Criorhina ranunculi

Range & Status

Mainly a southern species but widespread in England, Scotland and Wales; locally numerous in old woodland, even in small copses.

Regional Distribution

First recorded in Cornwall in 1909; since 1980 at Luckett (1990), Anthony Estate (1992), Torpoint, Keveral Wood, Seaton, Anthony and Grove Farm (1994), Penlee Battery (1996), Torpoint (1998), Seaton Valley (2002) and Angarrack, Hayle (2003).

Habitat & Ecology

Inhabits old woodland with much dead wood. The bumblebee-like adults come to early spring blossom from March to May. The larvae live in dead wood, but their requirements are as yet unknown.


Tidying up of old woodland.


Luckett is a National Nature Reserve, owned by the Duchy of Cornwall. Anthony Estate is National Trust land. Penlee Battery is a Cornwall Wildlife Trust Reserve.