150 Works

A predator-prey system: Phytoseiulus persimilis (Acari: Phytoseiidae) and Tetranychus urticae (Acari: Tetranychidae): worldwide occurrence datasets

Alain Migeon, Marie-Stéphane Tixier, Maria Navajas, Vassilis D. Litskas & Menelaos C. Stavrinides
The predator-prey system Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae) and Tetranychus urticae (Koch) (Acari: Tetranychidae) represents the most studied and the most known system among the Acari. Because of the agronomical importance of the two mite species, a wealth of modelling studies investigated the interactions of the two species at the individual level. However, regional or global level works on this system are lacking, which is impeding the investigation of climate change effects on biological control...

Revision of the genus Pseudobryobia McGregor, 1950 (Acari, Tetranychidae)

Tea Arabuli, Ivana Marić & Philippe Auger
The species of the tetranychid mite genus Pseudobryobia are revised mainly based on data published in the literature. Following a survey of the classification history of the genus, emphasizing the changes that occurred in the morphological characters used in its definition, we briefly discuss their relative importance for the genus delimitation. As a result, we provide amended diagnoses for the genera Pseudobryobia and Bryobia and transfer 7 species from Pseudobryobia to Bryobia. Species belonging to...

A new mite species of the genus Neottialges (Acariformes: Hypoderatidae) from the black stork Ciconia nigra (Ciconiiformes: Ciconiidae) in Portugal

Sergey V. Mironov & David W.R. Ramilo
Deutonymphs of hypoderatid mites (Astigmata: Hypoderatidae) are subcutaneous parasites of various groups of birds and some rodents. A new hypoderatid mite species, Neottialges (Caloenectes) ciconiae n. sp., is described from the black stork, Ciconia nigra (Ciconiiformes: Ciconiidae), in Portugal. The new species is most similar to but differs from N. (C.) distinctus Fain and Lawrence, 1986 in having smaller prodorsal and hysteronotal shields not encompassing bases of setae si, se, cp, c2, e2 and h1,...

The true identity of Pascal’s mite and the diachronic use of ciron

Henri M. André
The identity of Blaise Pascal’s mite is examined. Linguistics, morphology, habitat and size reveal that Pascal’s mite is not Acarus siro L., as usually thought, but Sarcoptes scabiei (L.). The diachronic use of the popular term ciron is explored from a number of different perspectives. In everyday language and in Pascal’s time, the term used to designate A. siro L. was mite (used singly, in English and French) and not ciron, a word restricted to...

A new species of Arrenurus (Acari, Parasitengona, Hydrachnidia) found in the crop of a Yellow-billed Teal Anas flavirostris in Bolivia

Antonio G. Valdecasas
New findings of organismal dispersal by other organisms can help explain the distribution of species to remote places. In this work, I describe a male and a female of a new water mite species of the genus Arrenurus that were found in the crop of an Anas flavirostris duck near Cochabamba, Bolivia. Both specimens were complete; however, it is unknown if they were alive and, thus, potentially viable at the time of collection. This study...

First record of Poecilochirus mrciaki Mašán, 1999 (Acari, Parasitidae) and its phoretic carriers in the Iberian peninsula

Marta I. Saloña Bordas & M. Alejandra Perotti
We report for the first time the presence of Poecilochirus mrciaki Mašán, 1999 in the South of Europe, in the Iberian peninsula and on new carrier insects. Mites were collected from carrion insects, during a decomposition experiment carried out in the natural park “Aiako Harria” (Errenteria, Gipuzkoa). Most deutonymphs were found on the body of the necrophagous beetle Necrodes littoralis (Coleoptera, Silphidae). Other species of insects in families Geotrupidae, Staphylinidae (Coleoptera) and Calliphoridae (Diptera) were...

