Isotoma caerulea

Description

Juveniles are usually green, adults more dark blue. Two pairs of manubrial teeth, but can only reliably be identified by examination of setae on the dens - I. caerulea has a larger macroseta on the outside of the 2nd pair up the manubrium, while I. anglicana has the inner of these 2 macrosetae larger than the outer and I. caerulea has 2 basal dorsal setae on the dens, I. anglicana has 3.

Identification difficulty
Habitat

Damp places. 

When to see it

Autumn-spring

UK Status

True status in Britain is unknown, the species appears to be under-recorded due to identification confusion. 

VC55 Status

Status in Leicestershire and Rutland not known.

be our species champion

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map