Deraeocoris ruber

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Deraeocoris ruber
Deraeocoris ruber MHNT Type.jpg
Deraeocoris ruber, upperside
Deraeocoris ruber (Miridae) (8745976062).jpg
Side view
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Family: Miridae
Genus: Deraeocoris
Species: D. ruber
Binomial name
Deraeocoris ruber

Deraeocoris ruber (also known as Mirid Bug) is a species of bugs in Miridae family.


Varietas within this species include:[1]

  • Deraeocoris ruber var. bicolor Knight, 1921
  • Deraeocoris ruber var. concolor Reuter, 1896
  • Deraeocoris ruber var. danicus (Fabricius, 1794)
  • Deraeocoris ruber var. fieberi Stichel, 1930
  • Deraeocoris ruber var. gothicus (Scopoli, 1763)
  • Deraeocoris ruber var. segusina (Müller, 1766)

Distribution and habitat[edit]

This species can be found anywhere in Europe, except for Azores, Canary Islands, Cyprus, Faroe Islands, Finland, Iceland, Malta and parts of Russia. It is also present in the Nearctic ecozone and in the Neotropical ecozone.[2][3] These bugs inhabits forests, but occurs mainly on sunny forest edges and open areas.


Nymph of Deraeocoris ruber

Deraeocoris ruber is a medium-size species measuring 6–8 millimetres (0.24–0.31 in) long.[4] Body is remarkably wide and glossy. Adults top (including scutellum) may appear in various color variants, ranging from light brown or orange to black in color, while the cuneus is always red. They have shiny forewings with an unbanded tibiae and the 1st antennal segment. The 1st segment of the antennae and at least the base of the 2nd segment are black.[4]

The nymph of Deraeocoris ruber is black coloured with a pinkish wide abdomen bearing black spines.[5]


This species has one generation a year.[5] Adults can be found from July to September.[4] These bugs are almost completely predators and are also cannibalistic.[5] They mainly feed on aphids and other small insects. They can be found on various plants, especially on nettles,[4] but also on Rubus, Cytisus and Thistles. Trees are preferred to shrubs, including fruit trees, but they are also rarely found on conifers such as pine (Pinus), larches (Larix) and junipers.[6]



  • Schwartz, Michael D., and G. G. E. Scudder (2000) Miridae (Heteroptera) new to Canada, with some taxonomic changes, Journal of the New York Entomological Society, vol. 108, no. 3-4
  • Henry, Thomas J., and Richard C. Froeschner, eds. (1988), Catalog of the Heteroptera, or True Bugs, of Canada and the Continental United States
  • Linnaeus, C., 1758: Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio Decima, Reformata. Tomus I. Laurentii Salvii, Stockholm. 824 pp. doi: 10.5962/bhl.title.542 BHL


  1. ^ Biolib
  2. ^ Fauna europaea
  3. ^ ITIS Report
  4. ^ a b c d "Deraeocoris ruber at British Bugs". Retrieved June 8, 2012.
  5. ^ a b c Neil Helyer,Nigel D. Cattlin,Kevin C. Brown Biological Control in Plant Protection: A Colour Handbook Second Edition
  6. ^ Ekkehard Wachmann, Albert Melber, Jürgen Deckert: Bugs. Volume 2: Cimicomorpha: Microphysidae, Miridae - Goecke & Evers, Keltern 2006, ISBN 3-931374-57-2, S. 43 ff. (in German)

External links[edit]