Search results
Results from the WOW.Com Content Network
Nematus oligospilus, commonly known as the willow sawfly, is a species of sawfly in the family Tenthredinidae. Native to central and northern Europe and Asia, it was first recorded in South America in the 1980s and New Zealand in 1997, and has also been introduced to Australia, South Africa and Lesotho.
Leaves show a characteristic curling, similar to damage caused by viruses. Heavily infested plants have shortened internodes leading to resetting or a "bunchy top" appearance. A heavy, black, sooty mold may develop on an infested plant's leaves and stems as a result of the mealybug's heavy honey-dew secretions.
The family Phylliidae (often misspelled Phyllidae) contains the extant true leaf insects or walking leaves, which include some of the most remarkably camouflaged leaf mimics (mimesis) in the entire animal kingdom. They occur from South Asia through Southeast Asia to Australia. Earlier sources treat Phylliidae as a much larger taxon, containing ...
If you have ever found a creepy-crawly creature in your home and thought to yourself, ‘Ew, it’s a centipede!’ you’re not alone. Centipedes are one of the most common household pests and ...
These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones . [ 1 ]
Barklice are also found on trees, where they eat algae and lichen. Most booklice measure 0.03 – 0.07 inches long. The wingless species can be easily mistaken for bed bugs or lice.
Diamond willow is a type of tree with wood which is transformed into diamond-shaped segments that have alternating colors. Salix bebbiana , the most common, is a species of willow indigenous to Canada and the northern United States, from Alaska and Yukon south to California and Arizona and northeast to Newfoundland and New England.
Salix discolor, the American pussy willow [2] or glaucous willow, [3] is a species of willow native to North America, one of two species commonly called pussy willow.. It is native to the vast reaches of Alaska as well as the northern forests and wetlands of Canada (British Columbia east to Newfoundland), and is also found in the northern portions of the contiguous United States (Washington ...