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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 leaf beetles in the genus Altica, a case of aggressive mimicry. 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 |