De driedoornige metselbij (Hoplitis tridentata) maakt een sprong naar het noorden
Bzzz/HymenoVaria , Volume 30 - Issue 1 p. 49- 51
The mason bee Hoplitis tridentata was found in the Netherlands for the first time in 1993. Until recently there had been only six sightings, all of them in South Limburg. In 2009 the species was also found near Giesbeek (Gelderland) along the IJssel, quite a bit farther north.
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