Sabtu, 07 April 2012

Walang Sangit


                          WALANG sangit (LEPTOCORISA ACUTA THUNBERG)
  Classification
  Kingdom: Animalia
  Phylum: Arthropoda
  Class: Insecta
  Order: Hemiptera
  Family: Alydidae
  Genus: Leptocorixa
  Species: Acuta
  Author: Thunberg


Walang sangit (Leptocorisa oratorius Fabricius, (Hemiptera: Alydidae); syn. Leptocorisa acuta) is an important insect pests on the crops, especially rice. These animals are easily recognizable by its elongated shape, measuring about 2 cm, grayish brown, and has a "snout" (proboscis) to suck out plant fluids. Walang rice pest is of the order Hemiptera (true bugs nation).
Walang sangit sucking plant fluids from the flower stalk (paniculae) and rice juice is still at the stage of mature milk, causing plant nutrient deficiencies and yellowing (chlorosis), and slowly weaken.
This animal's name suggests a form of defense himself, which issued a stinging scent of the nose (so-called "rice pest"). Actually not only walang sangit issuing this aroma, but also many other members Alydidae

Walang sangit (Leptocorisa acuta) merupakansalah a pest that is also troubling farmers. These animals when disturbed, will jump and fly, taking out the smell. Berwarnahijau insect is reddish.
Walang sangit menghisab grain - grain that is still liquid. Seeds that have been sucked will become hollow, somewhat hollow, or clay. Colored seed coat will be blackened - victimization.
Factors - factors that support walang rice pest populations are as follows.
a. Rice fields are very close to predictably forestry.
b. Weed population in rice fields high enough.
c. Planting is not simultaneously
walang rice pest exterminator
a. Plant simultaneously.
b.  Clean rice of all kinds of grass that grows around the field so as not to become a breeding ground      for walang rice pest.
c. Catch the walang rice pest in the morning with fishing nets.
d. Arrest using unmpan dead frog, crab rice, or with algae.
e. Perform biological control by releasing a natural predator beruba profit - profit and grow fungus that can infect walang rice pest.
f. Perform chemical control, using insecticides

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