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Posts Tagged ‘Insect’

Tarnished Plant Bug

Thursday, May 6th, 2010

Tarnished Plant Bug

Common names: Tarnished Plant Bug

Scientific name: Lygus lineolaris

Region: This bug can be found throughout North America.

Life cycle: This insect produces three to five generations each year.  Overwintering occurs by the adult or nymph bug in garden debris, under leaf mold, stones, or tree bark, or in clover, and alfalfa.

Physical Description: This 1/4 inch long bug is green to brown with yellow, brown, and black markings, and a yellow triangle at the ends of the fore wings.  The curved, elongated eggs are laid or inserted in the stems, tips, and leaves of the host plants.  The nymphs are smaller, a pale yellow to green and bear black dots on the thorax and abdomen.

Feeding characteristics: This pest, adults and nymphs, attacks most fruits and vegetables by sucking on stem tips, buds, and fruits.  While feeding, the bugs apparently inject a poisonous substance into the plant that kills the surrounding tissue, deforms roots, blackens terminal leaves, dwarfs and pits fruits, and ruins flowers.  They appear in early spring and are most numerous toward the end of the summer.

Controls: Becautilize this bug is very active, sprays are limited in their effectiveness unless utilized early in the morning when the bug is sluggish due to the cold.  The best control is prevention through clean culture.  Dusting with sabadilla will take care of serious infestations.

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Walkingstick

Wednesday, May 5th, 2010

Walkingstick

Common names: Walkingstick

Scientific name: Diapheromera femorata

Region: This insect is found in the eastern portion of the United States.

Life cycle: This insect produces just one generation each year and overwinters as an egg.

Physical Description: This 3-inch long insect is brown or dark green, very thin with a body like a stick, and can easily camouflage itself in trees and shrubs.  Its eggs are black and are deposited on the ground.

Feeding characteristics: The insect is common to the cherry tree and may feed extensively on the foliage, but damage is never serious.

Controls: None required, damage is never serious.

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Tiger Beetle

Wednesday, May 5th, 2010

Tiger Beetle

Common names: Tiger Beetle

Scientific name: Tetracha virginica

Region: This beetle is found in the western region of North America.  However, there are similar species found in the South and throughout North America.

Life cycle: This beetle overwinters in the soil as adults and larvae.  The entire life cycle of the this beetle takes two to three years to complete.

Physical Description: These 3/4 inch beetles are distinguished by their flashy, iridescent hues of blue, green, bronze, and purple.  They have long legs and are strong fliers.  The eggs are laid one at a time in burrows within the soil.  The larva is white and S-shaped with heavy spines and a hump in the middle of the body with curved hooks.

Feeding characteristics: Both the adult and the larvae feed during the day on many plant eating insects.  The larvae spend time at the bottom of tunnels, waiting for an insect to stumble in.

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