Results 131 to 140 of about 771 (169)
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Protozoan Hyperparasitism of Heterakis gallinæ
Nature, 1950SINCE Graybill and Smith's discovery1 of the transmission of Histomonas meleagridis, the pathogenic protozoon of enterohepatitis (blackhead) of fowl, by the embryonated egg of the nematode Heterakis gallinae, a good deal of attention has been given to the hyperparasitism of this nematode.
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Hyperparasitism in Amblyomma rotundatum (Acari: Ixodidae)
Journal of Parasitology, 2007In the present study, we report a case of hyperparasitism in Amblyomma rotundatum. During examination of live ticks immediately after collecting them from Boa constrictor snakes held in a reptile facility in Mossoró, RN, northeastern Brazil, 1 unengorged tick female was seen attached to the venter of a partially engorged female.
M B, Labruna +3 more
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Hyperparasitism, a Mutualistic Phenomenon
The Canadian Entomologist, 1963AbstractHyperparasitism is a mortality factor that generally is beneficial to the continuous reproduction of the species involved.The parasites of a primary parasite of a phytophagous insect may exhibit two distinctive types of secondary relations to that insect. These types are defined as follows:Direct secondary parasitism: that type of host-parasite
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Three Hyperparasites of Ascomycetes
Mycologia, 1973Two hyperparasites, Didymosphaeria atroseptata, a new species on Pestalopezia rhododendri Seaver, and Cornutispora limaciformis, a new genus and species on Therrya fuckelii (Rehm) Kujala, are described. New evidence regarding the identity of Scolecoccoidea F. L. Stevens is presented. The type, S.
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Biology of the Parasites and Hyperparasites of Aphids*
Annals of the Entomological Society of America, 1926A biological study of the parasites of aphids was begun early in the summer of 1920, after many observations during an outbreak of Aphis gossypii Glov. on cotton in North Carolina had demonstrated the economic importance of the parasites and predators in natural control of the pest, and had aroused great interest by their efficiency.
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A RHIZOPHYDIUM AND ITS HYPERPARASITE ON POLYSIPHONIA
American Journal of Botany, 1966Rhizophydium distinction Petersen and its hyperparasite are reported from Polysiphonia nigrescens in North Carolina. The planonts of R.
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Hypersymbionts and Hyperparasites of Parasitic Crustacea
2019Microsporidians, peritrich ciliates, udonellids, tantulocarids and parasitic isopods have been found associated with parasitic crustaceans, i.e. Branchiura, parasitic Copepoda and Isopoda, as well as Rhizocephala (parasitic Cirripedia). Information on the Microsporida found in parasitic Copepoda are scarce, whilst infestation in gregarines ...
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