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Christmas tree pests and weeds. An entomologist checks Scots pine for pine shoot beetles at a Christmas tree farm near East Lansing, Michigan. Pine and fir trees, grown purposely for use as Christmas trees, are vulnerable to a wide variety of pests, weeds and diseases. Many of the conifer species cultivated face infestations and death from such ...
M. scutellatus. Binomial name. Monochamus scutellatus. ( Say, 1824) Subspecies. M. s. oregonensis. M. s. scutellatus. Monochamus scutellatus, commonly known as the white-spotted sawyer or spruce sawyer or spruce bug or a hair-eater, [1] is a common wood-boring beetle found throughout North America. [2] It is a species native to North America.
Beech bark disease is a disease that causes mortality and defects in beech trees in the eastern United States, Canada and Europe. [1] [2] [3] In North America, the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect, Cryptococcus fagisuga. [4] Through a presently unknown mechanism, excessive feeding ...
Phidippus audax are commonly referred to as "bold jumping spiders" or "bold jumpers". [8] The species name, audax, is a Latin adjective meaning "audacious" or "bold". [8] This name was first used to describe the species by French arachnologist Nicholas Marcellus Hentz, who described the spider as being, "very bold, often jumping on the hand which threatens it". [9]
2. Trauma. White toenails can also be caused by trauma. "Trauma could cause white spots on the nails or even white lines (leukonychia)," says Dr. Mendeszoon. "Bumping one’s toe or being stepped ...
This dragonfly features the standard skimmer body form, and earns its name from the eight black markings on the wings. It is similar to the twelve-spotted skimmer, but lacks the black markings on the wing tips of that species. Males are additionally adorned with a total of eight opaque white spots. It can be found west of the Rocky Mountains ...
Adidas Athletic Cushioned Quarter Socks, 6 Pairs. $17 $22 Save $5. These cushioned socks are popular because they give you a plush landing pad step after step. Plus, the built-in arch compression ...
Agrilus pannonicus (Piller & Mitterpacher, 1783) Agrilus biguttatus laying eggs. Agrilus biguttatus is a species of beetle in the family Buprestidae, the jewel beetles. Common names include oak splendour beetle, oak buprestid beetle, and two-spotted oak borer. [1] This beetle is known as a pest that causes damage to oak trees and is a major ...