scholarly journals Evidence for the spread of the alien species Aedes koreicus in the Lombardy region, Italy

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Agata Negri ◽  
Irene Arnoldi ◽  
Matteo Brilli ◽  
Claudio Bandi ◽  
Paolo Gabrieli ◽  
...  
Keyword(s):  
Genetic Markers ◽  
Mosquito Species ◽  
Genetic Data ◽  
Surveillance Program ◽  
Mosquito Larvae ◽  
Potential Vector ◽  
Aedes Koreicus ◽  
Lombardy Region ◽  
The North ◽  
Invasive Mosquito

Abstract Background Aedes koreicus is a mosquito species characterized by marked anthropophilic behavior, and a potential vector of nematodes and viruses. It is native to East Asia, but its presence has recently been reported in many regions of Europe. In Italy, these mosquitoes had been detected in the northeast since 2011 and are now spreading towards the southwest of the country. Methods In 2020, during a surveillance program for invasive mosquito species in the district of Bergamo (Lombardy Region, Italy), about 6000 mosquito larvae were collected. Emerged adults were assigned to mosquito species according to morphological analyses, followed by amplification and sequencing of genetic markers (COI, ND4, ITS2 and D2). Results According to the morphological and genetic data, about 50 individuals belonged to the species Ae. koreicus. Conclusion We report the presence of Ae. koreicus in the district of Bergamo, which confirms the spread of this species in the north of Italy and raises concerns about its possible role as a vector of diseases in the Alpine area. Graphical Abstract

scholarly journals Current distribution of the invasive mosquito species, Aedes koreicus [Hulecoeteomyia koreica] in northern Italy

2015 ◽  
Vol 8 (1) ◽  
Author(s):  
Fabrizio Montarsi ◽  
Andrea Drago ◽  
Simone Martini ◽  
Mattia Calzolari ◽  
Francesco De Filippo ◽  
...  
Keyword(s):  
Current Distribution ◽  
Mosquito Species ◽  
Northern Italy ◽  
Aedes Koreicus ◽  
Invasive Mosquito Species ◽  
Invasive Mosquito

scholarly journals First report of the invasive mosquito species Aedes koreicus in the Swiss-Italian border region

2015 ◽  
Vol 8 (1) ◽  
Author(s):  
Tobias Suter ◽  
Eleonora Flacio ◽  
Begoña Feijoó Fariña ◽  
Lukas Engeler ◽  
Mauro Tonolla ◽  
...  
Keyword(s):  
Mosquito Species ◽  
Border Region ◽  
Aedes Koreicus ◽  
First Report ◽  
Invasive Mosquito Species ◽  
Invasive Mosquito

scholarly journals Dynamics and Distribution of the Invasive Mosquito Aedes koreicus in a Temperate European City

2020 ◽  
Vol 17 (8) ◽  
pp. 2728
Author(s):  
Kornélia Kurucz ◽  
Mattia Manica ◽  
Luca Delucchi ◽  
Gábor Kemenesi ◽  
Giovanni Marini
Keyword(s):  
Mathematical Model ◽  
Abiotic Factors ◽  
Mosquito Species ◽  
Temperature Dependent ◽  
Aedes Koreicus ◽  
Mosquito Abundance ◽  
Invasive Mosquito ◽  
Summer Temperatures ◽  
The City ◽  
Blood Meals

Aedes koreicus is a mosquito species native to Asia that has recently successfully invaded new areas in several European countries. Here, we provide important data on Ae. koreicus establishment in Pécs (Southern Hungary). Mosquito surveillance was carried out weekly between 2016 and 2019 at 10 different sites located throughout the city from May to September. We conducted a statistical analysis to evaluate the most important abiotic factors driving Ae. koreicus abundance. We then calibrated a previously developed temperature-dependent mathematical model to the recorded captures to evaluate mosquito abundance in the study area. We found that too high summer temperatures negatively affect mosquito abundance. The model accurately replicated the observed capture patterns, providing an estimate of Ae. koreicus density for each breeding season, which we interpolated to map Ae. koreicus abundance throughout Pécs. We found a negative correlation between mosquito captures and human density, suggesting that Ae. koreicus does not necessarily require humans for its blood meals. Our study provides a successful application of a previously published mathematical model to investigate Ae. koreicus population dynamics, proving its suitability for future studies, also within an epidemiological framework.

scholarly journals Vector Competence of the Invasive Mosquito Species Aedes koreicus for Arboviruses and Interference with a Novel Insect Specific Virus