Neottialges (Caloenectes) vulturis (Dubinin, 1956) (Acari: Hypoderatidae) from the Eurasian griffon vulture (Gyps fulvus) in Italy: first record in Europe, redescription and pathological changes in the host

Claudio De Liberato, Adele Magliano, Francesco Tancredi, Claudia Eleni, Mario Posillico & Sergey Mironov
Deutonymphs of the astigmatan mite Neottialges (Caloenectes) vulturis (Dubinin, 1956) comb. n. (Astigmata: Hypoderatidae) were found during the anatomo-histopathological study of a Eurasian griffon vulture, Gyps fulvus, found dead in Central Italy. After skinning, numerous cystic formations were visible in the subcutaneous tissue of the vulture, each containing a parasitic mite. Microscopically, subcutaneous tissue showed large areas of severe granulomatous inflammation. To our knowledge, this is the first record of this poorly known hypoderatid mite...

Effects of Aculus schlechtendali (Acari: Eriophyidae) population densities on Golden Delicious apple production

Sauro Simoni, Gino Angeli, Mario Baldessari & Carlo Duso
Field trials were carried out in order to evaluate the seasonal abundance and the impact on yields of the Apple Rust Mite (ARM) Aculus schlechtendali (Acari: Eriophyidae) in an experimental fruit orchard located in northern Italy (Trentino region). The effect of ARM on yield and market quality parameters were assessed on Golden Delicious apple fruits. Fruit size, fruit weight, round colour hue, presence of russet as well as inside quality, i.e. soluble solids, acidity and...

Psittophagus hollandicus n. sp., a new feather mite species (Acariformes: Pterolichidae) from the cockatiel Nymphicus hollandicus (Kerr, 1792) (Psittaciformes: Cacatuidae) in Brazil

Fabio Akashi Hernandes
A new feather mite species, Psittophagus hollandicus n. sp. (Acariformes: Pterolichidae), is described from the cockatiel Nymphicus hollandicus (Kerr, 1792) (Psittaciformes: Cacatuidae) kept in captivity in Brazil.

Paraquanothrus n. gen. from freshwater rock pools in the USA, with new diagnoses of Aquanothrus, Aquanothrinae, and Ameronothridae (Acari, Oribatida)

Roy A. Norton & Elizabeth Franklin
Many taxa of mites inhabit long-lived freshwater environments, but the few known to live in small, ephemeral rock pools (lithotelmata) are brachypyline Oribatida. One of these is in the South African genus Aquanothrus (Ameronothridae). We describe adults and juveniles of two new rock-pool species from the USA and propose the sister-genus Paraquanothrus n. gen. to include them. The type-species, Paraquanothrus grahami n. sp., inhabits shallow weathering-depressions (‘pans’) on barren sandstone in the Colorado Plateau, especially...

Great molecular variation within the species Phytoseius finitimus (Acari: Phytoseiidae): implications for diagnosis decision within the mite family Phytoseiidae

Marie-Stéphane Tixier, Victor Dos Santos Vicente, Martial Douin, Carlo Duso & Serge Kreiter
Molecular markers are increasingly used for species identification and new taxa description. However, rules to determine frontiers between populations and species are not clear depending on taxa considered. For mites, few studies deal with molecular diagnoses, making rules for associated decision difficult. The present study focuses on a species of the predatory mite family Phytoseiidae (Phytoseius finitimus), considered for biological control of mites and small insect pests in fruit orchards and vineyards in the Mediterranean...

First records of Phytoseiidae (Acari: Mesostigmata) from one island of the Comoros archipelago

Serge Kreiter, Rose-My Payet, Jacques Fillâtre & Hamza Abdou Azali
The Comoros Archipelago is constituted of four islands. These islands are located in the North Mozambique Channel in the Indian Ocean, one of the world’s hotspots of biodiversity. Despite this status of hotspot, only one species of Phytoseiidae was known from this Archipelago, from Mayotte: Phytoseius mayottae. No species were recorded from the three other islands. We report in this paper the results of a preliminary survey in Great Comoro or “Grande Comore” Island also...

