Which genus is specifically cited as a key primary host plant for overwintering *Aphis fabae* eggs?
Answer
Viburnum
The text identifies species from the *Viburnum* genus as critical primary hosts, sometimes leading to the name 'Viburnum bean aphids'.
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What is the scientific name for the black bean aphid?Where are black aphid eggs typically found overwintering in temperate climates?Which genus is specifically cited as a key primary host plant for overwintering *Aphis fabae* eggs?What term describes the asexual process by which the first generation of aphids produces live young rapidly in the spring?What form of the aphid population is responsible for dispersing to secondary host plants when resources become scarce on the primary host?Approximately how many different species of plants are known to be infested by black bean aphids during their summer feeding period?Which of the following crops is specifically mentioned as a secondary host where the common name 'black bean aphid' originates?What sticky residue do feeding black aphids excrete that can lead to the growth of a black fungus?Where are aphids most commonly found congregating on a plant during the active summer feeding stage?In late summer or early autumn, where does the main density of the aphid population shift to facilitate sexual reproduction and egg laying?Which of these is cited as a secondary host category that serves as a reservoir for the pest population throughout the summer?