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Posts Tagged ‘Animalia’

Striped Cucumber Beetle

Saturday, May 8th, 2010

Striped Cucumber Beetle

Common names: Striped Cucumber Beetle

Scientific name: Acalymma vittata

Region: This beetle can be found in the eastern portion of North America.

Life cycle: The Adult beetle overwinters in plant debris.  Only one generation is produced by beetles in the North, while in the south two to four generations are common.

Physical Description: The adults are distinguished by the pale yellow to orange wing covers with three longitudinal stripes and black head.  It grows to a 1/4 inch length.

Feeding characteristics: The adults chew on leaves and flowers and carry Bacterial Wilt and cucumber mosaic, while the larvae feed on stems and roots.

Controls: Nature provides a lot of control in the form of natural predators, such as, Soldier Beetles, Tachinid Flies, Braconid Wasps and parasitical nematodes.  However, you can also try covering your plants with cheesecloth, or infestations that are more serious, dust or spray with insecticides.

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Spotted Grapevine Beetle

Friday, May 7th, 2010

Spotted Grapevine Beetle

Common names: Spotted Grapevine Beetle, Spotted pelidnota, Spotted June beetle

Scientific name: Pelidnota punctata

Region: This Caterpillar is found throughout North America.

Life cycle: This insect produces one generation each year and hibernates as a mature larva.  Its only in the adult stage for two months.

Physical Description: This 1” long, light brown, shiny beetle has 6 black spots on the wings.  The larva is a large white grubs that prefer well-rotted wood matter.

Feeding characteristics: The adults feed on grape leaves and, if numerous, may cautilize damage.

Controls: If the number of infested plants is small, hand pick the insects.

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Tanglewing Flies

Friday, May 7th, 2010

Tanglewing Fly

Common names: Tanglewing Flies, Tangle-Veined Flies

Scientific name: Trichopsidea sp

Region: Throughout North America

Life cycle: One brood per year.  Emerges from the host and overwinters in the soil.  It pupates the following spring.

Physical Description: The adults are black, with dense yellow hair.  No distinct bands or marking on the abdomen.  They are .25 to .4 inches long.  The Eggs are laid in cracks in fence posts and other upright objects in huge numbers (up to 1000 in fifteen minutes).

Feeding characteristics: The adults are nectar and pollen feeders.  When the eggs hatch, they are scattered in the wind.

They attached themselves to the Grasshopper, and bore into the abdomen.  It forms a breathing tube attached to the host’s tracheal system.  Grasshopper populations have been observed to suffer drastic reduction after a severe attacking by these parasites.

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