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Cymatia coleoptrata 23-08-2010
Cymatia coleoptrata

I found this small Lesser Boatman species (3.5 millimeters) in a large pond. Cymatia coleoptrata can be found in regions that lie in a rather narrow band over Northern Europe, according to gbif.com. In the Netherlands and parts of Belgium it is quite common, the two other species which can be found there are the rather rare C. bonsdorffi and the very rare C. rogenhoferi) (B. Aukema, 2016). C. coleoptrata is the smallest of these three.

Unlike many other Lesser Waterboatman species, Cymatias are not bottom dwelling and detritus hoeing. Instead, according to many sources they seem to be hunters that dart for small creatures like moquito larvae, mayfly larvae and crustaceans, e.g. waterfleas (Hädicke et al 2018, see below).They grab them with their front legs, which are not shaped like e little shovel, but are cylindrical and have long, hairlike projections on them, to from a kind of cage trap.


Literature:
Hädicke C.W., Rédei D., & Kment P.(2017) The diversity of feeding habits recorded for water boatmen (Heteroptera: Corixoidea) world-wide with implications for evaluating information on the diet of aquatic insects Eur. J. Entomol. 114: 147�159, 2017
doi: 10.14411/eje.2017.020 Read it 5 april 2022 from http://www.eje.cz

Aukema, B. (2016) Nieuwe en interessante nederlandse wantsen VI (Nederlandse Faunistische Mededelingen 46 - 2016)
Read it 4 april 2022, from https://repository.naturalis.nl/document/667945

Stoffelen, E., Henderickx, H., Vercauteren, T., Lock, K.,& Bosmans, R. (2013) De water- en oppervlaktewantsen van Belgiië (Hemiptera, Heteroptera: Nepomorpha Gerromorpha) Determinatiesleutels, beschrijvingen en foto's van de volwassen water- en oppervlaktewantsen Koninklijk Belgisch Instituut voor Natuurwetenschappen, Brussel 2013 (ISBN: 9789073242272)
Read it 4 april 2022, from http://biblio.naturalsciences.be/rbins-publications/faune-de-belgique-fauna-van-belgie/de-water-en-oppervlaktewantsen-van-belgie/water-en-oppervlaktewantsen-all.pdf


Please click on the pictures below, to see other pages on this species.

Cymatia coleoptrata 23-08-2010
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Cymatia coleoptrata 23-08-2010
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