The spicebush swallowtail, generally look-like clouded greenish-yellow butterfly, has a scientific name Papilio Troilus Linnae. It is widely common in natural areas like flower gardens throughout the eastern and mid-western parts of America. Not only caterpillars but adult butterflies are great examples of malleable coloration. The adult butterflies look extremely colorful, beautiful, and attractive because of their vivid… Read More »
Rhagoletis completa, commonly known as walnut husk, infests walnuts in most of the walnut-growing areas in California. Walnut husk feeds on different varieties of English walnuts. The husk is almost the size of a housefly and is bright in color. The adult husk has dark black prominent bands on its wings which bands around to form. It has… Read More »
Gold spotted oak borer larvae (GSOB) is a flat-headed worm first introduced in San Diego, California. It was presented at the end of the 1990s and early 2000s. Since 2000, GSOB has caused numerous injuries to the oaks in woodlands and some other forests in San Diego. GSOB mainly attacks oak trees and prefers red oak, including coast… Read More »
Helminthotheca echioides, commonly known as bristly oxtongue, is a biennial herb native to Europe and North America. It may grow up to 90 centimeters tall, with a thick stem and spreading branches. The leaves are often green and 10 to 20 centimeters long. The leaves and stem are all covered with bristles. They are like hair or feathers… Read More »
Bagrada bug is native to South Africa, the middle east, Asia and is also found in southern California. This unique bug has some special features which separate it from other common bugs like a ladybird. It has a shield-like black body with white and orange spots on its body. The adult bug is 5 to 7 mm in… Read More »
Stinkwort is also known as Camphor inula, kaapse kibos, and stink seed. This intensely aromatic weed, found in Europe and Australia. This plant is native to the Mediterranian region of Europe, occurring as far east as Afghanistan, Turkey, and Pakistan. Stinkwort is an erect, tall fall flowering that grows about 2.5 feet above the ground. The flower heads… Read More »
Matricaria discoidea, commonly known as pineapple weed, grows as a common herb in fields and gardens. They can grow in compacted soil where pores in soil are not large. The best time of their growth is in summers and early spring. They also grow near the roadside. It has a bud and a cone-shaped, composed of a yellowish-green… Read More »
Native pests feed on various types of nuts and fruits, including almonds, pistachios, and citrus fruits. It affects the quality and taste of nuts and fruits, causing decay. It not only affects the quality but also affects economic return. The damage caused by the worm reduces yield and unmarketable fruit and nuts. Navel orange worms are reddish-orange, but… Read More »
Pennisetum clandestinum is familiar with various common names, most often Kikuyu grass. It is a tropical grass species originating from Eastern South Africa. Due to its rapid growth, and hostile nature, it is a harmful and damaging weed in some regions. However, it is quite famous as a grass lawn in Australia, America, especially in some California, South… Read More »
The scientific name of paspalum grass is paspalum vaginatum. It is intimate with a change of names like seashore paspalum, biscuit grass, silt grass, and swamp couch. It is a perpetual grass with rhizomes and stolons. Rhizomes are term root stalks that can eject roots and shoots from their nodes. Whereas stolons are likely to be known as… Read More »
