Rhian Guillem

ORCID: 0000-0001-7149-8561
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About
Contact & Profiles
Research Areas
  • Insect and Arachnid Ecology and Behavior
  • Plant and animal studies
  • Lepidoptera: Biology and Taxonomy
  • Plant Virus Research Studies
  • Forest Insect Ecology and Management
  • Animal and Plant Science Education
  • Wildlife Ecology and Conservation
  • Ecology and Vegetation Dynamics Studies
  • Insect and Pesticide Research
  • Avian ecology and behavior
  • Animal Behavior and Reproduction
  • Insect Utilization and Effects
  • Animal Ecology and Behavior Studies
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 epidemiological studies
  • Mosquito-borne diseases and control
  • Biological Control of Invasive Species
  • Malaria Research and Control
  • Mediterranean and Iberian flora and fauna
  • Zoonotic diseases and public health
  • Entomological Studies and Ecology
  • Research on scale insects
  • Orthoptera Research and Taxonomy
  • Hymenoptera taxonomy and phylogeny
  • Wildlife Conservation and Criminology Analyses

Gibraltar Museum
2015-2022

University of Gibraltar
2020-2021

University of Sheffield
2012-2016

Abdelmalek Essaâdi University
2015

Agence Régionale de Santé Nouvelle-Aquitaine
2009

University of Bristol
2007

Invasive Alien Species (IAS) are known to be a major threat biodiversity and ecosystem function there is increasing evidence of their impacts on human health economies globally. We undertook horizon scanning using expert-elicitation predict arrivals IAS that could have adverse or economic the island Cyprus. Three hundred twenty five comprising 89 plants, 37 freshwater animals, 61 terrestrial invertebrates, 93 vertebrates, 45 marine species, were assessed during two-day workshop involving...

10.3389/fevo.2020.566281 article EN cc-by Frontiers in Ecology and Evolution 2020-10-21

Abstract Deception is widespread throughout the animal kingdom and various deceptive strategies are exemplified by social parasites. These species of ants, bees wasps that have evolved to invade, survive reproduce within a host colony another species. This achieved principally chemical deception tricks workers into treating invading parasite as their own kin. Achieving levels acceptance typically hostile colonies requires an amazing level insects complex species- colony-specific recognition...

10.1093/czoolo/60.1.62 article EN cc-by-nc Current Zoology 2014-02-01

Recognition is a fundamental process on which all subsequent behaviors are based at every organizational level, from the gene up to super-organism. At whole organism visual recognition best understood. However, chemical communication far more widespread than communication, but despite its importance much less Ants provide an excellent model system for ecology studies as it well established that compounds known cuticular hydrocarbons (CHCs) used cues in ants. Therefore, stable...

10.1007/s10886-016-0784-x article EN cc-by Journal of Chemical Ecology 2016-10-01

Abstract Invasive non‐native species (INNS) are recognized as a major threat to island biodiversity, ecosystems, and economies globally. Preventing high‐risk INNS from being introduced is the most cost‐effective way avoid their adverse impacts. We applied horizon scanning approach identify potentially in United Kingdom Overseas Territories (OTs), ranging Antarctica Caribbean, Pacific Atlantic. High‐risk were identified according potential for arrival, establishment, likely impacts on...

10.1111/conl.12928 article EN cc-by Conservation Letters 2022-11-28

Abstract Recent technological development of molecular methods has led to the proliferation new rapid PCR or reverse‐transcriptase (RT)‐PCR‐derived diagnostic tests for plant viruses. Nevertheless, routine use, reliability all these is not widely established and there still an apprehension adopt them in official certification material. This partly because lack confidence obtained results poor knowledge on reproducibility limits RT‐PCR protocols. There a information adequate risk assessment...

