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Detection of resistance in US Varroa jacobsoni Oud. (Mesostigmata: Varroidae) to the acaricide fluvalinate [PDF]
Apidologie, 1999 Populations of Varroa jacobsoni Oud. from three geographic regions of the United States were assayed for resistance to fluvalinate. A bioassay using a discriminating concentration estimated to cause approximately 80-90 % mortality in a fluvalinate-susceptible strain of V. jacobsoni was used to compare percent mortalities between locations.
Gary W Elzen, William T Wilson
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Anatomical organization of the tracheal system ofVarroa jacobsoni (Acari: Varroidae)
Experimental & Applied Acarology, 1990The respiratory apparatus of the femaleVarroa jacobsoni parasite of bees appears typically tracheal, as those of the Insecta and other Arachnida. The description is realized by means of S.E.M. (peritreme, stigma, tracheal trunk) and by means of optical microscopy after injection of cobalt naphthenat through the stigma.
D. Richard, M. E. Colin, M. Lhomme
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Laboratory evaluation of some plant essences to control Varroa destructor (Acari: Varroidae)
Experimental & Applied Acarology, 2002This research was conducted to evaluate acaricidal effects of some plant essences on Varroa mites and the possibility of their usage for Varroa control. First, live Varroa mites were obtained from adult honeybees with CO2 in a newly designed apparatus. Thyme, savory, rosemary, marjoram, dillsun and lavender essences at concentrations of 2 and 1 g/100 g
Ardeshir, Ariana +2 more
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Bioactivity of propolis from different geographical origins on Varroa destructor (Acari: Varroidae)
Parasitology Research, 2010Varroa destructor is an ectoparasitic mite that affects colonies of honey bee Apis mellifera worldwide. In the last years, substances of botanical origin have emerged as natural alternative acaricides to diminish the population levels of the mite. In the present work, the bioactivity of propolis from different geographical locations of Pampean region ...
Damiani, Natalia +5 more
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Journal of Economic Entomology, 2022
Abstract Resistance to traditional synthetic compounds by Varroa destructor Anderson and Trueman and shortcomings of the organic acid class of acaracides commonly used in varroa management requires continual development of new controls. V. destructor, however, are difficult to obtain for use in control bioassays because they are obligate
Julia J Vieira +6 more
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Abstract Resistance to traditional synthetic compounds by Varroa destructor Anderson and Trueman and shortcomings of the organic acid class of acaracides commonly used in varroa management requires continual development of new controls. V. destructor, however, are difficult to obtain for use in control bioassays because they are obligate
Julia J Vieira +6 more
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Morphological identification of the Varroa species (Acari: Varroidae) colonizing Tunisian apiaries
Systematic and Applied Acarology, 2003The mite that attacks Tunisian honeybees (Apis mellifera intermissa L.), previously known as Varroa jacobsoni Oudemans 1904 (Acari: Varroidae), is identified as Varroa destructor Anderson & Trueman 2000, by a morphological study of many females collected throughout the country.
Haifa Boudagga +3 more
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2023
A detailed description of the oocytes ripe??ning processes, blastulation, gastrulation and organogenesis is presented. Organogenetic process is divided in four essential stages: early tissues differentiation, prelarval morpho??genesis, larval morphogenesis, protonymphal morphogenesis.
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A detailed description of the oocytes ripe??ning processes, blastulation, gastrulation and organogenesis is presented. Organogenetic process is divided in four essential stages: early tissues differentiation, prelarval morpho??genesis, larval morphogenesis, protonymphal morphogenesis.
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?????????????????????????? ?????????????? ?????????? Varroa jacobsoni (Parasitiformes, Varroidae)
2023Respiratory System of the Mite Varroa jacobsoni (Parasitiformes, Varroidea). Akimov I. A, Yastrebtsov A. V.??? Vestn. zool., 1984, No. 3. Respiratory system in Varroa jacobsoni consists of 4 pairs of anterior and 4 pairs of superior tracheal stems, a pair of stigmal orifices, situated laterally between III and IV pairs of coxae, and a pair of ...
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Experimental and Applied Acarology, 1996
The mite Varroa jacobsoni was reared in artificial gelatin cells under laboratory conditions and the possible presence of factors inhibiting Varroa reproduction was studied. In cells infested with three mites, the mean offspring per female was reduced to 75% of that in singly infested cells.
NAZZI, Francesco, MILANI, Norberto
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The mite Varroa jacobsoni was reared in artificial gelatin cells under laboratory conditions and the possible presence of factors inhibiting Varroa reproduction was studied. In cells infested with three mites, the mean offspring per female was reduced to 75% of that in singly infested cells.
NAZZI, Francesco, MILANI, Norberto
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2023
A detailed description is given to internal and external chelicerae muscles, pedipalp muscles, a complex of pharynx muscles, tritosternum muscle. Chelicera protractor muscles are not found. It is shown that specialization of the mite to feed on bee haemolymph induces no essential rearrangements in the muscular system of the gnathosoma.
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A detailed description is given to internal and external chelicerae muscles, pedipalp muscles, a complex of pharynx muscles, tritosternum muscle. Chelicera protractor muscles are not found. It is shown that specialization of the mite to feed on bee haemolymph induces no essential rearrangements in the muscular system of the gnathosoma.
openaire +1 more source