Weigel, C.A. 1923 Insect enemies of Chrysanthemums.. Farmer's Bulletin (United States Department of Agriculture) No. 1306: 18-21.
Notes: Orthezia sp., hemispherical scale, short-tailed mealybug and long-tailed mealybug mentioned.
Weigel, C.A. 1923 Insect enemies of Chrysanthemums.. Farmer's Bulletin (United States Department of Agriculture) No. 1306: 18-21.
Notes: Orthezia sp., hemispherical scale, short-tailed mealybug and long-tailed mealybug mentioned.