Order (Heteroptera), section Pentatomoidea

Shield Bugs, so called from the general shape of the adults.

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Hawthorn Shield Bug Acanthosoma haemorrhoidale (Linnaeus, 1758)

Acanthosoma haemorrhoidale
  • Cambridge 4 Jul 2002
  • Family Acanthosomatidae
  • Feeds on leaves and fruits
  • Length: 14mm

Juniper Shield Bug Cyphostethus tristriatus (Fieber, 1860)

Cyphostethus tristriatus
  • Cambridge, Adams Road (TL437587) 26 Jun 2012
  • Larvae feeds on juniper berries, also cypress
  • Length: 10mm.
  • As well as being smaller than A. haemorrhoidale it lacks the protruding "shoulders", and the red coloration does not stretch so far, leaving boomerang shapes.

Parent Bug Elasmucha grisea (Linnaeus, 1758)

Elasmucha grisea Elasmucha grisea nymphs
  • Adult: Old St Ives Railway, TL464614; 20 Sep 2002 Enlarge
  • Nymphs: Adams Road LNR, TL437587; 4 Sep 2007 Enlarge
  • Family Acanthosomatidae
  • Takes its common name from the protective care which the females exercise over eggs and young nymphs.
  • The nymphs, on birch or alder, cluster together even without the parent's presence.
  • Length: 7mm

Sehirus luctuosus Mulsant & Rey, 1866

Sehirus luctuosus
  • Cambridge 19 May 2002
  • Family Cydnidae
  • Widespread in the southern counties
  • Host plant is common forget-me-not Myosotis sylvatica

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