- Sugar Beet Root Aphid by Great Soviet Encyclopedia
... an insect of the suborder Aphidinea of the order Homoptera; a dangerous beet pest.The body of the wingless parthenogenetic female is 2.3–2.5 mm long, ovoid, and yellowish white in color. Sugar beet root aphids are widespread in beet-growing areas. Adult parthenogenetic females winter in the soil. In the spring they give birth to larvae, which are important in ...
- Bean Aphid by Great Soviet Encyclopedia
... an insect of the superfamily Aphidinea of the order Homoptera; a dangerous pest of beets, especially seed plants. The wingless or winged individuals measure about 2 mm long and are black with a bluish grey tint. Bean aphids are widespread in beet-growing regions. The insects reproduce not only on sugar beets but also on other crop plants, such as broadbeans, soybeans ...
- Grape Phylloxera by Great Soviet Encyclopedia
... an insect of the superfamily Aphidinea. The grape phylloxera, the most dangerous pest of the grapevine, is under foreign and domestic quarantine. A native of the USA, it was introduced into Russia on planting stock in the 1870’s. It is found in Moldavia, the southwestern Ukraine, the republics of Transcaucasia, and some regions of the Northern Caucasus.The grape ...