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Insects
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Research and Advances in Acarology
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Research and Advances in Acarology

A special issue of Insects (ISSN 2075-4450). This special issue belongs to the section "Medical and Livestock Entomology".

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 6727

Special Issue Editors

Dr. Julia González

E-Mail Website
Guest Editor
Department of Entomology, Center for Vector Biology, Rutgers University, New Brunswick, NJ 08854, USA
Interests: vector-borne diseases; zoonoses; one health; medical entomology; vector biology; tick physiology; veterinary parasitology
Special Issues, Collections and Topics in MDPI journals
Dr. Alvaro Toledo

E-Mail Website
Guest Editor
Department of Entomology, Rutgers University Researcher, Center for Vector Biology, Rutgers University, New Brunswick, NJ 08854, USA
Interests: medical entomology; acarology; microbiology; Lyme disease; vector biology; tick-borne diseases

Special Issue Information

Dear Colleagues,

The continuous expansion of mites and ticks around the globe represents an agricultural and public health challenge. Studying fundamental biological and ecological traits is critical to developing sustainable management strategies in agricultural settings and understanding the epidemiology of vector-borne diseases. This Special Issue on “Research and Advances in Acarology” will consider all original research articles, reviews, mini-reviews, and perspectives on basic and applied research of mites and ticks for publication after rigorous peer review.

Dr. Julia González
Dr. Alvaro Toledo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Insects is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • mites
  • ticks
  • vector-borne diseases
  • Acari
  • pest control

Published Papers (4 papers)

