Pachyprotasis antennata - Antennate Strider

Widespread throughout mainland Britain, as well as Orkney (Musgrove, 2023).

The abdomen is mostly black dorsally but most of the underside of the body and the legs is green. On the forewing the stigma is dark.

Pachyprotasis antennata larvae feed on ash or meadowsweet.

Jump to other species of Pachyprotasis

Size: 8 - 9mm

GB IUCN Status: Least Concern
GB Rarity Status: None

Distribution: England, Scotland, Wales, Ireland

Flight period: June to July

Plant associations: Filipendula spp. (meadowsweet) and Fraxinus spp. (ashes)


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.

Musgrove, A.J. 2023. A review of the status of sawflies of Great Britain - Phase 2: The Athaliidae and the Tenthredinidae (excluding Nematinae). Natural England, unpublished