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Euceraphis betulae, the birch aphid or silver birch aphid, is a species of aphid in the order Hemiptera.It is a tiny green insect with a soft body and wings. It is found living on the European silver birch tree (Betula pendula) where it feeds and multiplies on the buds and leaves by sucking sap.
Some farming ant species gather and store the aphid eggs in their nests over the winter. In the spring, the ants carry the newly hatched aphids back to the plants. Some species of dairying ants (such as the European yellow meadow ant, Lasius flavus) [70] manage large herds of aphids that feed on roots of plants in the ant colony. Queens leaving ...
Thus, aphids show very complex and rapidly changing within-year dynamics, with each clone going through several generations during the vegetative season and being made up of many individuals, which can be widely scattered in space. The survival of the eggs and/or overwintering aphids determines the numbers of aphids present the following spring ...
An aphid infestation can ruin a garden. Learn what causes aphids and how to identify, kill, and control them naturally for healthy plants with no aphid holes.
Aphids adopting a characteristic stance when feeding on a broad bean stalk. The black bean aphid can feed on a wide variety of host plants. Its primary hosts on which the eggs overwinter are shrubs such as the spindle tree (Euonymus europaeus), Viburnum species, or the mock-orange (Philadelphus species).
Third generation aphids will all have wings and will migrate from the apple trees around late spring. [2] In autumn, winged females return to the fruit trees and mate with winged males from the grasses. [6] [8] These females will lay overwintering eggs on twigs. [2] [3] R. oxyacanthae has a short adult life but a high reproductive rate. [7]
Aphids eat plant sap by biting into the plant and sucking out the sap. This weakens the plant, while the bugs also secrete honeydew, a sweet and sticky substance that attracts ants (that collect ...
Woolly aphids on crab apple bark. Pemphigus gall on cottonwood tree Grylloprociphilus imbricator on Fagus Galls made by Melaphis rhois. Woolly aphids (subfamily: Eriosomatinae) are sap-sucking insects that produce a filamentous waxy white covering which resembles cotton or wool. The adults are winged and move to new locations where they lay egg ...