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Research

8 pages, 283 KiB  
Article
Determination of a Discriminant Dose to Identify Resistance to Amitraz in Rhipicephalus sanguineus s.l. (Acari: Ixodidae) from Mexico
by Francisco Martínez-Ibañez, Carlos Cruz-Vázquez, Jorge Osorio-Miranda, Irene Vitela-Mendoza, Leticia Medina-Esparza, Rodolfo Lagunes-Quintanilla and Arturo Chávez-Rodríguez
Insects 2023, 14(7), 662; https://doi.org/10.3390/insects14070662 - 24 Jul 2023
Viewed by 731
Abstract
The brown dog tick, Rhipicephalus sanguineus s.l., is considered the most widely distributed three-host tick in the world and has medical and veterinary importance; the control of infestation is carried out with acaricides, towards which it can develop resistance. This study aimed to [...] Read more.
The brown dog tick, Rhipicephalus sanguineus s.l., is considered the most widely distributed three-host tick in the world and has medical and veterinary importance; the control of infestation is carried out with acaricides, towards which it can develop resistance. This study aimed to determine the discriminant dose (d.d) of amitraz to identify resistance in R. sanguineus s.l. larvae natives from Mexico and to evaluate its application in field-collected ticks. Engorged ticks were collected from naturally infested dogs residing in rural communities and were incubated for 25 days, and their progeny was used in a larval immersion test (LIT) to be exposed to the d.d. determined in Rhipicephalus microplus, and those that were susceptible were analyzed using the LIT in six concentrations. Mortality was analyzed through probit methodology to calculate the lethal concentration (LC) 50 and 99. The d.d. was determined as a consensus value by multiplying the LC99 × 2, and then, we proceeded to evaluate it in in-field samples by using the LIT technique. The d.d. calculated was 4 ppm. The in-field evaluation found 64% of the resistant samples to amitraz with mortality percentages between 98.3% and 0.35%. This dose can be used to rapidly and inexpensively identify resistant populations in samples collected in the field. Full article
(This article belongs to the Special Issue Research and Advances in Acarology)
15 pages, 2628 KiB  
Article
Seasonal Dynamics of Tick Species in the Ecotone of Parks and Recreational Areas in Middlesex County (New Jersey, USA)
by Julia González, Dina M. Fonseca and Alvaro Toledo
Insects 2023, 14(3), 258; https://doi.org/10.3390/insects14030258 - 05 Mar 2023
Cited by 8 | Viewed by 1823
Abstract
People often use parks and other forested areas for outdoor activities such as hiking and walking their dogs. Areas of primary use are paths or grassy meadows on the edges of the forests that constitute transitional areas between different plant communities (aka ecotones). [...] Read more.
People often use parks and other forested areas for outdoor activities such as hiking and walking their dogs. Areas of primary use are paths or grassy meadows on the edges of the forests that constitute transitional areas between different plant communities (aka ecotones). In this study, we monitored the seasonal dynamics of questing ticks in forest/meadow and forest/path ecotones in five areas in Middlesex County, New Jersey (NJ). We found anthropophilic species such as Ixodes scapularis, Amblyomma americanum, and Dermacentor variabilis coexisting with Haemaphysalis longicornis, an invasive tick species first detected in NJ in 2017. Surveillance was conducted weekly from March to November 2020, and collected ticks were identified. The most abundant tick species was H. longicornis (83%), followed by A. americanum (9%), I. scapularis (7%), and D. variabilis (<1%). The seasonal dynamics of A. americanum and I. scapularis in the ecotone were similar to previous surveys in forest habitats. The presence of anthropophilic ticks, particularly I. scapularis, suggests the need for specific control approaches to target these habitats. In addition, the extraordinarily high numbers of H. longicornis collected in ecotones (1.70 ticks/m2) and frequent reports of this species on dogs highlight the importance of monitoring its expansion due to its potential as a vector of animal and human diseases. Full article
(This article belongs to the Special Issue Research and Advances in Acarology)
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9 pages, 1059 KiB  
Communication
Efficacy of In Vitro Lithium Chloride Treatments on Dermacentor reticulatus
by Balázs Kolics, Kinga Mátyás, Izabella Solti, Zsuzsanna Bacsi, Szilvia Kovács, András Specziár, János Taller and Éva Kolics
Insects 2023, 14(2), 110; https://doi.org/10.3390/insects14020110 - 20 Jan 2023
Cited by 1 | Viewed by 1323
Abstract
Dermacentor reticulatus (Fabr., 1794) (Acari: Ixodidae) is parasite that spreads many diseases which are dangerous to humans and animals. Microelement lithium was found to have promising potential against the detrimental bee pest Varroa destructor. Furthermore, its effectiveness was confirmed against Dermanyssus gallinae, a [...] Read more.
Dermacentor reticulatus (Fabr., 1794) (Acari: Ixodidae) is parasite that spreads many diseases which are dangerous to humans and animals. Microelement lithium was found to have promising potential against the detrimental bee pest Varroa destructor. Furthermore, its effectiveness was confirmed against Dermanyssus gallinae, a major parasite of poultry, in vitro. In the present study, we investigated whether the efficacy of lithium chloride extends to other parasitic species, such as D. reticulatus. Our results revealed, for the first time, that the effectiveness of lithium chloride extends to D. reticulatus, confirmed to have 100% mortality at a relatively high minimum concentration of 1.38 M in vitro. The 24 h and 48 h median lethal concentration (LC50) values proved to be 0.654 M and 0.481 M, respectively, for this species. Our pilot study may contribute to a better understanding of the properties of lithium ion. Furthermore, it may elicit further studies aiming to reveal whether the different environmental mineral conditions may influence the D. reticulatus population. Further studies might reveal whether lithium has any possible veterinary relevance. Full article
(This article belongs to the Special Issue Research and Advances in Acarology)
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17 pages, 7307 KiB  
Article
Geometric Morphometric Analysis and Molecular Identification of Coconut Mite, Aceria guerreronis Keifer (Acari: Eriophyidae) Collected from Thailand
by Suradet Buttachon, Siwaret Arikit, Wirawan Nuchchanart, Thanapol Puangmalee, Tidapa Duanchay, Nattaya Jampameung and Sunisa Sanguansub
Insects 2022, 13(11), 1022; https://doi.org/10.3390/insects13111022 - 05 Nov 2022
Cited by 3 | Viewed by 1856
Abstract
One of the most impactful pests in several coconut production regions across the world is the coconut mite, Aceria guerreronis Keifer. Scholars can obtain some necessary biogeographic information about coconut mites from studies that explore the geographic patterns of morphological variations and molecular [...] Read more.
One of the most impactful pests in several coconut production regions across the world is the coconut mite, Aceria guerreronis Keifer. Scholars can obtain some necessary biogeographic information about coconut mites from studies that explore the geographic patterns of morphological variations and molecular properties among coconut mite populations from various locales. To investigate the geographical origin, ancestral host associations, and colonization history of the mite in Thailand, we obtained DNA sequence data from two mitochondrial (16s and COI) and one nuclear region (ITS) from coconut mite samples originating from 25 populations; additionally, we analyzed the morphological variations in the prodorsal shield and the coxigenital and ventral regions of the mite idiosoma. From the results of experiments using both identification methods, we identified the mite as the coconut mite, A. guerreronis (Acari: Eriophyidae). According to the phylogenetic analysis results of the 25 mite samples, we classified the mites as being closely related to mites found by the authors of a previous report in India. We are the first to report the results of a geometric morphometric analysis and molecular identification of A. guerreronis in Thailand, and our findings support the idea that the mites’ origin and invasion history are not well documented, which makes it difficult to apply quarantine procedures and search for biological pest control agents. Full article
(This article belongs to the Special Issue Research and Advances in Acarology)
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