Viruses ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 2507
Author(s):  
Stephanie Jansen ◽  
Dániel Cadar ◽  
Renke Lühken ◽  
Wolf Peter Pfitzner ◽  
Hanna Jöst ◽  
...  
Keyword(s):  
Vector Competence ◽  
Mosquito Species ◽  
Transmission Efficiency ◽  
Climate Conditions ◽  
Aedes Koreicus ◽  
Invasive Mosquito Species ◽  
Invasive Mosquito ◽  
Specific Virus ◽  
Transmission Capability ◽  
The Impact

The global spread of invasive mosquito species increases arbovirus infections. In addition to the invasive species Aedes albopictus and Aedes japonicus, Aedes koreicus has spread within Central Europe. Extensive information on its vector competence is missing. Ae. koreicus from Germany were investigated for their vector competence for chikungunya virus (CHIKV), Zika virus (ZIKV) and West Nile virus (WNV). Experiments were performed under different climate conditions (27 ± 5 °C; 24 ± 5 °C) for fourteen days. Ae. koreicus had the potential to transmit CHIKV and ZIKV but not WNV. Transmission was exclusively observed at the higher temperature, and transmission efficiency was rather low, at 4.6% (CHIKV) or 4.7% (ZIKV). Using a whole virome analysis, a novel mosquito-associated virus, designated Wiesbaden virus (WBDV), was identified in Ae. koreicus. Linking the WBDV infection status of single specimens to their transmission capability for the arboviruses revealed no influence on ZIKV transmission. In contrast, a coinfection of WBDV and CHIKV likely has a boost effect on CHIKV transmission. Due to its current distribution, the risk of arbovirus transmission by Ae. koreicus in Europe is rather low but might gain importance, especially in regions with higher temperatures. The impact of WBDV on arbovirus transmission should be analyzed in more detail.

scholarly journals The mosquitoes of Armenia: review of knowledge and results of a field survey with first report of Aedes albopictus

Parasite ◽  
2020 ◽  
Vol 27 ◽  
pp. 42
Author(s):  
Lusine Paronyan ◽  
Lilit Babayan ◽  
Arsen Manucharyan ◽  
Dezdemonia Manukyan ◽  
Haykuhi Vardanyan ◽  
...  
Keyword(s):  
Public Health ◽  
Aedes Albopictus ◽  
Species Complex ◽  
Field Survey ◽  
Mosquito Species ◽  
Potential Vector ◽  
Field Surveys ◽  
Main Road ◽  
Invasive Mosquito ◽  
Single Locality

Background: In 2016, a field study was implemented in all Armenian provinces in order to update knowledge on the presence and distribution of both native and invasive mosquito species. Larvae and adult mosquitoes were sampled and identified on the basis of their morphology. Supplementary field surveys were performed in 2017–2018. Results: Between June 20 and July 12, 2016, 117 localities were visited. A total number of 197 sampling units were checked, of which 143 (73%) were positive for mosquitoes (with 1–6 species per sampling unit). A total number of 4157 mosquito specimens were identified to species or species complex level. Ten species represent first records for Armenia: Aedes albopictus, Ae. annulipes, Ae. cataphylla, Ae. cinereus/geminus (probably Ae. cinereus), Ae. flavescens, Anopheles plumbeus, Coquillettidia richiardii, Culex martinii, Cx. torrentium and Culiseta subochrea. The invasive species Ae. albopictus was recorded in a single locality (Bagratashen) at the border point with Georgia, along the main road Tbilisi-Yerevan. This species was further recorded in 2017 and 2018, demonstrating its establishment and spread in north Armenia. These surveys confirm the presence of vectors of malaria parasites (in particular An. sacharovi) and West Nile virus (Cx. pipiens). Conclusion: The knowledge of the Armenian mosquito fauna is extended to a list of 28 species. The record of Aedes albopictus, an important potential vector of many arboviruses, has important implications for public health.

scholarly journals Predation efficiency of copepods against the new invasive mosquito species Aedes koreicus (Diptera: Culicidae) in Italy

2017 ◽  
Vol 84 (1) ◽  
pp. 43-48 ◽  
Author(s):  
F. Baldacchino ◽  
M. C. Bruno ◽  
P. Visentin ◽  
K. Blondel ◽  
D. Arnoldi ◽  
...  
Keyword(s):  
Mosquito Species ◽  
Aedes Koreicus ◽  
Invasive Mosquito Species ◽  
Predation Efficiency ◽  
Invasive Mosquito

Description of the egg of Hulecoeteomyia koreica (Edwards) (Diptera: Culicidae) using scanning electron microscopy

