Aphids in the Greenhouse

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KEY TO APHIDS MOST COMMONLY FOUND IN GREENHOUSES

1. Aphid dark mahogany brown; found exclusively on chrysanthemum (Fig. 46.) Chrysanthemum Aphid
Aphid pale yellow, green, pink, or red; may be found on chrysanthemum but occur on other plants as well.

2. Cornicles long, slender, and pale in color but sometimes dark at the tip; body 2.0 mm long (Fig. 47.) Green Peach Aphid

2.' Cornicles shorter and uniformly dark; body 1 to 1.8 mm long (Fig. 48) Melon or Cotton Aphid

Click on aphid name above, for more description and line drawings.