A new species of zerconid mite Zercon shevtchenkoi n. sp. (Acari: Mesostigmata: Zerconidae) from Ukraine

Katarzyna Faleńczyk-Koziróg, Vasyl L. Shevchyk, Volodymir Pylypenko & Sławomir Kaczmarek
A new species of the genus Zercon (Acari: Mesostigmata: Zerconidae) Zercon shevtchenkoi n. sp. from the island Kryhlyk, Ukraine is described and illustrated. Descriptions and illustrations of the new species based on adults of both sexes, protonymphs and larva are provided.

Survey of European mites from the suborder Uropodina: II. Morphology, geographical distribution, biology, and ecology of Trematurella elegans (Kramer, 1882)

Jerzy Błoszyk, Zbigniew Adamski & Agnieszka Napierała
The major aim of this article was to supplement the existing descriptions of the morphology, biology, ecology, and geographical distribution of Trematurella elegans (Kramer, 1882) (Acari: Mesostigmata) with a bit of new information about the species. The data available in the literature on this species is scant. The available taxonomic descriptions are based on schematic and very rough drawings. The authors of this article conducted a research study that will shed more light on this...

New spider mites (Acari: Tetranychidae) of the genera Paraplonobia and Eurytetranychus from Iran, and a description of all life stages of Eutetranychus orientalis (Klein)

Masoumeh Khanjani, Mohammad Khanjani & Owen D. Seeman
Two new species of Paraplonobia Wainstein and Eurytetranychus Oudemans are described from Iran: Paraplonobia (Paraplonobia) flechtmanni n. sp. from Russian knapweed Rhaponticum repens (Asteraceae) and Eurytetranychus aminii n. sp. from gum bushes Astragalus gossypinus (Fabaceae). We describe all life stages of Eutetranychus orientalis (Klein) and discuss variation within this polyphagous pest species. A key to all known species of the genus Paraplonobia (Paraplonobia) is given.

New data to the knowledge of Gaeolaelaps mites (Acari: Mesostigmata: Laelapidae)

Alireza Nemati, Dariusz J. Gwiazdowicz & Arsalan Khalili-Moghadam
The present paper is devoted to the study of some morphological changes in the laelapid genus Gaeolaelaps, based on observations on G. queenslandicus (Womersley, 1956), G. angustus (Karg, 1965) and G. tripodiger (Berlese, 1916) new comb. According to our observations on the type material of G. angustus, previous redescription of G. queenslandicus (sensu Costa 1966, based on holotype), specimens of this species from Australia and numerous specimens from Iran identified as either G. angustus or...

Contribution to the knowledge of the oribatid mite genus Hardybodes (Acari, Oribatida, Carabodidae) with description of a new species from the Philippines

Sergey G. Ermilov & Leonila Corpuz-Raros
A new species of the genus Hardybodes (Oribatida, Carabodidae) is described from the nest of an unknown species of ants (Formicidae) in soil in Luzon Island, Philippines. Hardybodes minutus n. sp. differs from all species of the genus by the localization of notogastral setae (lm and h2 inserted in the same longitudinal rowdorsocentrally together with da, dm, dp, lp and h1 versus lm and h2 in dorsolateral positions and da, dm, dp, lp and h1...

A new species of the genus Eutrombicula Ewing, 1938 (Trombidiformes: Trombiculidae) and new records for the species Eutrombicula batatas (Linnaeus, 1758) in Brazil

Ricardo Bassini-Silva, Fernando de Castro Jacinavicius, Sebastián Muñoz-Leal, Ralph Maturano, W. Calvin Welbourn, Ronald Ochoa, Gary R. Bauchan & Darci M. Barros-Battesti
The genus Eutrombicula consists of more than 80 known species worldwide. Species of this genus parasitize amphibians, reptiles, birds and mammals. In the present study, we describe Eutrombicula daemoni n. sp. collected on the social flycatcher, Myiozetetes similis (Passeriformes) from southeast region of Brazil and partial sequence of the 18S gene was obtained for this mite species. In addition, we provide new locality records and hosts for Eutrombicula batatas (L.) in Brazil.

