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Hace 2 días · The unintentional introduction of forest pest species and plant pathogens can change forest ecology and damage the timber industry. Overall, forest ecosystems in the U.S. are widely invaded by exotic pests, plants, and pathogens.
Hace 1 día · Bees are a monophyletic lineage within the superfamily Apoidea. They are currently considered a clade, called Anthophila. [1] . There are over 20,000 known species of bees in seven recognized biological families.
Hace 1 día · Zea mays. L. Maize / meɪz / ( Zea mays ), also known as corn in North American and Australian English, is a tall stout grass that produces cereal grain. It was domesticated by indigenous peoples in southern Mexico about 9,000 years ago from wild teosinte.
Hace 1 día · Pest status. About 5000 species of aphid have been described and of these, some 450 species have colonized food and fiber crops. As direct feeders on plant sap, they damage crops and reduce yields, but they have a greater impact by being vectors of plant viruses.
Hace 1 día · Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22,000 species have been classified.
Hace 5 días · Leptospirosis is a blood infection caused by the bacteria Leptospira [8] that can infect humans, dogs, rodents and many other wild and domesticated animals. [8] . Signs and symptoms can range from none to mild ( headaches, muscle pains, and fevers) to severe ( bleeding in the lungs or meningitis ). [5] .
Hace 22 horas · The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail, and orange fur with black, mostly vertical stripes.
