What Is Gnaphalium?

The nasal worms are widely distributed, also known as wild crickets. Adults parasitize the respiratory tract and nasal cavity of carnivorous animals such as canis and wolves. Occasionally seen in horses, sheep, people. Larvae are parasitic in the internal organs of horses, sheep, cattle, and rabbits.

Human infection is mainly caused by ingestion

Nasal worm

After the nasal parasite adult lays eggs, it is discharged from the body with nasal fluid;

Symptoms:

Nasal parasites can cause nasal catarrhal symptoms and may cause nosebleeds.

Treatment:

Medication is difficult and can only be removed by surgery or nasal lavage, but I feel unwell. Some people think that organophosphorus pesticides can be tested, but the hospital will not give them to you, because organophosphorus pesticides are highly toxic and do not meet the standards for human medicine. It is recommended that they be treated surgically.

Control methods (1) The methods of high-potassium cultivation, plastic film mulching, and film breaking to raise seedlings are used to reduce harm. (2) Apply fully decomposed organic fertilizers to create conditions that are not suitable for the occurrence and survival of wild sturgeon. (3) If necessary, spray snail enemies and fenwei.

The taxonomic name is Agriolimax agrestis Linnaeus. Alias snot.
Host strawberry, various vegetables and crops.
To damage the characteristics, take the leaves of the herbivorous grapes into holes, or the fruit of the herbivorous grapes, and affect the value of the commodity.
Morphological characteristics

The adult body was 30-60mm long and 4-6mm wide when it was straightened; the inner shell was 4mm long and 2.3mm wide. Long shuttle type, soft, smooth without shell, body surface is dark black, dark gray, yellow white or gray red. 2 pairs of antennae, dark black, the lower pair is about 1mm, which is called the front antennae, which has sensory effect; the upper pair is about 4mm, which is called the rear antennae, with eyes at the ends. Horny tooth tongue in mouth. The front end of the back of the body is provided with a mantle, which is 1/3 of the body length, and the edges are rolled up. Inside it there are degraded shells (that is, shield plates) with obvious concentric circles, that is, growth lines. The center of the concentric circles is to the right of the back of the mantle. The breathing hole is in front of the right side of the body, surrounded by small colored lines. Stupid. Mucus is colorless. About 2mm behind the right antennae is the genital foramen. Oval oval, tough and elastic, with a diameter of 2-2.5mm. The nucleus is white and transparent, and the color becomes darker when hatching. Larvae of the larvae are 2 to 2.5 mm long and light brown in color; they are all adult.
Life habits

Overwinter as adult or larvae under the wet soil of the crop roots. From May to July, there was a lot of activity in the field. The temperature increased in summer, and the activity weakened. After the autumn climate was cool, the activity was harmed. Complete one generation about 250 days, spawning from May to July, the egg period is 16-17 days, from hatching to sexual maturity about 55 days. The spawning period can be as long as 160 days. Wild pheasant hermaphrodite, allogeneic fertilization, can also fertilize in vivo. The eggs are laid in the hidden soil cracks with high humidity, and they are laid once every 1-2 days, about 1 to 32 grains, about 10 grains are laid in each place, and the average egg production is more than 400 grains. Wild pheasants are afraid of light. They die in 2-3 hours under strong light. Therefore, they are active at night, starting from the evening, reaching a peak at 10-11 pm, and diving into the soil or hidden areas before the morning. Strong hunger, can not eat without food or bad conditions. The dark and humid environment is prone to large-scale occurrence. When the temperature is 11.5-18.5 ° C and the soil moisture content is 20% -30%, its growth and development are the most favorable.