The difference between rice worms and cockroaches, the difference between rice worms and small cockr

There are significant differences between rice worms and cockroaches in the following three aspects:

1.Category: Rice insects belong to the insect class Lepidoptera, and cockroaches belong to the insect class Cockroach order.

2.Appearance: The mouthparts of rice worms resemble the trunk of an elephant and are often found in cereals, and the adult worm is only about 3-4 mm long. Cockroaches have a flat body with wings that extend beyond their abdomen, and nymphs are morphologically similar to adults, only smaller.

3.Behavioral habits: Rice worms are borers in grains, and the main harm object is stale grains. Cockroaches are one of the oldest and most successful insect groups in the world, and are saprophagores, diurnal and nocturnal, living in burrows.

In conclusion, there are significant differences between rice worms and cockroaches in terms of their category, appearance characteristics and behavioral habits.

Rice worm refers to the borer in rice, the scientific name is rice elephant, its long mouthparts are very similar to the trunk of an elephant, often found in grains, because of the fast reproduction, one of the main pests in grains. The main host is corn, rice, wheat, sorghum, flour and other stored grains, and there are more wooden flooring households. Adult rice worms are only about 3-4 mm long.

Its main danger object is the old grain stored for 2 to 3 years.

Cockroaches, scientific name cockroaches, are one of the oldest and most successful insect groups in the world, and are saprophagores, which like to lie dormant and live in caves. It is the dirtiest household pest, with an oval, black or dark brown body, shiny, and a body length of 25-30 mm. The reproduction of cockroaches is a combination of sexual reproduction and asexual reproduction.

Rice worms are small in size and weak and easy to die; The cockroach is big, the wings are big, the body is strong, and the little strong that can't be beaten to death.

Rice worms are raw rice and can be eaten when cleaned, while cockroaches are pests, and they are mixed with bacteria.

Rice worms are a little fatter. Baby cockroaches are a little thinner. Rice worm refers to the borer in rice, the scientific name is rice elephant, which is often found in grains, because of its fast reproduction rate, it is one of the main pests in grains.

Its main host is corn, rice, wheat, sorghum, flour, and other stored grains, and there are many families with wooden floors.

There are about 8 9 generations every year, an average of about 20 50 days of a generation, reproduction is faster when the temperature is higher, in different regions of our country, its occurrence is not exactly the same, in Gansu Longdong 1 generation, Northeast 1-2 generations, Shandong about 2 generations, Zhejiang, Shaanxi 3-4 generations, Guangdong 7 generations.

Adults mainly overwinter in the dark and damp brick and stone crevices in the warehouse, and can also overwinter in loose soil, bark and ridges outside the warehouse. In mid to late May of the following year, the overwintering adults begin to move, and the adults who overwinter in the warehouse continue to lay eggs and reproduce on the spot, and some of the overwintering adults outside the warehouse move into the warehouse, and the other part flies to the field, where they lay their eggs on the ears of wheat, and when the adults lay eggs, they eat the wheat grains with their mouths to form an egg nest.

This is a grain thief, there are many species, and it is a common pest that harms grains and other grains. Not cockroaches.