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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 8,072 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 9,788 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 8,006 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 3,602 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 10,092 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 5,288 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 2,778 4 View
On behalf of a Italian biologist who contacted me (Luca Giaccaglia), I ask experts from researchgate to give their opinion on this Apseudes species from a marine area of Sicily (Italy). Luca says...
17 October 2016 6,786 6 View
Found this specimen of about 3 cm long and 5 mm width along a freshwater brook in the province of Limburg, The Netherlands. I have seen millions of freshwater invertebrates from our country and I...
11 February 2016 3,380 5 View
Yet we found another type of Brachiopod from the Cleaverbank in the Dutch North Sea. Previously we recorded Terebratulina retusa from the same area, but this is something completely different. One...
09 October 2015 2,599 6 View
We have found this peculiar animal in a benthos sample from the Dutch North Sea (in Dutch Klaverbank; in English Cleaverbank). We first thought it was a Bivalve but due to this a-symmetrical umbo...
21 September 2015 1,845 11 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 2,127 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 8,813 10 View
