Species profile: Apatania wallengreni

February 17, 2016

Apatania wallengreni McLachlan, 1871

Apatania wallengreni is one of three members of the Family Apataniidae, and of the genus Apatania, found in Ireland. It is a species whose larvae can be found in large stony lakes, on a substratum ranging from gravel to boulders and bedrock. It can be found in brackish waters.

Characteristic features of the larva of Apatania wallengreni include the presence of a prosternal horn visible on the ventral side of the pronotum (can be difficult to see without manipulating the legs), a dorsal protuberance on the 1st abdominal segment, lack of folds on the ventral apotome, single gill filaments on the abdomen, a lack of anterior-median sclerites, mandibles lacking teeth, dagger-shaped setae on the anterior edge of the pronotum. 6-8 setae along the posterior edge of the lateral sclerite of the anal proleg, and a lack posterior-dorsal gill on the 1st abdominal segment.

Adults of Apatania wallengreni can be found on the wing from April to June.

Records of Apatania wallengreni on the National Biodiversity Data Centre mapping system can be found here.

Apatania wallengreni


Barnard, P. and Ross, E. (2012) The Adult Trichoptera (Caddisflies) of Britain and Ireland. RES Handbook Volume 1, Part 17.

Graf, W., Murphy, J., Dahl, J., Zamora-Muñoz, C. and López-Rodríguez, M.J. (2008) Distribution and Ecological Preferences of European Freshwater Species. Volume 1: Trichoptera. Astrid Schmidt-Kloiber & Daniel Hering (eds). Pensoft, Sofia-Moscow.

O’Connor, J.P. (2015) A Catalogue and Atlas of the Caddisflies (Trichoptera) of Ireland. Occasional Publication of the Irish Biogeographical Society, No. 11.

Wallace, I.D., Wallace, B. and Philipson, G.N. (2003) Keys to the Case-bearing Caddis Larvae of Britain and Ireland. Scientific Publication of the Freshwater Biological Association No. 61.

Last updated: 08/04/2018


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