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Spathocera dalmanni
Family: Coreidae

This squashbug is characterised by the long, pale-sided pronotum (much longer than wide). The head, antennae and pronotum lack spines and there are two wedge-shaped black markings on the scutellum.

Following communal hibernation, adults emerge and mate in the spring, feeding on the seeds of the hostplant, sheep's sorrel Rumex acetosella. Larvae can be found June-August, feeding on the stems. All life stages are rather slow-moving and adults fly only rarely.

A scarce species mainly confined to heathland in southern England (Suffolk - Dorset) favouring warm and sparsely vegetated areas where the foodplant occurs. It has also been recorded from acid grassland, breckland and sand dunes.

Adult: All year
Length 5-6.5 mm
Spathocera dalmanni
Adult: north London (August 2008) ©Tristan Bantock

Spathocera dalmanni Spathocera dalmanni
Adult: north London (August 2008) ©Tristan Bantock

Adult: north London (August 2008) ©Tristan Bantock
Spathocera dalmanni Spathocera dalmanni
Adult: Beds (April 2009) ©Will George

Adult: west London (June 2009) ©Tristan Bantock
Spathocera dalmanni Spathocera dalmanni nymph
Adult: north London (September 2009) ©Tristan Bantock

Late instar nymph: north London (June 2009) ©Tristan Bantock

Spathocera dalmanni nymph
Late instar nymph: north London (August 2008) ©Tristan Bantock