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These bugs are a common garden insect which may damage a wide variety of crops including cotton, peaches and tomatoes, and seeds such as beans, black-eyed peas and sorghum. [2] Like other bugs L. phyllopus suck juices from plants by puncturing them with their sucking mouth parts, making them resistant to ingested pesticides .
Plants can drop 50–100% of their foliage. BLS can also affect the stems of plants, leading to elongated, raised, light-brown cankers, less than .25 inch long. (5) Defoliation occurs more commonly in pepper plants than tomatoes, so tomato plants with bacterial leaf spot often have a scorched appearance due to their diseased leaves. [2] [5]
A view of an infected pepper . Colletotrichum capsici has a broad host range but prefers peppers, yams and eggplants. On chili peppers, Capsicum annuum L., C. capsici infect the stem, fruit, and leaves of the plant, causing anthracnose, die-back and ripe fruit rot.
Species in the family may be referred to as capsid bugs or "mirid bugs". Common names include plant bugs , leaf bugs , and grass bugs . It is the largest family of true bugs belonging to the suborder Heteroptera ; it includes over 10,000 known species, and new ones are being described constantly.
The andromeda lace bug is about 3 millimeters in length. It has a characteristic rounded pronotum , lacy black and white wings, and shiny gold highlighting. The bug produces mottling on the leaves of the plant, and heavy infestations can cause the leaves to drop in large numbers, stunting the plant's growth.
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Proxys punctulatus is omnivorous, feeding on both plant juices and on insect larvae. It has been found on blackberry , [ 6 ] spiderwort , [ 7 ] cotton , soybean and citrus plants. [ 4 ] Feeding results in disfigured leaves and discolored areas on stems, but this damage is usually insignificant since the bugs never reach high populations.
Black rot is a name used for various diseases of cultivated plants caused by fungi or bacteria, producing dark brown discoloration and decay in the leaves of fruit and vegetables: A disease of the apple, pear and quince caused by a fungus ( Botryosphaeria obtusa or Physalospora cydoniae )