Zootaxa ◽  
2018 ◽  
Vol 4442 (1) ◽  
pp. 194-200
Author(s):  
CARLOS BRISOLA MARCONDES ◽  
CECÍLIA FERREIRA DE MELLO ◽  
AMANDA QUEIROZ BASTOS ◽  
FABRIZIO MONTARSI ◽  
JERONIMO ALENCAR ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Mosquito Species ◽  
Anterior Region ◽  
Aedes Koreicus ◽  
Invasive Mosquito ◽  
Scanning Electron

The egg of Hulecoeteomyia koreica (Edwards) [=Aedes koreicus (Edwards)], an invasive mosquito in Europe, is described from material obtained in Italy. Eggs are cigar-shaped and tapered posteriorly. They are 667.5 ±47.27 µm in length, and the width posteriorly, in the middle and near the micropyle is, respectively, 113.18 ±10.07, 182.5 ±26.92 and 142.25 ±13.85µm. The outer chorion has groups of tubercles, 3 or 4 in an irregular row in the anterior region and 4–6 irregularly dispersed in cavities surrounded by a covering similar to a membrane. The micropyle is surrounded by an irregular collar, and groups of tubercles are less defined in this region. This pattern is different from the egg described for any other mosquito species. 

scholarly journals Dissemination of Invasive Mosquito Species, Aedes (Stegomyia) aegypti (L., 1762) and Aedes (Stegomyia) albopictus (Skuse, 1895) in the South of Krasnodar Region, Russia

2018 ◽  
pp. 101-105 ◽  
Author(s):  
M. V. Fedorova ◽  
O. G. Shvets ◽  
Yu. V. Yunicheva ◽  
I. M. Medyanik ◽  
T. E. Ryabova ◽  
...  
Keyword(s):  
Climatic Factors ◽  
Mosquito Species ◽  
The Black Sea ◽  
Climatic Data ◽  
The South ◽  
The North ◽  
Black Sea Coast ◽  
Northern Border ◽  
Invasive Mosquito ◽  
Krasnodar Region

Objective of the study was to investigate the current borders of the invasive species Ae. aegypti and Ae. albopictus distribution in the south of the Krasnodar Region and climatic factors limiting their expansion. Material and methods. Mosquito larvae, pupa and imago were collected in 21 inhabited localities in August–September, 2017, using conventional entomological methods, and identified through standard morphological keys. Climatic data found on the website pogoda. ru were analyzed using SPSS program. Results and conclusions. Ae. albopictus is widely spread along the Black Sea coast, from Adler to Novorossiysk (Ozereyevka), as well as on the north slopes of Caucasus up to Maikop. Additional investigations are required to specify the northern border of species distribution and to evidence the existence of established populations here. Ae. aegypti were not found in the south of the Krasnodar Region. The obtained data suggest a possibility of much wider spreading of dengue, Chikungunya and Zika fevers in case of pathogen importation to the south of Krasnodar Region, than was assumed earlier.

scholarly journals First record of the invasive mosquito species Aedes koreicus (Diptera, Culicidae) in the Republic of Kazakhstan

Parasite ◽  
2021 ◽  
Vol 28 ◽  
pp. 52
Author(s):  
Yulia V. Andreeva ◽  
Natalia V. Khrabrova ◽  
Svetlana S. Alekseeva ◽  
Gulnar M. Abylkassymova ◽  
Anastasia V. Simakova ◽  
...  
Keyword(s):  
Mosquito Species ◽  
Russian Far East ◽  
Molecular Genetic ◽  
Far East ◽  
Water Reservoir ◽  
Morphological Identification ◽  
Aedes Koreicus ◽  
Invasive Mosquito Species ◽  
Invasive Mosquito ◽  
The Republic

The natural distribution range of Aedes koreicus is Korea, China, Japan, and the Russian Far East. Since 2008, this species has been recorded as an invasive species in some European countries (Belgium, European Russia, Germany, Hungary, Italy, Slovenia, and Switzerland). The invasive mosquito species Ae. koreicus is reported from the Republic of Kazakhstan for the first time. Its morphological identification was confirmed by molecular-genetic analyses of ND4 sequences using specific primers. Aedes koreicus larvae were found in an artificial water reservoir together with the larvae of Culiseta longiareolata and Culex pipiens s.l. Aedes koreicus successfully overwintered in Almaty at low winter temperatures in 2018–2019. This suggests that the Ae. koreicus acclimation capacity is greater than it has been considered until now. We assume that Ae. koreicus will spread over the west and south of the Republic of Kazakhstan and territories of Kyrgyzstan and Uzbekistan Republics bordering the Almaty region.

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