They mainly feed on pollen and nectar of " Heracleum sphondylium " as well as small insects.
2.
Adults feed on nectar and pollen from " Tanacetum vulgare " and " Heracleum sphondylium ".
3.
Adult wasps feed on aphid honeydew and nectar of " Anthriscus sylvestris " and " Heracleum sphondylium ".
4.
The female's abdomen is gray and her wings are clear . " E . livida " lives in hedgerows, feeding on the nectar of several species of Rosaceae, several species of Asteraceae, and " Heracleum sphondylium " nectar; they also feed on other insects.
5.
Around the pest house there is rank grassland and scrub with flowering plants such as hemlock ( " Conium maculatum " ), hogweed ( " Heracleum sphondylium " ) and good populations of balm-leaved figwort ( " Scrophularia scorodonia " ) which is spreading in one area.
6.
They can be encountered from May through late summer feeding on small insects and on nectar and pollen of flowers from various plants ( mainly Apiaceae family, as " Anthriscus sylvestris ", Hogweed ( " Heracleum sphondylium " ), but also on " Rubus fruticosus " and " Crataegus monogyna ".
7.
The adults grow up to long and can be encountered from May to July, feeding on pollen and nectar of several Apiaceae species ( " Aegopodium podagraria ", " Meum athamanticum ", " Heracleum sphondylium ", etc . ), Euphorbiaceae species ( " Euphorbia " spp . ) and Asteraceae species ( " Tanacetum vulgare ")
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