Parasitism of Amblyomma variegatum by a Hymenopteran Parasitoid in the Laboratory, and Some Aspects of Its Basic Biology

Mwangi, Esther N.; Kaaya, Godwin P.; Essuman, Suliman; Kimondo, Mark

doi:10.1006/bcon.1994.1017

Cited by 20 publications

(14 citation statements)

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“…As wasps prefer tick nymphs to tick larvae for parasitization (see below), the overall parasitization rate of I. ricinus nymphs with I. hookeri is probably much higher than our current data suggest. This idea is supported by parasitization rates reported for unfed ticks and ticks collected on cattle in Western France (Doby and van Laere 1993) and Kenya (Mwangi et al. 1994).…”

Section: Discussionmentioning

confidence: 69%

A hidden beneficial: biology of the tick-wasp Ixodiphagus hookeri in Germany

Collatz

Selzer

Fuhrmann

et al. 2011

Journal of Applied Entomology

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The parasitic wasp Ixodiphagus hookeri parasitizes hard ticks and is therefore considered as a potential candidate for biological control of ticks. However, there are still considerable gaps of knowledge about the biology of I. hookeri, especially for European populations. Thus, the present study was performed to assess important life‐history parameters of the parasitoid in Germany. Field studies accomplished in three successive years revealed that unfed Ixodes ricinus nymphs are infested by the parasitoid at a low but constant rate of 1.9–3.8% and that adult wasps are present only during a short period in late summer. The mean developmental time of wasps in I. ricinus nymphs ranged from 28 to 70 days under constant laboratory conditions and was prolonged in the second half of the year. Bioassays on parasitization and host preference behaviour showed that unfed nymphs of the host species I. ricinus are significantly preferred in experiments, in which unfed and engorged larvae as well as fully engorged nymphs were offered as alternatives. The marsh tick Dermacentor reticulatus was not accepted as an alternative host. Our data show that the investigated I. hookeri populations differ markedly from populations in other regions of the world in many aspects. The adaptation of different strains to local conditions explains the limited success of imported strains in earlier biological control attempts and highlights the importance of doing research to enhance the control potential of native strains.

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Section: Discussionmentioning

confidence: 69%

A hidden beneficial: biology of the tick-wasp Ixodiphagus hookeri in Germany

Collatz

Selzer

Fuhrmann

et al. 2011

Journal of Applied Entomology

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“…Their host selection process would be expected to be comparable to that of parasitoids of phytophagous insects. Just as parasitoids of phytophagous insects Þrst Þnd host-plants and then search for hosts, tick parasitoids Þrst Þnd tick-infested animals, and then search for host ticks (Mwangi et al 1994, Demas et al 2000. Like parasitoids of phytophagous insects that use odors from plants damaged by hosts, tick parasitoids might use products derived from animal-tick interactions as searching cues for effective host-habitat Þnding or host Þnding.…”

mentioning

confidence: 99%

Host Recognition by the Tick ParasitoidIxodiphagus hookeri(Hymenoptera: Encyrtidae)

Takasu¹,

Takano

Sasaki

et al. 2003

Environ Entomol

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“…Mwangi et al (1991) reported a strain of Ixodiphagus hookeri (-Hunterelus hookeri) parasitising nymphs of A. variegatum in the Trans Mara, Kuja river and Busia areas of western Kenya. The biology and development of the parasitoid in the tick, its rearing methods in the laboratory and host range have been reported (Mwangi et al, 1993;1994b). The biology and development of the parasitoid in the tick, its rearing methods in the laboratory and host range have been reported (Mwangi et al, 1993;1994b).…”

Section: Parasitoidsmentioning

confidence: 99%

Prospects for Innovative Tick Control Methods in Africa

Kaaya

2003

Int. J. Trop. Insect Sci.

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Ticks, and the diseases they transmit, are of great economic and medical importance worldwide, and especially in Africa, where they are considered to be the greatest animal disease problem. The four major genera of ticks are Amblyomma, Rhipicephalus, Hyalomma and Boophilus. Ticks harm their animal hosts by sucking their blood thus reducing growth rate and milk yield, cause mechanical damage to hides and skins causing tick worry, introduce toxins and predispose the animals to myasis. Theileriosis, cowdriosis and dermatophilosis are the major tick-borne and tick-associated diseases of grazing cattle in Africa. The conventional method of tick control is the application of chemical acaricides, but it is associated with a number of problems including environmental pollution, chemical residues in meat and milk products as well as in wool, development of tick resistance and high cost. Some of the alternatives to chemical control of ticks that are available in Africa are discussed in this paper.Resume-Les tiques et les maladies qu'elles transmettent sont d'une grande importance economique et medicale dans le monde, et plus particulierement en Afrique, ou elles sont considerees comme le principal probleme sanitaire du bitail. Les quatre principaux genres de tiques sont Amblyomma, Rhipicephalus, Hyalomma et Boophilus. Les tiques nuisent a la sante de leur hote en sugant leur sang, ce qui se traduit par une reduction du taux de croissance et de la production laitiere. Ils sont responsables d'alterations du cuir et de l'epiderme provoquant des lesions, injectent des toxines et predisposent les animaux aux myases. La theileriose, la cowdriose et la dermatophilose sont les principales maladies des animaux de pSturage transmises par les tiques en Afrique. La methode traditionnelle de controle des tiques est l'application d'acaricides chimiques mais elle s'accompagne de nombreux effets secoridaires, parmi lesquels une pollution de l'environnement, la presence de residus chimiques dans la viande et le lait ainsi que dans la laine, le developpement de resistance chez les tiques et un cout eleve. Quelques unes des alternatives au controle chimique des tiques disponibles en Afrique sont presentees dans cette publication.

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Parasitism of Amblyomma variegatum by a Hymenopteran Parasitoid in the Laboratory, and Some Aspects of Its Basic Biology

Cited by 20 publications

References 0 publications

A hidden beneficial: biology of the tick-wasp Ixodiphagus hookeri in Germany

A hidden beneficial: biology of the tick-wasp Ixodiphagus hookeri in Germany

Host Recognition by the Tick ParasitoidIxodiphagus hookeri(Hymenoptera: Encyrtidae)

Prospects for Innovative Tick Control Methods in Africa

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