Explanipedia

Distribution of the ladybird Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) in Algeria and life history parameters in outdoor rearing Open

Mohamed Amin Lakhal, Faïza Marniche, Salaheddine Doumandji, Şükran Oğuzoğlu, Oldřich Nedvěd · 2025

The invasive ladybird Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) has been recorded in several regions in Algeria. The aim of the study was to provide detailed data on location, date, host plant and prey species. The previ…

Effects of temperature and humidity on the presence and prevalence of a common fungal parasite on an invasive ladybird Open

Michiel D. de Groot, Brianna Santamaria, Tim Adriaens, Ted E. Cottrell, Dirk Maes , et al. · 2025

Invasive species can significantly alter ecosystems, often through competitive dominance and indirect ecological effects. The harlequin ladybird ( Harmonia axyridis ) has become a widespread invasive species that, after a period without na…

Metabolomic signatures associated with cold adaptation and seasonal acclimation of Drosophila: profiling of 43 species Open

Martin Moos, Johannes Overgaard, Petr Hůla, Clara Garfiel Byrge, Petr Šmilauer , et al. · 2025

Cold tolerance is a key determinant of poleward colonization in insects. However, the physiological basis underlying interspecific differences in cold tolerance is not fully understood. Here, we analyzed cold tolerance and metabolomic prof…

Intraspecific Variation in the Alkaloids of Adalia decempunctata (Coleoptera, Coccinellidae): Sex, Reproduction and Colour Pattern Polymorphism Open

Muhammad Naeem Aslam, Oldřich Nedvěd, John J. Sloggett · 2024

Intraspecific variation in the alkaloids of Adalia decempunctata (Coleoptera, Coccinellidae): sex, reproduction and colour pattern polymorphism. Open

Muhammad Aslam, Oldřich Nedvěd, John J. Sloggett · 2024

In this paper, we examine intraspecific variation in the quantity of alkaloid chemical defence in field collected individuals of the polymorphic ladybird beetle Adalia decempunctata (10spot ladybird). Like its more widely studied relative …

Pachyneuron (Hymenoptera: Pteromalidae) and its relationship to ladybirds (Coleoptera: Coccinellidae): new data from Iran and review of the literature Open

Amir Biranvand, Piotr Ceryngier, Hassanali Vahedi, Fatemeh Romasi, Hamed Ghobari , et al. · 2024

Species of Pachyneuron Walker are most often reported as hyperparasitoids of aphids, coccids and psyllids (Hemiptera: Sternorrhyncha). On the other hand, quite many reports concern hyperparasitism in the predators of Sternorrhyncha, mainly…

Responses of avian predators to the polymorphic harlequin ladybird ( Harmonia axyridis ) Open

Petr Veselý, Oldřich Nedvěd, Martin Borovička, Markéta Adamovská, Alexandra Průchová , et al. · 2024

The harlequin ladybird ( Harmonia axyridis ) shows a high level of colour polymorphism. Particular forms differ in their colour combination, pattern and abundance. Two species of wild‐caught passerines native to Central Europe were offered…

Life and work of Ivo Hodek Open

Oldřich Nedvěd, Alois Honěk · 2023

Ivo Hodek, who was well-known for his professional work on ladybirds (Coccinellidae) and insect ecophysiology, as well as a teacher or mentor of many entomologists, and the longest serving editor of the European Journal of Entomology died …

Termination of diapause in the lime seed bug Oxycarenus lavaterae (Heteroptera: Lygaeoidea: Oxycarenidae) Open

Oldřich Nedvěd, Plamen Kalushkov, Ivo Hodek · 2023

The true bug Oxycarenus lavaterae has spread northwards through Europe from the Mediterranean at the beginning of the 21st century. Temperature and photoperiod in particular countries are important for the prediction of further spread. The…

Heart attack frequency and geomagnetic field instability (Primates: Hominidae) Open

Tereza Schimerová, Oldřich Nedvěd · 2023

It is believed that the high activity of sun with eruptions causing instability of the magnetic field of the Earth cause various health problems in sensitive people, including such events as heart attack. We analysed the daily frequency of…

A roadmap for ladybird conservation and recovery Open

António O. Soares, Danny Haelewaters, Olga M. C. C. Ameixa‍, Isabel Borges, Peter Brown , et al. · 2022

