DSC_4237 Green soldier fly (Odontomyia atrovirens) female on yarrow (Achillea millefolium) flowers. A small, robust fly with a metallic bronze thorax, and flattened lime green abdomen. The large rounded head has very large eyes. It visits the flowers of willow, hawthorn, irises or Umbellifers growing in wet meadows. The larvae feed on algae or decaying organic matter. Lake Mahinerangi *