180 Works

Distribution of microarthropods across altitude and aspect in the sub-Antarctic: climate change implications for an isolated oceanic island

Elizabeth A. Hugo-Coetzee & Peter C. Le Roux
Current climate change is altering the distribution of species across both broad and fine scales. Examining contemporary species distributions along altitudinal gradients is one approach to predicting species future distributions, as species occurrence patterns at cold, high altitudes are expected to resemble the species distribution patterns currently observed at warmer, lower altitudes if warming occurs. Strong changes in climate have been observed in the sub-Antarctic over the last 50 years, with a 1.5 °C increase...

An amazing sub-cambium flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae)

Edward A. Ueckermann, Ronald Ochoa, Gary R. Bauchan & Stefan Neser
An unusual sub-cambium flat mite, Phytoptipalpus occultuae sp. n., first found under the bark in blisters on stems of Senegalia caffra in Pretoria, South Africa is described and illustrated herein. This is a unique species in the genus Phytoptipalpus because of the presence of reduced legs IV, a possible link between those with 4 pairs and 3 pairs of legs. A key to all of the Phytoptipalpus species is given.

Effects of temperature on a Chinese population of Amblyseius andersoni (Acari: Phytoseiidae) fed with Tetranychus urticae

Yu-Jing Li, Qing-Yan Liu, Jing Chang, Yong-Hong Jia & Rui-Xia Meng
The development and fecundity of Amblyseius andersoni (Chant) fed with Tetranychus urticae Koch was studied at five different temperatures (17, 20, 25, 30 and 35 °C) and life parameters of the population were calculated. The development, reproduction, longevity, and life table parameters of A. andersoni were significantly affected by the different temperatures. The duration of the egg, larval, protonymph, deutonymph and total immature stages were reduced when the temperature increased. The total oviposition of A....

A new species of Cheyletus Latreille (Prostigmata: Cheyletidae) from Iran and a key to the Iranian species

Safoura Salarzehi, Jalil Hajizadeh & Edward A. Ueckermann
A new species, Cheyletus rashtiensis n. sp. (Acariformes: Prostigmata: Cheyletidae) is described on the basis of adult females from Rasht, Guilan Province, Northern Iran. The new species can be distinguished from other species by the following features: presence of hysterosomal shield with two pairs of dorsomedian setae d1 and e1, absence of setae d4, genua I without solenidion σ; setae d1 situated on anterior margin of hysterosomal shield; dorsomedian setae of hysterosomal shield flag-like; and...

Biodiversity of spider mites (Acari: Tetranychidae) in Serbia: a review, new records and key to all known species

Ivana Marić, Dejean Marčić, Radmila Petanović & Philippe Auger
Despite the economic importance of spider mites (Acari: Tetranychidae), data on their biodiversity are scarce in some regions of Europe, such as Balkan Peninsula and particularly in Serbia. In this country, according to the Spider Mites Web database, only 17 spider mite species belonging to seven genera have been reported. This study provides a review of the Serbian literature dealing with spider mites species recorded in Serbia and presents results of a four-year faunistic survey...

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...

First record of the genus Bak Yunker (Acariformes: Prostigmata: Cheyletidae) from Iran with description of a new species

Saeid Paktinat-Saeij, Mohammad Bagheri & Michael Skvarla
A new species, Bak iranica sp. nov. (Acariformes: Prostigmata: Cheyletidae) is described on the basis of adult males from Amol, Mazandaran province, northern Iran. The new species can be distinguished from other species by the following features: having one seta on each trochanter, tarsi I–IV with 9(+1ω)–7(+1ω)–7(+1ω)–7(+1ω); palpal claw with two basal teeth and most of dorsal body setae slightly lanceolate and barbed. Additionally, a key to world species (females and males) of the genus...

A new species-group with new species of the genus lasioseius (Acari: Mesostigmata: Blattisociidae) associated with neotropical hispine beetles in furled leaves of heliconia

Maria L. Moraza & Evert E. Lindquist
A new species-group of Lasioseius is described from adults and immatures of four newly described and one undescribed species associated with hispine beetles of the genera Cephaloleia and Chelobasis and other gamasine mites in the furled leaf habitat of Heliconia and related Zingiberales plants. The species-group presents a suite of apomorphic attributes placing it in the subgenus L. (Lasioseius). Adults and immatures were found moving freely on and off the beetles when the latter were...