10.1111/j.1744-7348.2008.00281.x article EN Annals of Applied Biology 2009-01-13

We tracked pallid swifts ( Apus pallidus brehmorum ) from a single breeding colony in Gibraltar over two years. Our results show movement of birds between specific regions within the non-breeding geographical area at times year. The tracking individual showed remarkable fidelity to areas visited Furthermore, entire eight-month period, while Africa, gave no indication coming land, supporting previous findings an airborne existence outside season. In addition, crossing Sahara Desert and...

10.1371/journal.pone.0259656 article EN cc-by PLoS ONE 2021-11-30

The Little Bustard Tetrax tetrax is an endangered steppe bird whose last remaining breeding populations in Catalonia (NW Spain) are located the Lleida plains. Although decline this population mainly associated with habitat loss and degradation due to agricultural intensification urban encroachment, proliferation of predators, some favoured by hu- mans, may also be having negative effects on population, either through direct predation or indirect behaviour survival. Here, we describe type...

10.62102/2340-3764.2023.1.2 article EN Deleted Journal 2024-02-08

10.2985/015.087.0307 article TL Cactus and Succulent Journal 2015-05-01

Seven species of whitefly (Hemiptera: Aleyrodidae) are recorded for the first time from Gibraltar, six which non-native introductions. The most notable are: Bemisia tabaci (Gennadius) complex, is a major economic agricultural and horticultural pest, virus vector; Singhiella simplex (Singh), native to S.E. Asia, feeding exclusively on Ficus spp., recent introduction Mediterranean. also Mallorca (Spain) Morocco.

10.31184/m00138908.1573.4080 article EN The Entomologist s monthly magazine 2021-07-30

Following the expansion of invasive mosquito Aedes albopictus (Diptera: Culicidae) through Spain along Mediterranean coast, surveillance was established in Gibraltar 2016. This paper reports on first detection Ae. 2017 as well subsequent efforts to monitor establishment species, including longitudinal data over several years since 2018, and results a snapshot survey 2021 adult density. has become across most Gibraltar, with defined seasonality from August October, slightly later than peak...

10.52004/jemca2022.0001 article EN cc-by Journal of the European Mosquito Control Association 2022-07-22

Agathodes designalis (Guenée, 1854) se cita por primera vez en Europa, de Gibraltar.

10.57065/shilap.753 article ES cc-by SHILAP Revista de lepidopterología 2018-12-30

Cacopsylla fulguralis (Kuwayama) and Macrohomotoma gladiata Kuwayama (Hemiptera: Psylloidea), are reported for the first time from Gibraltar: C. in North District on Elaeagnus × ebbingei , 22. i.2019; M. Sandpits Area Ficus microcarpa 20.i.2019. Both species native to Asia have been introduced spread widely Europe Mediterranean. The host range, geographical distribution potential impact Gibraltar of both discussed. is also recorded Greece Morocco time.

10.31184/m00138908.1561.4016 article EN The Entomologist s monthly magazine 2020-01-31

Three new exotic species of ants are recorded for the Macaronesian island Madeira: Cardiocondyla obscurior Wheeler, 1929, Lepisiota capensis (Mayr, 1862) and Pheidole navigans Forel, 1901. The well-known invasive megacephala is now rare on Madeira, possibly because competition with P. . We did not come across Argentine ant – Linepithema humile , which was once very common in Funchal area. Despite extensive searching, presumed endemic Temnothorax wollastoni (Donisthorpe, 1940) remains unknown...

10.3897/jhr.91.81624 article EN cc-by Journal of Hymenoptera Research 2022-06-30

Understanding the behaviour of hosts SARS-CoV-2 is crucial to our understanding virus. A comparison environmental features related incidence with those its potential critical. We examine distribution coronaviruses among bats. analyse in a nine-week period following lockdown Italy, Spain, and Australia. correlate variables particularly ultraviolet radiation, temperature, humidity. establish clear negative relationship between COVID-19 modulated by temperature relate results data showing that...

10.48550/arxiv.2010.16167 preprint EN other-oa arXiv (Cornell University) 2020-01-01
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