When the male purple-spotted butterfly is caught, it can turn out a pair of expulsion glands at the end of its abdomen and immediately emit a foul odor, forcing natural enemies such as insectivorous birds to abandon it and avoid harm.
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The rice borer was a major enemy of rice cultivation 3,000 years ago. After being damaged, the fields are covered with white ears, the leaves and seedlings are withered, and the yield is reduced by more than half. In 1957, Zhou Yao verified in "History of Early Entomology Research in China" t...
Most of the larvae of moths are herbivorous, so they inevitably compete with humans for natural resources, especially harming crops, causing huge economic losses to humans. 1. Grape tiger moth (Hua Lihu) Seudyra subflava Moore Mature...
Aphids are common plant pests that feed on plant sap and can cause serious damage to crops. Here are some simple and effective ways to control aphids for your reference:1. Natural control methods:Natural enemy guidance: Promote the aggregation of natural enemies of aphids such as ladybugs, melon bug...
The egg is the first insect state in the ontogeny of oviparous insects; the egg is a large cell composed of several parts. The outermost surface of the egg is the egg shell, which is generally relatively hard and functions to protect the egg cells. Egg shells are complex protein structures. I...
Nets are generally used to catch butterflies, dragonflies, jumping locusts, etc. that are good at flying. Insects in large areas of grass and dense shrubs are difficult to see with the naked eye, so you can use a net to sweep them away. Use an insect net to sweep the net left and right while...
Praying mantises are terrestrial predatory insects that are beneficial to humans and must be protected. It has been known to everyone. Praying mantises have ferocious habits and are known to eat carnivores, so they can be regarded as tigers in the class Insecta. Locusts, cicadas, flies, cater...
Bees play an indispensable role in agricultural production, and their significance to agricultural production is mainly reflected in many aspects such as pollination services, ecological balance, and economic value. The following is a detailed introduction to the significance of bees to agricultural...
The white spots on the hind wings of the red butterfly have various types such as small spots, multiple spots, large spots, and U-shaped spots. Alias: red-bellied swallowtail butterfly, seven-star swallowtail butterfly, red-striped dawn butterfly, red-striped swallowtail...
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