delia radicum - the cabbage root fly resting on marsh spurge - euphorbia palustris

agriculture animal anthomyiidae arthropoda biological biology brachycera cabbage closeup control cosmopolitan crop crops delia diptera disease dying ecology ecosystem environment euphorbia euphorbiaceae farming flies fly garden gardening horticulture insect insecticides insects macro marsh muscoidea nature onion organic outdoor palustris parasite pest pesticide pests plant protection radicum root species spurge the turnip wildlife wing