Ghilarovus robisoni n. sp., first record of Zetomotrichidae (Acari, Oribatida) from North America

Valerie M. Behan-Pelletier & Wayne Knee
The oribatid mite family Zetomotrichidae is represented in warm regions of world, including Australia, South Africa, Mexico, South America and across the Palaearctic from southern Europe to Asia, but has been unreported from the USA and Canada. We describe a new zetomotrichid species, Ghilarovus robisoni n. sp., on the basis of adults, the first record of the genus and family from temperate North America. Specimens were collected from dry, usually rocky, vertical microhabitats in forests...

Some new records of spider mites (Acari, Tetranychidae) from Syria

Mahram Zeity
Five species of Tetranychidae are reported in this study, two species and three species from subfamilies, Bryobinae and Tetranychinae, respectively. Two species, Petrobia (Petrobia) latens (Muller) and Bryobia rubrioculus (Scheuten) from Bryobinae while, the other three species, Amphitetranychus viennensis (Zacher), Eotetranychus carpini (Oudemans) and Eotetranychus hirsti Pritchard and Baker represent Tetranychinae.

The occurrence of three tick-borne pathogens in Ixodes ricinus ticks collected from the area of the Kraków-Częstochowa Upland (Southern Poland)

Marek Asman, Krzysztof Solarz, Ewa Szilman, Piotr Szilman, Bartosz Sikora & Justyna Jakubas-Zawalska
The common tick Ixodes ricinus is the main vector of Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Babesia microti in Europe. The aim of this study was to estimate the potential risk of exposure to common tick-borne diseases in the recreational areas of the Kraków-Częstochowa Upland, Poland with particular emphasis on the city of Częstochowa. The DNA from 459 I. ricinus ticks was used to detect B. burgdorferi s. l., A. phagocytophilum and B. microti...

Feather mites (Acariformes: Analgoidea) associated with the hairy woodpecker Leuconotopicus villosus (Piciformes: Picidae) in Panama

Sergey V. Mironov & Sergio Bermudez
Two new feather mite species of the superfamily Analgoidea are described from the hairy woodpecker Leuconotopicus villosus (Linnaeus, 1766) (Piciformes: Picidae) in Panama: Pterotrogus panamensis sp. n. (Pteronyssidae) and Trouessartia hernandesi sp. n. (Trouessartiidae). Pterotrogus panamensis belongs to the simplex species group and most clearly differs from the other species of this group in having the pregenital sclerite paired in males, and the hysteronotal shields strongly narrowed posteriorly in females. Trouessartia hernandesi is close to...

Additional contributions to the knowledge of predatory mites of the subfamily Coleoscirinae (Acari: Prostigmata: Cunaxidae) from the Philippines

Leonila A. Corpuz-Raros, Jeremy C.B. Naredo & Rufino C. Garcia
Four new species of predatory mites belonging to the subfamily Coleoscirinae (family Cunaxidae) are described from the Philippines, namely, Neobonzia ermilovi n. sp., Neoscirula klompeni n. sp., N. lagunaensis n. sp. and N. lambatina n. sp. Keys based on females are provided for four species of Neobonzia, and 11 species of Neoscirula that are currently known from the Philippines. New locality and habitat data are given for four previously known species of the genera Coleoscirus...

A redescription of the chigger Hannemania achalai Alzuet and Mauri, 1987 (Acariformes: Prostigmata: Leeuwenhoekiidae) in frogs from Sierra Grande, Cordoba, Argentina

Ricardo Paredes-León, Fernanda G. Biolé, Julián A. Valetti & Adolfo L. Martino
We redescribe the endoparasitic chigger Hannemania achalai based on specimens collected from the type frog host (Pleurodema kriegi) and an additional host (P. cordobae) in the type locality of this mite (Pampa de Achala, Córdoba province, Argentina). Hannemania achalai is diagnosed by the following characters: palpal setal formula B/B/BBB/5B, palpal claw trifurcate, galeal seta B, parasubterminala I N, 2–4 genualae I, 1 genuala II–III, femorala III absent and coxa III with 1B. This redescription is...

