A New Data on Biology and Taxonomy of<i>Neotrombicula inopinata</i>(Oudemans, 1909) and<i>Leptotrombidium russicum</i>(Oudemans, 1902) (Acari: Actinotrichida: Trombiculidae)

Mąkol, Joanna; Cichocki, Jan; Felska, Magdalena; Kłosińska, Aleksandra; Łaydanowicz, Joanna; Łupicki, Dariusz; Gabryś, Grzegorz

doi:10.3161/000345410x535406

Cited by 8 publications

(6 citation statements)

References 6 publications

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“…In addition, adults and deutonymphs of the majority of trombiculid species have never been observed on the soil surface (in fact, their habitats are mostly unknown). Therefore, the taxonomy of trombiculid mites is based solely on their larvae [34]. It is estimated that only the postlarval stage of less than 10% of the total of Trombiculidae species are known [7].…”

Section: Life Cyclementioning

confidence: 99%

The Role of Chiggers as Human Pathogens

Santibáñez¹,

Palomar²,

Portillo³

et al. 2015

An Overview of Tropical Diseases

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Trombiculid mites (Acari: Trombiculidae) are distributed worldwide ectoparasites of a wide range of vertebrates. More than 50 species are known to bite humans, and about 20 have medical importance. The larval stages (chiggers) of the genus Leptotrombidium are vectors of Orientia tsutsugamushi, causative agent of scrub typhus. This life-threatening disease is widely endemic in Asian Pacific regions where more than one billion people are at risk of acquiring the infection and around one million new cases are estimated to occur annually. In addition, although underreported and often misdiagnosed, trombiculiasis, defined as a dermatitis caused by the salivary secretion of biting chiggers, is present in America and Europe.

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Section: Life Cyclementioning

confidence: 99%

The Role of Chiggers as Human Pathogens

Santibáñez¹,

Palomar²,

Portillo³

et al. 2015

An Overview of Tropical Diseases

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“…This species was described from Germany (Bremen) and later recorded also from England, France, Austria, Yugoslavia, Bulgaria, Ukraine, Russia (Northern Caucasus) [15], Romania [32], Hungary [33], Slovakia [34], Czech Republic [35], and Poland [36]. Here, we describe for the first time N. inopinata from Spain.…”

Section: Resultsmentioning

confidence: 79%

“…All 87 examined specimens from La Rioja, including 84 collected from vegetation (54 in La Pineda, 15 in Valdecalvo, and 15 in Ocón) and 3 from the bird, were identified as N. inopinata (Oudemans, 1909) (Figures 5 , 6 and 7 ). This species was described from Germany (Bremen) and later recorded also from England, France, Austria, Yugoslavia, Bulgaria, Ukraine, Russia (Northern Caucasus) [ 15 ], Romania [ 32 ], Hungary [ 33 ], Slovakia [ 34 ], Czech Republic [ 35 ], and Poland [ 36 ]. Here, we describe for the first time N. inopinata from Spain.…”

Section: Resultsmentioning

confidence: 99%

Neotrombicula inopinata (Acari: Trombiculidae) – a possible causative agent of trombiculiasis in Europe

et al. 2014

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BackgroundFor over a decade, the presence of trombiculid mites in some mountain areas of La Rioja (Northern Spain) and their association with seasonal human dermatitis have been recognized. This work aimed to establish the species identity of the agent causing trombiculiasis in the study area.MethodsTrombiculid larvae (chigger mites) were collected from vegetation in the Sierra Cebollera Natural Park and in Sierra La Hez during an outbreak of human trombiculiasis in 2010. Three specimens collected from a bird were also examined. Identification was made using morphological and morphometric traits based on the most recent taxonomic sources. A comparison of those mites with specimens of the same species collected throughout Europe was performed by means of cluster analysis with multiscale bootstrap resampling and calculation of approximately unbiased p-values.ResultsAll collected mites were identified as Neotrombicula inopinata (Oudemans, 1909). Therefore, this species is the most likely causative agent of trombiculiasis in Spain, not Neotrombicula autumnalis (Shaw, 1790), as it was generally assumed. No chigger was identified as N. autumnalis in the study area. Neotrombicula inopinata clearly differs from N. autumnalis in the presence of eight or more setae in the 1st and 2nd rows of dorsal idiosomal setae vs. six setae in N. autumnalis. Comparison of N. inopinata samples from different locations shows significant geographic variability in morphometric traits. Samples from Western and Eastern Europe and the Caucasus formed three separate clusters.ConclusionSince the taxonomical basis of many studies concerning N. autumnalis as a causative agent of trombiculiasis is insufficient, it is highly possible that N. inopinata may be hiding behind the common name of “harvest bug” in Europe, together with N. autumnalis.

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“…com/ en_ EU/ produ cts/ softw are/ nis-eleme nts/ nis-eleme nts-basic-resea rch). To identify larvae to genus and species we used various identification keys (Kudryashova 1998;Fernandes and Kulkarni 2003;Stekolnikov 2013), and in the case of deutonymphs, the original descriptions as well as redescriptions of species (Kepka 1959;Crossley 1960;Mąkol et al 2010) served as a source.…”

Section: Morphological and Molecular Identification Of Trombiculidaementioning

confidence: 99%

Parasitism, seasonality, and diversity of trombiculid mites (Trombidiformes: Parasitengona, Trombiculidae) infesting bats (Chiroptera) in Poland

Zajkowska

Mąkol

2021

Exp Appl Acarol

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The study aims to ascertain the diversity of trombiculid species associated with Chiroptera in Poland, and for the first time in the case of research on Central European Trombiculidae, we use both DNA and morphology in an integrative taxonomic approach to determine species identities of trombiculids. The research was carried out from 2015 to 2019. In total, 2725 larvae were collected from 300 specimens of bats belonging to 11 species. Deutonymphs were obtained through laboratory rearing of larvae; few larvae and deutonymphs were collected also from bats' daily roosts. The presence of trombiculid larvae on hosts was observed between July and April of the following year, with the highest numbers recorded in autumn, during bat swarming. Male bats were infested more often than females (16.4 vs. 6.6%). The highest infestation rate was recorded for Barbastella barbastellus, Myotis nattereri and Plecotus auritus, and the highest prevalence of chiggers (> 30%) for Myotis bechsteinii and P. auritus. The larvae found on bats occupied the areas with free access to the host’s skin: auricles, tragus, and snout. Morphological identification of specimens to the species level was hindered by the mosaic distribution of diagnostic traits. Morphological analyses indicated the presence of Leptotrombidium russicum and Leptotrombidium spp. in the examined material, whereas molecular analyses additionally suggested three other potential species assigned to the same genus based on the assessed scope of intrageneric variation (ASAP method). We argue that the identification of the parasitic larvae (chiggers) using morphological characters does not address the question of actual species boundaries, which, in turn, affects the inferences about host specificity and host range.

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A New Data on Biology and Taxonomy ofNeotrombicula inopinata(Oudemans, 1909) andLeptotrombidium russicum(Oudemans, 1902) (Acari: Actinotrichida: Trombiculidae)

Cited by 8 publications

References 6 publications

The Role of Chiggers as Human Pathogens

The Role of Chiggers as Human Pathogens

Neotrombicula inopinata (Acari: Trombiculidae) – a possible causative agent of trombiculiasis in Europe

Parasitism, seasonality, and diversity of trombiculid mites (Trombidiformes: Parasitengona, Trombiculidae) infesting bats (Chiroptera) in Poland

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