Ladybirds (Coleoptera: Coccinellidae) provide services that are critical to food production, and they fulfill an ecological role as a food source for predators. The richness, abundance, and distribution of ladybirds, however, are compromis…

Do Biotic and Abiotic Factors Influence the Prevalence of a Common Parasite of the Invasive Alien Ladybird Harmonia axyridis? Open

Danny Haelewaters, Thomas Hiller, Piotr Ceryngier, René Eschen, Michał Gorczak , et al. · 2022

Hesperomyces virescens (Ascomycota, Laboulbeniales), a fungal ectoparasite, is thus far reported on Harmonia axyridis from five continents: North and South America, Europe, Africa, and Asia. While it is known that He. virescens can cause m…

Exploring Cold Hardiness within a Butterfly Clade: Supercooling Ability and Polyol Profiles in European Satyrinae Open

Pavel Vrba, Alena Sucháčková Bartoňová, Miloš Andres, Oldřich Nedvěd, Petr Šimek , et al. · 2022

The cold hardiness of overwintering stages affects the distribution of temperate and cold-zone insects. Studies on Erebia, a species-rich cold-zone butterfly genus, detected unexpected diversity of cold hardiness traits. We expanded our in…

Overwintering of Coccinellids (Coleoptera: Coccinellidae) in the Center of Iran Open

Mehdi Zare Khormizi, Oldřich Nedvěd, Minoo Heidari Latibari · 2022

Intraspecific and Interspecific Comparison of Toxicity of Ladybirds (Coleoptera: Coccinellidae) With Contrasting Colouration Open

Muhammad Naeem Aslam, Oldřich Nedvěd · 2022

Ladybirds (Coccinellidae) use toxic compounds, mostly alkaloids in their haemolymph, for defence against predators and other enemies. The toxicity of ladybirds to predators cannot be directly assessed because predators show avoidance react…

Development of the European Ladybirds Smartphone Application: A Tool for Citizen Science Open

Jiří Skuhrovec, Helen E. Roy, Peter Brown, Karolis Kazlauskis, Alberto Francesco Inghilesi , et al. · 2021

Wildlife observations submitted by volunteers through citizen science initiatives are increasingly used within research and policy. Ladybirds are popular and charismatic insects, with most species being relatively easy to identify from pho…

Revision of the genus Coccidula Kugelann (Coleoptera, Coccinellidae) Open

Karol Szawaryn, Oldřich Nedvěd, Amir Biranvand, Tomasz Czerwiński, Romain Nattier · 2021

The genus Coccidula Kugelann includes five species distributed in the Holarctic, with one species in North America and four in Palearctic region. Coccidula belongs to the tribe Coccidulini which historically was treated as a separate subfa…

Thermal Plasticity of Antioxidative Activity in Fresh Adults of Harmonia axyridis (Coleoptera: Coccinellidae) Open

Mona Awad, J. Nedvědová, Oldřich Nedvěd · 2021

High and low developmental temperatures can induce physiological stress in insects, including oxidative stress that needs to be eliminated by increased antioxidant activity. Alien invasive ladybird Harmonia axyridis (Coleoptera: Coccinelli…

Additional notes to the morphology of Hyperaspis pseudopustulata Mulsant, 1853 (Coleoptera: Coccinellidae) Open

Amir Biranvand, Shahram Hesami, Mehdi Gheibi, Lida Fekrat, Oldřich Nedvěd · 2021

Additional notes to the morphology of Hyperaspis pseudopustulata Mulsant, 1853 (Coleoptera: Coccinellidae)

Mortality of native and invasive ladybirds co-infected by ectoparasitic and entomopathogenic fungi Open

Danny Haelewaters, Thomas Hiller, Emily A. Kemp, Paul S. van Wielink, David I. Shapiro‐Ilan , et al. · 2020

Harmonia axyridis is an invasive alien ladybird in North America and Europe. Studies show that multiple natural enemies are using Ha. axyridis as a new host. However, thus far, no research has been undertaken to study the effects of simult…

Scots pine forest in Central Europe as a habitat for Harmonia axyridis: temporal and spatial patterns in the population of an alien ladybird Open

Peter Zach, Milada Holecová, Marek Brabec, Katarína Hollá, Miroslava Šebestová , et al. · 2020

