Wild Wonders of Europe / Maitlan / Crab spider (Thomisus onustus) yellow form, portrait, on yellow Yarrow (Achillea filipendulina) Stenje region, Galicica National Park, Macedonia, June 2009. WWE INDOOR EXHIBITION Wild Wonders kids boo...

Wild Wonders of Europe / Maitland / Crab spider (Thomisus onustus) yellow form on yellow Yarrow (Achillea filipendulina) showing asymmetry in front leg length, Stenje region, Galicica National Park, Macedonia, June 2009

Heather Angel / Chalcid wasp (Gasteruption jaculator) nectaring on Yarrow (Achillea millefolium) cultivar, picking up pollen on legs and head. Long ovipositor used to lays eggs inside solitary bee nests. In garden, S...

Robert Thompson / Large blue butterfly (Phengaris arion) nectaring on Yarrow (Achillea millefolium). St Caterina di Valfurva Valfurva, Sondrio, Lombardy, Italy.

Colin Varndell / Yarrow (Achillea millefolium) flower. Dorset, UK, July.

Ernie Janes / Cultivated Achillea ' Terra cotta' in flower with Agapanthus 'Colbolt blue' in garden, England, UK.

Ernie Janes / Achillea millefolium Paprika' in flower in garden. England, UK.

Ernie Janes / Achillea millefolium Paprika' in flower in garden. England, UK.

Kim Taylor / Ruby-tailed wasp (Chrysis ignita) feeding on Yarrow (Achillea millefolium) Surrey, England, July.

Kim Taylor / Ruby-tailed wasp (Chrysis ignita) feeding on Yarrow (Achillea millefolium) Surrey, England, July.

MYN / Dirk Funhoff / High brown fritillary butterfly (Argynnis adippe) on Yarrow (Achillea millefolium), Lorsch, Hessen, Germany. June. Meetyourneighbours.net project

MYN / Dirk Funhoff / Yarrow (Achillea millefolium), Lorsch, Hessen, Germany. Meetyourneighbours.net project