Morphological observations of fluorescence in different tick species (Family: Ixodidae)

Dakota A. Shade
Ticks are important ectoparasites due to their ability to transmit harmful pathogens and their study is thus significant for medical and veterinary practices around the world. Fluorescence has been found in numerous biological organisms, including ticks. However, the overall function, evolutionary significance, and distribution of fluorescence in ticks are unknown. This study examined tick fluorescence in purchased, unfed adult Amblyomma americanum (Linnaeus), A. maculatum Koch, Dermacentor variabilis (Say), D. andersoni (Stiles), Ixodes scapularis Say, and...

Description of a new species of the genus Leptus (Acari: Erythraeidae) from Iran and new data for two Abrolophus species

Alireza Saboori, Matthias Hartmannh, Masoud Hakimitabar, Narjes Khademi & Ahmad-Reza Katouzian
Leptus (Leptus) tridentatus Saboori, Hakimitabar and Khademi n. sp. (Acari: Erythraeidae) is described and illustrated from larvae (off host) from Damavand mountain, Tehran Province, Iran. Some meristic data of Abrolophus khanjanii (Haitlinger and Saboori, 1996) and A. stanislavae (Haitlinger, 1986) are amended or given.

A new species of Olopachys Berlese (Acari: Pachylaelapidae) from Iran with a key to the world species

Samaneh Mojahed, Jalil Hajizadeh, Reza Hosseini & Ali Ahadiyat
A new species, Olopachys iraniensis n. sp. (Mesostigmata: Pachylaelapidae) is described based on adult females collected from soil in Guilan Province, northern Iran. Two identification keys are provided, one for all known species of Olopachys, and the other for species recorded from Iran. A brief review on pachylaelapid mites of Iran is also provided.

Diversity and abundance of Phytoseiidae (Acari: Mesostigmata) on horse chestnut (Aesculus hippocastanum L.) in an urban environment: a comparison between Greece and the Czech Republic

Michal Kopačka, Theodoros I. Stathakis, Georgios Broufas, Georgios Th. Papadoulis & Rostislav Zemek
Horse chestnut, Aesculus hippocastanum L. (Sapindaceae), is a large deciduous tree native to a small area in the Pindus Mountain mixed forests and the Balkan mixed forests of Southeast Europe. It was introduced to most countries in Europe mainly for ornamental purposes. The aim of the present study was to assess the occurrence, species composition and population densities of phytoseiid mites on A. hippocastanum in countries where this tree species is autochthonous and to compare...

Soil mesostigmatid mites as a potential tool for bioindication concerning ecological status of forest

Adina Călugăr
Free-living predatory mesostigmatid soil mites from five different forests from the Danube Delta Biosphere Reserve (DDBR) were analyzed in order to get information for defining the conservation status of the investigated sites. On the whole, in the five studied sites 32 species of Mesostigmata belonging to 22 genera and 11 families were recorded. The analyzed material includes new species of Romanian fauna as well as rare and less cited species from Romania. A quarter of...

An expanded description of the threatened tree kangaroo tick Ixodes (Sternalixodes) dendrolagi Wilson, 1967 (Acari: Ixodidae) from Papua New Guinea

Mackenzie L. Kwak
Little is known about the enigmatic tree kangaroo tick (Ixodes dendrolagi Wilson, 1967). Since its description, no new taxonomic data describing it have been published. An updated description of the morphologically variable female I. dendrolagi is presented based on two specimens taken from the type host at the type locality. Scanning electron micrographs are presented with comments on morphological variation in I. dendrolagi. The conservation of the species is also discussed.

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