(21), and is made of plastic, and which can be mounted in the spaces located on the hat cover (3) by means of tabs on its upper portion, and which forms a holding surface when gripping the capturing device (1) by hand and which is designed so that a finger cannot touch the inner cages passing through it. It is ensured that flies and insects passing easily through the large holes of the protective cage (13d) are caught by means of electric current when they contact the outer cage (13c) and the middle cage (13b) at the same time when they try to go to the illuminant (12). When the size of the flies and insects are smaller and the hole intervals of the outer cage (13c) are large, it is ensured that the flies and insects are caught and destroyed by electric current when they contact the middle cage (13b) and the inner cage (13a) at the same time. By this means, it is possible to destroy flies and insects which are 0.5 mm sized and bigger damaging the plants in the same environment at the same time by means of the catcher device (1). 

The upper cover of cage (11) ensures that the top of the cage system (13) of the illuminant (12) is covered and the cage system (13) is attached to the hat cover (3). The bottom cover of cage (14) ensures that the lower part of the cage system (13) of the illuminant (12) is covered and that flies and insects do not reach the light from below without being caught to cages. The bottom cover of cage (14) consists of three parts, and the ducted cage housing (14a) allows the attachment of the cage system (13), the cover with smell chamber (14b), allows for placing insect attracting smells such as pheromone and the like on itself while ensuring complete closing. The collection tray (14c) only exists on the catcher device (1a) used in the warehouses and collects the small size flies on itself. 

A collection tank (22) is used in the subject matter catcher device (1), to prevent caught flies and insects from escaping. The cone (21) helps the collection of caught flies and insects into the collection tank (22). Thus, the flies and insects that do not die by touching the cage system (13) but are stunned cannot go up again and escape after dropping into from the collection tank (22) sliding through the cone (21). The cone (21) has a protrusion outwardly on its upper edge. The protective cage (13d) on the other hand, has a recess inwardly on its lower part. Thus, the cone (21) is fixed to the device by being tightly placed into the lower recess of the protective cage (13d). The protective cage (13d) is mounted to the hat cover (3). The engagement system on the collection tank (22) is mounted by rotating into the threads under the cone (21). The cone (21) and the collection tank (22) are preferably made of plastic. In the version (1a) 

