The Plant Lady

Gardening Info Accumulated from Experience and lots of Written Sources

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Insects

Leafhoppers

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Phylum: Arthopoda

Class: Hexapoda

Order: Homoptera

Homoptera includes aphids, psyllids, whiteflies, scales, cicadas, leafhoppers, and others. They undergo a simple metamorphosis. Most families have immature stages which roughly resemble the adult form, except the absence of wings; however, some have unusual forms. The nymph stage of leafhoppers have no wings and look exactly the same as the adult.

Description: very small insects, ranging from 1/12 - 1/8 inches long (2-3 mm). They are wedge-shaped, with narrow bodies that are broadest at the head and taper to the rear. They look a lot like a very very tiny cricket, and are related to the cicadas. They are colored light green, pale yellow, or brown. Some have bright bands of color on the wings. Nymphs are often white. The aster, or 6-spotted, leafhopper has 6 pairs of black spots on the front of the head. Click here to see images from Google.

They live mostly on the underside of leaves, sucking sap from the plant,

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Cucumber Beetles

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Spotted Cucumber Beetles, Striped cucumber beetles, western striped cucumber beetle, southern corn rootworm, Western corn rootworm beetles

Acalymma spp., Diabrotica undecimpunctata

Physical Description:

RVGPS-158: little yellow beetles with stripes or spots (very much like a ladybug, but with yellow-green instead of red background). Striped cucumber beetles can overwinter in most parts of the US & Canada. A similar species, the western striped cucumber beetle is only found in the western states. It will feed on snap bean pods as well as seedlings of a variety of crops. The larval stage of the spotted cucumber beetle is the southern corn rootworm, which can cause serious damage to corn crops. Western corn rootworm beetles look similar to cucumber beetles but have yellow abdomens and shorter stripes on the wings.

Last Updated on Sunday, 06 November 2011 08:26 Read more...
 

Flea Beetles

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Flea Beetles

Chrysomelidae family

Flea beetles, which are tiny black or brown-bronze beetles that jump like a flea, leave tiny holes or divets in the leaves. They seem to especially love eggplant leaves. Fruits, like eggplant, also get damaged with scarring from the flea beetles feeding. Productivity is also reduced because they love the new leaves, growing tips and flower buds. Since they are also a disease vector of some serious diseases, like bacterial wilt and early blight, they are important to keep in control.

Flea Beetle Damage Flea Beetle

Last Updated on Sunday, 18 September 2011 16:45 Read more...
 

Controlling Leafhoppers

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Leafhopper Control Measures

  • Water Sprays: Dislodge nymphs with blasts of water at the underside of the leaves. Adults just jump around, avoiding the blast, but the ones that are hit, are sufficiently damaged so they can't feed anymore. this is good for all soft-bodied plant-eating pests like aphids, thrips and spider mites. You want a forceful spray that will cover a large area. Keep the stream moving back and forth, to not damage foliage or flowers. Make sure to attack the undersides of the leaves, too. The negative aspect of this method is with dangers of overwatering or hurting plants physically. Stay away from seedlings, since they are tender. Avoid during humid or wet weather so you don't encourage fungal diseases. In order to not burn the foliage in hot sunlight, spray in the early morning or at dusk.
Last Updated on Saturday, 03 April 2010 17:39 Read more...
 

Leafhopper Diseases

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Diseases transmitted by Leafhoppers:

 
Last Updated on Saturday, 03 April 2010 17:37 Read more...
 
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