Understanding of habitat favourability has wide relevance to the invasion biology of alien species. We studied the seasonal dynamics of the alien ladybird Harmonia axyridis (Coleoptera: Coccinellidae) in monoculture Scots pine forest stand…

Intraguild Predation between Chrysoperla carnea (Neuroptera: Chrysopidae) and Hippodamia variegata (Coleoptera: Coccinellidae) at Various Extraguild Prey Densities and Arena Complexities Open

Maryam Zarei, Hossein Madadi, Abbas Ali Zamani, Oldřich Nedvěd · 2020

Intraguild predation (IGP) is a ubiquitous, important and common interaction that occurs in aphidophagous guilds. The effects of extraguild prey (EGP, i.e., aphids) density, predator life stage combinations and duration of the interaction …

Mortality of native and invasive ladybirds co-infected by ectoparasitic and entomopathogenic fungi Open

Danny Haelewaters, Thomas Hiller, Emily A. Kemp, Paul S. van Wielink, David I. Shapiro‐Ilan , et al. · 2020

Harmonia axyridis is an invasive alien ladybird in North America and Europe. Studies show that multiple natural enemies are using Ha. axyridis as a new host. However, thus far, no research has been undertaken to study the effects of simult…

Potential Müllerian Mimicry between Adalia bipunctata (Linnaeus) and Oenopia conglobata (Linnaeus) (Coleoptera: Coccinellidae) in Iran Open

Oldřich Nedvěd, Amir Biranvand, Jahanshir Shakarami, Derya Şenal · 2020

Nedvěd, Oldřich, Biranvand, Amir, Shakarami, Jahanshir, Şenal, Derya (2020): Potential Müllerian Mimicry between Adalia bipunctata (Linnaeus) and Oenopia conglobata (Linnaeus) (Coleoptera: Coccinellidae) in Iran. The Coleopterists Bulletin…

Oenopia shirkuhensis sp. nov. (Coleoptera, Coccinellidae) from Iran mimicking Adalia bipunctata Open

Mehdi Zare Khormizi, Oldřich Nedvěd · 2020

Oenopia shirkuhensis sp. nov. (Coleoptera, Coccinellidae) is described and illustrated. It was found in the mountains around Shirkooh mountain, Yazd province, and in the Kukhbenan Mountains, Kerman province, Iran. It is similar to a common…

Fifty Shades of the Harlequin Ladybird and a Sexually Transmitted Fungus. Open

Lukáš Fiedler, Oldřich Nedvěd · 2019

The ectoparasitic fungus Hesperomyces virescens was studied on its invasive host, the harlequin ladybird Harmonia axyridis, in the Czech Republic. A primary aim was to examine the relationship between fungal infection and elytral coloratio…

Fifty Shades of the Harlequin Ladybird and a Sexually Transmitted Fungus Open

Lukáš Fiedler, Oldřich Nedvěd · 2019

The ectoparasitic fungus Hesperomyces virescens was studied on its invasive host, the harlequin ladybird Harmonia axyridis, in the Czech Republic. A primary aim was to examine the relationship between fungal infection and elytral coloratio…

The genus Harmonia (Coleoptera, Coccinellidae) in the Middle East region Open

Amir Biranvand, Oldřich Nedvěd, Wioletta Tomaszewska, Amin N. Al Ansi, Lida Fekrat , et al. · 2019

The harlequin ladybird, Harmonia axyridis (Pallas, 1773), is native to Asia but has been introduced to many countries, both intentionally and unintentionally. In the Middle East region, H. axyridis was so far only known from Iran and Turke…

The genus Harmonia (Coleoptera, Coccinellidae) in the Middle East region Open

Amir Biranvand, Oldřich Nedvěd, Wioletta Tomaszewska, Amin N. Al Ansi, Lida Fekrat , et al. · 2019

Table S1. List of Middle Eastern cities with available temperature and precipitation data, usually from between 1961 and 1990.

The genus Harmonia (Coleoptera, Coccinellidae) in the Middle East region Open

Amir Biranvand, Oldřich Nedvěd, Wioletta Tomaszewska, Amin N. Al Ansi, Lida Fekrat , et al. · 2019

Table S1. List of Middle Eastern cities with available temperature and precipitation data, usually from between 1961 and 1990.

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