Chilo suppressalis breeding method

Abstract

The invention relates to the technical field of insect breeding, in particular to a chilo suppressalis breeding method. An egg mass is positioned at the intersection of a sheath of a first rice stem and a main stem, and hatched larvae bore through the first rice stem to eat; after the larvae grow to an age of 5, the larvae are taken out from the first rice stem and fed on a second rice stem, wherein the first rice stem refers to a fresh rice stem with roots and the sheath in or after a round stem elongation stage, and the second rice stem refers to a knotted fresh rice stem in or after the round stem elongation stage. The chilo suppressalis breeding method has advantages of high larva and pupa survival rate, convenience in pupa searching, suitableness for researching and availability for large-scale breeding.

Description

technical field [0001] The invention relates to the technical field of insect feeding, in particular to a feeding method for Chilo suppressalis. Background technique [0002] Chiloborer belongs to Lepidoptera, Boreridae, and is one of the most serious frequent pests on rice in my country. It eats rice stems, damages rice at the tillering stage, and causes dead sheaths and seedlings; damages booting and heading. rice at the early stage, causing dry booting and white ears; damage to rice at the filling and milk maturity stages, causing half-dead ears and insect-damaged plants. The damaged plants are clustered and distributed in the field, with an obvious center. In addition to harming rice, Chilo borer can also harm weeds such as water bamboo, corn, sorghum, sugar cane, rape, broad bean, wheat, reed, barnyardgrass, and Lishihe. In order to facilitate the research on C. borer, it is usually necessary to raise C. borer artificially. [0003] The prior art, such as the Chinese ...

AI Technical Summary

Problems solved by technology

[0003] The prior art, such as the Chinese patent document CN204599047U, discloses a device for efficiently raising the stem borer. The host plant used to raise the stem borer is rice seedlings or rice stems that are easy to rot and deteriorate or become moldy. Careful observation is required during the raising process. The condition of the host plant, if it is found to be rotten or moldy, it needs to be replaced in time, and the rottenness or moldiness of the plant may be part of it, sometimes it is difficult to observe, if the larvae eat the host plant, it will lead to malnutrition of the larvae , Infected with germs and died, therefore, the mortality rate of larvae is high

Moreover, the larvae bite the pupae, which will lead to high pupae mortality and a significant decrease in the number of effective pupae, seriously affecting the eclosion of adults and bringing difficulties to the raising of the next generation.

Larvae become pupae and are distributed in glass bottles, which makes it time-consuming to find and peel pupae during feeding, and is not suitable for large-scale subculture

In the prior art, there is also a method of raising C. borer with artificial feed. The biological characteristics of C. conduct research that may lead to inaccurate research results