The first 2019 issue presents alien species reports from sixteen countries in Europe, North, Central, and South America, Asia, and Africa! 

In this issue.. 

Thanks to herbarium analyses, scientists revealed that the silent spread of the alien knotweed, Reynoturiax bohemica, has occurred in Europe since 1872! 

The Atlantic blue crab is on everyone’s lips! Four articles reported news on its bioinvasion in the Mediterranean Sea (NE and SW Iberian Peninsula, Algeria, and Sardinia). 

Literally jumping to terrestrial environments: frogs of the genus Pelophylax were detected in western and southern Italy, while alien geckoes are spreading through the Caribbean and the Bahamas islands. 

Lots of new records for marine and freshwater alien species: the amphipods Crangonyx floridanus (UK; read also our Press Release), Monocorophium uenoi (French Atlantic coasts), and Phtisica marina (coastal Indian waters), the sea hare Aplysia dactylomela (Libyan coastal waters), the damselfish Neopomacentrus cyanomos (northern Gulf of Mexico), the nakedband gaper Champsodon nudivittis (Greece), and the flowering shrub Chromolaena odorata (West Africa).
From one to a hundred in a year! The establishment of Massawan mantis shrimp, Erugosquilla massavensis in Italy (Sicily). 

Difficult to spot? Detailed pictures and morphological tools to identify invading ascidians in North America. 

Monitoring and early detection at sea: depth and density distribution of the invasive vermetid Eualetes tulipa in SW Atlantic. 

Finally, there are new insights into the invasion of red swamp crayfish Procambarus clarkii in Italy (Po Valley). 

Please visit our website and download Volume 8 Issue 1 of BioInvasions Records – it's Open Access!