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Stinky Bug (or Vaquiña) Brown Marble & Department of Entomology & mdash; Penn State University

Stinky Bug (or Vaquiña) Brown Marble & Department of Entomology & mdash; Penn State University

INTRODUCTION

The stinking, brown marble bed bug (CAMM), an insect that had not been seen previously on our continent, was apparently introduced by accident east of Pennsylvania. It was first noticed in September 1998 in Allentown, but has probably been there for several years. As of September 2010, Halyomorpha halys has been registered in the following 37 counties, although they are likely to be found in all counties: Adams, Allegheny, Armstrong, Beaver, Berks, Blair, Bucks, Butler Cambria Carbon Center Chester Clinton Cumberland Dauphin Delaware Franklin Indiana Lackawanna Lancaster Lebanon Lehigh Luzerne Mercer Mifflin Monroe Montgomery Northampton Northumberland Perry Philadelphia - Pike, Snyder, Washington, Westmoreland and York has also been registered in other states such as:

California, Connecticut, Delaware, Florida, Indiana, Kentucky, Maine, Maryland, Massachusetts, Mississippi, Missouri , New Hampshire, New York, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, Washington, DC and West Virginia

This insect, from the Pentatomidae family, is known as an agricultural pest in its native regions of China, Japan, Korea, and Taiwan. Recently, CAMM has become a serious plague of fruits, vegetables and agricultural crops in the mid-Atlantic region and is likely to become a pest of these products in other areas in the United States.

The CAMM becomes a pestering pest both inside and outside homes and buildings when it is drawn abroad on warm fall days in search of winter protected areas. Occasionally, CAMM reappears during warm and sunny periods in the winter and again emerge in the spring.

The eggs are elliptical (1.6 x 1.3 mm), light yellow to reddish yellow with tiny spines forming fine lines. These eggs are attached to the bottom of the leaves, side by side, in sets of 20 to 30 eggs.

There are five nymphal stages (immature stages). The stinkbug varies in size from the first stage measuring 2.4mm to the fifth stage where they measure 12mm in length. The eyes are dark red. The abdomen is reddish yellow in the first stage and progresses to opaque white with reddish spots in the fifth stage. There are protuberances before the odor glands on the dorsal surface. The legs, heads and thorax are black. They also have spines or spines located in the femur, before each eye and several in the lateral margins of the thorax (Fig. 2).

(Figure 1) Stinky bedbug brown adult marble. (Figure 2) CAMM Nymphs on the Trumpet Jasmine

LIFE HISTORY

Probably this species has only one generation per year in Pennsylvania depending on temperatures. The warm conditions of spring and summer would allow the development of two or three generations. However, in subtropical areas of China, there are records indicating from four to possibly as many as six generations per year. Adults emerge in the spring (late April to mid-May), and mate and lay eggs between May and August. From these come small nymphs of black and red color which pass through five changes of skin. Adults start looking for places to winter between September and the first half of October.

DAMAGE

Apple Damage

This insect is becoming a major agricultural pest in Pennsylvania. During 2010, it caused serious losses in some orchards of apple and peach to damage these fruits. It has also been found feeding on blackberry, sweet corn, corn kernel and soy. In neighboring states, damage has been observed on tomatoes, beans and green peppers.

Damage to Peach and Sweet Corn

These insects are not known to cause damage to humans humans, although homeowners are alarmed when insects enter their homes and fly loudly. The bedbugs do not reproduce inside structures or cause damage. If many of them are crushed or vacuumed by a vacuum cleaner, their odor can be very evident.

CAMM HANDLING in the Homes Before Bed Bugs Enter the Building

Mechanical exclusion is the best method to prevent stinking bedbug between homes and buildings. Any cracks around windows, doors, exterior cladding, service pipes, behind chimneys and underneath boards and other openings, should be sealed with silicone or putty of good quality latex silicone. Doors and windows with damaged wire mesh should be repaired or replaced.

If numerous insects are entering the home, try to locate the openings they have access to. Typically, stinkbugs come in through cracks under or behind the bottom frieze, around windows and door frames and around fans or ceiling lights. Seal these openings with putty or other effective materials to prevent insects from entering. Dead insects such as living insects can be vacuumed with a vacuum cleaner - however, the vacuum cleaner may acquire the smell of the bed bug for a while.

It is not advisable to use an insecticide inside any structure after have entered through the spaces in the walls or through areas of the attic. Although powder insecticide treatments in these spaces can kill hundreds of these insects, it is possible that carpet beetles feed on these dead insects and subsequently attack wool products, stored dry food or other natural products in the home. Although the misty "pyrethrum" aerosols can kill the stinking bedbugs that have entered the attic, they do not prevent them from entering after the room has been ventilated. For these reasons the use of these materials is not considered a good long-term handling solution of the problem. Spraying insecticides directly in cracks and crevices does not prevent them from emerge and is not a viable or recommended treatment.

CAUTION

Pesticides are poisonous. Read and follow the safety instructions and precautions on the labels. Handle them carefully and store them in their labeled containers out of the reach of children, pets and livestock. Dispose of the empty containers as soon as possible, safely and in a safe place. Do not contaminate fodder, rivers or ponds.


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