Cytological evidence for automictic thelytoky in parthenogenetic oribatid mites (Acari, Oribatida): Synaptonemal complexes confirm meiosis in Archegozetes longisetosus

Paavo Bergmann, Michael Laumann, Roy A. Norton & Michael Heethoff
Diplo-diploid parthenogenesis (thelytoky) is a widespread phenomenon in the mite taxon Sarcoptiformes, and is unusually frequent in the suborder Oribatida, where it characterizes almost 10% of extant species, including whole genera and families. Based on molecular and cytological data, terminal fusion automixis with an inverted meiotic sequence based on holokinetic chromosomes has been suggested as the reproductive mode in these mites. However, unequivocal structural evidence for meiosis is missing. The model organism Archegozetes longisetosus, a...

A new species and new record of Gaeolaelaps Evans and Till (Acari: Mesostigmata: Laelapidae) from Iran

Talat Khalesi & Shahrooz Kazemi
Herein, a new species of the hypoaspidine mite genus Gaeolaelaps, G. mirzakhaniae n. sp., is described on the basis of adult female and male specimens collected in soil and litter of citrus orchards in Kerman Province, southeastern Iran. Also, supplementary information for G. queenslandicus (Womersley) is presented. Moreover, Gaeolaelaps schusteri (Hirschmann) is reported for the first time from Iran on the basis of specimens collected in Mangrove forests of Qeshm in the Persian Gulf.

Climatic and cultivar effects on phytoseiid species establishment and seasonal abundance on citrus

Sharon Warburg, Roni Gafni, Moshe Inbar, Shira Gal, Eric Palevsky & Asaf Sadeh
The structure of phytoseiid communities on citrus varies among orchards and seasons, with potential implications for biocontrol services. Such variation may be driven by meteorological conditions and cultivar-specific traits. We conducted an outdoor seedling experiment to determine the effects of different cultivars on the establishment of introduced predatory mites (Euseius stipulatus and E. scutalis) and colonization by naturally occurring phytoseiids (Amblyseius swirskii, Iphiseius degenerans, and Typhlodromus athiasae) across seasons. Euseius stipulatus persisted through the spring...

Description of a new species of Oodinychus (Acari: Uropodina: Trematuridae) from Egypt, with a key to the species

Reham I.A. Abo-Shnaf, Shahira M.O. El-Bishlawy & Sally F.M. Allam
This paper reports on a collection of mites from the red palm weevil, Rhynchophorus ferrugineus (Oliver) (Coleoptera: Curculionidae) and its habitat in Ismailia governorate in Egypt. A new species Oodinychus egypticus n. sp. is described from adult females and males. This study continues work on possible biological control agents for the red palm weevil.

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...

Two new species of the genus Ausoribula (Acari, Oribatida, Oribatulidae) from termitaries of South Africa

Sergey G. Ermilov, Elizabeth A. Hugo-Coetzee & Alexander A. Khaustov
Two new species of oribatid mites of the previously monotypic genus Ausoribula Lee, 1992 (Oribatulidae) are described from termite nests of South Africa. Ausoribula termitophila n. sp. has a pointed rostrum, elongately fusiform, bothridial setae, a weak anterior notogastral margin which only slightly protrudes into the prodorsum, notogastral setae c2 similar in length to other setae (except shorter c1) and three or four pairs of genital setae. In contrast, A. quagesetosa Lee, 1992 has a...

The marine-associated lifestyle of ameronothroid mites (Acari, Oribatida) and its evolutionary origin: a review

Tobias Pfingstl
Existing literature on marine associated Ameronothroidea is reviewed and recapitulated. Although these littoral oribatid mites strongly resemble typical terrestrial mites, they have evolved different adaptions of various kinds to the marine littoral environment. In order to cope with intertidal wave action, most species show reduced and compact sensilla as well as sickle-shaped and elongated claws. Complex cerotegument based plastron mechanisms have evolved to allow breathing under flooded conditions and enabling these organisms to survive an...

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.

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...

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,...

First record, current status, symptoms, infested cultivars and potential impact of the blueberry bud mite, Acalitus vaccinii (Keifer) (Prostigmata: Eriophyidae) in South Africa

Charnie Craemer
Acalitus vaccinii (Keifer, 1939) is reported for the first time in South Africa, on cultivated blueberries (Ericaceae: Vaccinium spp.). This is the first known occurrence outside its likely native range in North America where it is a pest on cultivated and wild blueberries. In South Africa it has first been identified in 2014 and now occurs between Amsterdam and Lothair, and near Lydenburg and Dullstroom in the Mpumalanga Province. The morphology of the South African...

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