International Association
for Open Knowledge
on Invasive Alien Species
September 2019 issue of BioInvasions Records is now online!

In this issue, many news from the terrestrial environment! 

Increasing warnings from Africa, where the yellow fever mosquito (Aedes aegypti) has been recorded in Botswana, and the invasive longhorn crazy ant (Paratrechina longicornis) in Uganda. 

Many concerns for alien plants, as the first record of the Chinese windmill palm (Trachycarpus fortunei) in Austria, the Chilean needle grass (Nassella neesiana) in Croatia, but allelopathy may help to inhibit the invasion of exotic plants in subtropical forests. 

Citizens helped to detect the giant silverfish Ctenolepisma longicaudata and the invasive wasps Vespula vulgaris and Vespula germanica in the North Atlantic Faroe Islands! 

Beetles in the spotlight: non-native Asian seed beetle (Megabruchidius dorsalis) has been found for the first time in Slovenia, and the ragweed leaf beetle (Ophraella communa) is invading the Balkans. 

A noteworthy step on a vast continent: the guava fruit fly (Bactrocera correcta) in mainland China. 

Morphological characters helped to verify the presence of an alien anole (Anolis segrei) in Mexico. 

For the first time, an alien flatworm (Caenoplana bicolor), is recorded on the island of Crete. 

Moving to marine and freshwater environments… 

A copepod (Mytilicola orientalis) is affecting blue mussels in the Baltic Sea, a metacercarian (Haplorchis pumilio) has been co-introduced as a parasite of pet goldfishes in Mexico, and a trematode (Transversotrema patialense) is affecting alien thiarid snails in New Zealand. 

Disturbances due to desalination effluents had a critical role in the flourishing of skeleton shrimp (Paracaprella pusilla) populations in Israel. Meanwhile, the western tubenose goby (Proterorhinus semilunaris) is expanding its range expansion in Great Lakes basin. 

Taxonomic facts! Descriptions of colonial ascidians (Didemnum psammatodes) in the Persian Gulf, and pictures for cryptogenic marine bryozoan, mollusk, and tunicate species in Libya 

More and more first records from all over the world! The drifting Japanese wireweed (Sargassum muticum) from Algerian coasts, an encrusting bryozoan in NW Atlantic, a non-native jellyfish (Chrysaora cf. achlyos) in the Mediterranean Sea, a Neotropical cladoceran (Diaphanosoma fluviatile) in Great Lakes basin, an Asian leech (Barbronia weberi) in Hungary, invasive mollusks (Corbicula fluminea, Melanoides tuberculata, Tarebia granifera, and Perna viridis) in Central and South America, the Indo-Pacific swimming crab (Charybdis (Charybdis) hellerii) in Mexico. the marbled crayfish (Procambarus virginalis) in Estonia, and non-indigenous fishes (Synanceia verrucosa  and Acanthurus sohal) from Gaza. 

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