Ключевые слова: blowfly, bluebottle, bug, buzz, calliphoridae, contour, crawly, design, diptera, drawing, element, fly, fly insect, fly vector, gadfly, graphic, housefly, icon, illustration, isolated, line, linear, lined, musca domestica, nature, object, outline, pest, pictogram, sign, simple, symbol, thin, unhygienic,