This is a preview. Log in through your library . Abstract Two divergent life cycles associated with different elevations and latitudes have been documented for the witch-hazel leaf gall aphid, ...

Between the last pass of the combine and the first field check of spring, soybean insects such as soybean aphid and bean leaf beetle are quietly positioning themselves for a comeback. What you do in ...

(1) Individuals of six species of aphid from two families were dissected and the number of ovarioles recorded. Variation in ovariole number occurred within and between generations. The spring ...

WEST LAFAYETTE, Ind. - The list of enemies is made, and now Purdue University researchers must find the most lethal one by returning to the target's native home in the Orient. The object of this ...

Here are some questions I encountered this past week. Q: What are the black dots on my cucumber leaves sucking the life out of the plant? A: They are aphids. These small, soft-bodied, piercing sucking ...

While examining my milkweed, I noticed an unsightly black, sooty mold exclusively on the underside of leaves on my common milkweed plants. I knew immediately that aphids, a small 1/16- to 1/8-inch ...

Aphids could be considered the “mosquitoes” of the plant world, depending on the “blood” of plants to survive. They live in symbiosis with bacteria that pass from one generation to the next, producing ...

I was sitting outside enjoying the unseasonable warmth this last weekend and noticed tiny, white, fluffy things drifting around my backyard. I had seen these for the first time last year and found ...