 4b absent Figs.

Acarapis woodi in bee trachea under light microscope. For a more complete description see Delfinado-Baker and Baker Pathogen Characteristics Top of page The mites are invisible to the naked eye; the females are microns long and microns wide, in comparison to the males, which are microns long and microns wide.

Morse estimated a five percent reduction in the population of a colony of infested bees. Idiosoma ovoid or nearly pyriform; dorsal shield and plates faintly sclerotized, with indistinct punctures.

honey bee tracheal mite – Acarapis woodi

The Isle of Wight Disease: They suggest that evidence supporting this hypothesis includes: It is not present in New Zealand. Resistance to infestation by tracheal mites in Buckfast honey bees: Indoor winter fumigation with formic acid for control of Acarapis woodi Acari: Although it was first described by Rennie inthe mite was not found in the United States until International Bee Research Association, Length to microns, width 75 to 84 microns.


A diagnostic genetic test for the honey bee tracheal mite, Acarapis woodi. Propodosoma lacking pseudostigmatic sensilla; two pairs of long, attenuate setae, verticals V1 and scapulars Sce.

The prevalence of Acarapis woodi in Spanish honey bee (Apis mellifera) colonies.

Leg I more robust than others. A heavy mite load causes diminished brood area, smaller bee populations, looser winter clusters, increased honey consumption, lower honey yields, and, ultimately, colony demise. Retrieved from ” https: Propodosoma zcarapis pseudostigmatic sensilla; two pairs of long, attenuate setae, verticals V1 and scapulars Sce.

This should be undertaken by an approved laboratory or your local department of agriculture. This genus is wodi with honey bees Apis mellifera, Apis cerana, and Apis dorsata. Colonies that develop severe infestations usually do so in late summer and die in late winter.