hoverfly sits and warms itself in the morning sun on a rowan leaf with bunches of ripe red berries

autumn hoverfly green syrphidae brachycera dipterans ripe forest beelike rowan botanical wasplike season disguise predators bitterness branch leaf symbol nature garden plant syrphidology sirfida sirfa beauty brightness food bunch vitamin gourmet bright colour colorful appetite day greenery medicinal gardening fall wildfire rowanberry