Feld-Witwenblume

Knautia arvensis

Summary 6

Knautia arvensis, commonly known as Field Scabious, is a species in the genus Knautia.

Name 7

Species of scabious were used to treat Scabies, and many other afflictions of the skin including sores caused by the Bubonic Plague1. The word scabies comes from the Latin word for "scratch" (scabere). Another name for this plant is Gipsy Rose3. The genus Knautia is named after a 17th-century German botanist, Christian Knaut.

with Aphantopus hyperantus

leaves

Young fruit

basal leaf - note that in this species it is lobed, whereas Devils Bit Scabious it is not

Associations 8

Foodplant / open feeder
larva of Abia sericea grazes on leaf of Knautia arvensis

In Great Britain and/or Ireland:
Foodplant / nest
female of Andrena hattorfiana provisions nest with pollen of Knautia arvensis

Foodplant / nest
female of Andrena marginata provisions nest with pollen of Knautia arvensis

Foodplant / spot causer
pycnidium of Ascochyta coelomycetous anamorph of Ascochyta scabiosae causes spots on live leaf of Knautia arvensis

Foodplant / miner
larva of Aulagromyza similis mines leaf of Knautia arvensis

Foodplant / parasite
embedded sorus of Bauhinus flosculorum parasitises live anther of Knautia arvensis

Foodplant / parasite
sorus of Bauhinus scabiosae parasitises live anther of Knautia arvensis
Remarks: season: 7-8

Foodplant / parasite
conidial anamorph of Erysiphe knautiae parasitises live Knautia arvensis

Foodplant / sap sucker
Macrosiphum rosae sucks sap of live Knautia arvensis

Foodplant / parasite
colony of sporangium of Peronospora violacea parasitises live petal of Knautia arvensis

Plant / resting place / within
puparium of Phytomyza nigritella may be found in leaf (midrib) of Knautia arvensis
Other: minor host/prey

Foodplant / spot causer
mostly hypophyllous colony of Ramularia anamorph of Ramularia tricherae causes spots on live leaf of Knautia arvensis

Foodplant / spot causer
central, 1-3 per spot, minute, black pycnidium of Septoria coelomycetous anamorph of Septoria scabiosicola causes spots on live leaf of Knautia arvensis
Remarks: season: 9-10

Sources and Credits

  1. (c) Steve Chilton, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/steve_chilton/2634262231/
  2. (c) Bart Busschots, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/bbusschots/16110138392/
  3. (c) David Wright, some rights reserved (CC BY), https://www.flickr.com/photos/dhwright/4796827521/
  4. (c) --Tico--, some rights reserved (CC BY-NC), https://www.flickr.com/photos/tico_bassie/223971051/
  5. (c) Udo Schmidt, some rights reserved (CC BY-SA), https://www.flickr.com/photos/coleoptera-us/7477548294/
  6. Adapted by Bea Steinemann from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Knautia_arvensis
  7. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Knautia_arvensis
  8. (c) BioImages, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/22910142

More Info

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