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Questions related from Ton van Haaren
Found this Sciomyzidae larvae in the Netherlands in two different locations Urkhovense zeggen near Eindhoven, 23.iii.2019 (lat N 51.4349, lon E 5.5465) and Rode Spreng along Hierdense Beek,...
03 April 2020 7,961 0 View
I recently obtained a hardcopy of Gloer (2019). The Freshwater gastropods of the West-Palaearctis. On page 329 a species of Gastropod i.e. Segmentina oelandica (Westerlund, 1885) (should have been...
29 November 2019 9,679 5 View
Can anybody help me with this freshwater snail? It was collected on 25.ix.2018 in a Ditch at Papenveer, The Netherlands by Nick Kroese (lat 52.186 lon 4.722) In The Netherlands we only have...
14 October 2018 7,904 6 View
Is there anybody that can help me with literature on faunistics, ecology and biology of Alboglossiphonia lata? And is it true that the species was previously known as Glossiphonia weberi lata? Any...
03 October 2017 3,011 1 View
The current classification of Crassiclitellata according to WoRMS is puzzling me.The crassiclitellata (http://marinespecies.org/aphia.php?p=taxdetails&id=468018) is divided into 2 suborders,...
13 July 2017 9,982 1 View
A co-worker found this unknow flatworm along a citycanal in Amsterdam. We have no idea what this might be, so any help is welcome. It is probably non-indigenous. It was collected using a pondnet...
09 February 2017 5,117 8 View
A co-worker has seen a species of Belostomatidae in Madagascar and he (and I) was wondering which species of Belostomatidae is known from Madagascar. Any help and/or ID keys are appreciated.
17 December 2016 2,665 4 View
A pair of specimens were found underneath the carapax of an Upogebia deltaura juvenile of about 14mm in length. Underneath the left side a male was visible with a curious pair of blackish...
30 June 2015 2,039 9 View
On numerous occasions I have find this creature in marine, shallow litoral waterbodies with reduced salinity along the Dutch North Sea Coast. At first I had no idea, but it has been suggested by...
11 May 2015 8,726 10 View
