In polymer chemistry, polymerization is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or three-dimensional networks. There are many forms of polymerization and different systems exist to categorize them.
The thistle caterpillar is the larval stage of the painted lady butterfly. The adult insect migrates into Iowa each year from Texas and Mexico. Eggs are laid on both thistle and soybeans. The caterpillar is easily identified by the spines that resemble Christmas trees that have lost all their needles.
Baltimore Maryland shrubs rose slug. The leaves of your rose are being eaten by an insect called a rose slug. It is neither a slug or caterpillar (even though it looks like one), but the larvae of a species of sawfly. Sawfly adults are very small flying insects related to wasps. The larva is small and âslug-likeâ in appearance.