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| Zicrona caerulea Blue Shieldbug Family: Pentatomidae A medium-sized dark shieldbug with a deep blue-green metallic sheen and a dark wing membrane. A predatory species, favouring the larvae of leaf beetles, particularly Altica species (Chrysomelidae). There is usually one generation per year and new adults are mainly found from July onwards. Z. caerulea occurs on low vegetation in many habitats, including heathland, damp grassland and woodland rides. It is widespread throughout Britain, particularly in the north, although absent from Ireland. Adult: All year Length 5.0-7.0 mm  |
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| Adult: Berks (April 2010) ©Jonathan Michaelson |
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| Adult feeding: Suffolk (April 2008) ©Stuart Read | Adult: Berks (April 2010) ©Jonathan Michaelson |
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| Adult: north London (September 2009) ©Laurence Counter |
Early instar nymph: Herts (June 2009) ©Tristan Bantock |
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| Final instar nymph: Herts (June 2009) ©Tristan Bantock | Teneral adult: Suffolk (June 2008) ©Stuart Read |