At that time, some male aphids are born. They mate with females who lay eggs on host plants where they will overwinter. MASTER GARDENER: Use math in the garden to determine topsoil, ...

Aphids inject their mouthparts into the plant tissue to feed on the sap. “When there is a large number of aphids, you may see ...

Where are the male aphids? They show up. Charles Bonnet saw one — but not in Spring. When the days get short and the weather turns cold, female aphids begin producing males, ...

Pesky aphids disappear within days Tue., Oct. 16, 2007 Aphid larvae occupy the underside of a leaf. (File/ / The Spokesman-Review) ...

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 ...

How a Pea Aphid Decides to Make Wings or Not. Wing development in females is environmentally controlled, but in males, ... “A large genomic insertion containing a duplicated follistatin gene is linked ...

The all-female aphids reproduce “parthenogenetically”, meaning without the need for their eggs to be fertilised by males. Unlike most insects, aphids also give birth to live (all female) young.

In a new study in PNAS, a research team at the Max Planck Institute for Chemical Ecology in Jena, Germany, shows that both catnip and pea aphid produce the substance nepetalactone, even though the ...

The city often gets lots of aphids, but New Yorkers never notice them, experts say, because they are normally hunted by predator insects. “There is absolutely no health concern,” Grimaldi said.