There are multiple metric units to choose from! This tutorial goes through the process of choosing the best metric unit to use for measuring the mass of a given object.
The most common aphids on houseplants are the light green ones (pear aphids), but aphids can also be found colored pink, white, grey and black. Additionally, winged aphids can appear when colonies are established and fly to infect new plants. Juvenile aphids (nymphs) look like smaller versions of the adults.
Q. Weâre seeing very large black and yellow flying insects that look like wasps flying around our yard. They seem to be entering areas with piles of dirt along our walkway. What are they and how do we get rid of them? A.The large wasps youâre seeing are called cicada killer wasps (Sphecius speciosus). They are easily identified by their large size â nearly two inches in length. They are very distinctive, with black bodies and yellow stripes. They have large reddish-brown eyes and legs.