Tenthredo moniliata Klug, 1817

Tenthredo moniliata

One of the Tenthredo atra group (atra, ignobilis, moniliata) that may require further revision. In females the abdomen is marked red on tergites three to five and occasionally the extreme margins of two and six (female abdomen entirely black in atra). The stigma and apex of the costa in the fore wing is brown and the tegulae are red in both sexes.

Larvae feed on bogbean.

Size: 11 - 12mm

Status: Rare

Distribution: England, Scotland, Wales, Ireland

Flight period: May to August

Plant associations: Menyanthes trifoliata (bogbean)

References:

Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London

Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168

Fekete, K. (2018) Beginner’s guide to identifying British Tenthredo, Natural History Museum, London. http://www.nhm.ac.uk/content/dam/nhmwww/take-part/identification-trainers/sawflies-guide-id-trainees.pdf [Accessed 26Apr2019]

Liston, A.D., Knight, G., Heibo, E., Bland, K.P., Barstad, T.E., Blank, S.M., Boevé, J.L., Fiedler, C., Grearson, K.J., Halstead, A. and Jacobs, H.J., 2012. On Scottish sawflies, with results of the 14th International Sawfly Workshop, in the southern Highlands, 2010 (Hymenoptera, Symphyta). Beiträge zur Entomologie= Contributions to Entomology, 62(1), pp.1-68.