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Molecular, biological, and morphometric comparisons between different geographical populations of Rhipicephalus sanguineus sensu lato (Acari: Ixodidae).
In this study, different geographical populations of Rhipicephalus sanguineus sensu lato were compared by molecular, biological, and morphometric methods. Phylogenetic trees were constructed usingExpand
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Azadirachta indica A. Juss (neem) induced morphological changes on oocytes of Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) tick females.
Many studies have been conducted with plants whose extracts have the potential to be used for pest control. One of these plants is Azadirachta indica (neem), whose main active ingredient isExpand
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Effects of fipronil (active ingredient of Frontline) on salivary gland cells of Rhipicephalus sanguineus females (Latreille, 1806) (Acari: Ixodidae).
The present study analyzed the effects of the chemical compound fipronil, active ingredient of Frontline (acaricide and insecticide), on the salivary glands of unfed and semi-engorged femaleExpand
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Contributions to the knowledge of hard ticks (Acari: Ixodidae) in Colombia.
The known tick fauna of Colombia includes 58 species (15 Argasidae and 43 Ixodidae). To add to the knowledge of the biology of ticks in Colombia, hard ticks (Ixodidae) were collected from domesticExpand
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Morphological description of Amblyomma brasiliense Aragão, 1908 (Acari: Ixodidae) larvae and nymphs.
The immature stages of Neotropical ticks are poorly known and in many cases have not been described. Tis work presents a morphological description of Amblyomma brasiliense larvae (F1) and aExpand
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Cytodifferentiation during the spermatogenesis of the hermaphrodite caridea Exhippolysmata oplophoroides.
Among the decapods, the caridean Exhippolysmata oplophoroides has been described as a simultaneous protandric hermaphrodite, seeing that it presents a male initial stage followed by a hermaphroditeExpand
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Andesiops peruvianus (Ephemeroptera: Baetidae): a species complex based on molecular markers and morphology
Andesiops peruvianus is widely distributed in the Andean region and has been preliminarily used as a bioindicator of good water quality. Given the morphological variations that are reported for theExpand
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Evaluation of cytotoxic effects of fipronil on ovaries of semi-engorged Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) tick female.
The ovary of the Rhipicephalus sanguineus dog tick female is structurally formed by oocytes in five different stages of development (from I to V) and attached to the gonad by the pedicel. The presentExpand
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Permethrin-induced morphological changes in oocytes of Rhipicephalus sanguineus (Acari: Ixodidae) semi-engorged females.
The permethrin, active ingredient of the Advantage(R) Max3--Bayer, has been widely used in the chemical control of ticks. These ectoparasites are one of the most important animal groups that causeExpand
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Effect of recombinant glutathione S-transferase as vaccine antigen against Rhipicephalus appendiculatus and Rhipicephalus sanguineus infestation.
The ticks Rhipicephalus appendiculatus and Rhipicephalus sanguineus are the main vectors of Theileria parva and Babesia spp. in cattle and dogs, respectively. Due to their impact in veterinary careExpand
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