What are the living habits of longhorn beetles? This article will help you understand

Longhorn beetles have very long antennae. Many friends, before seeing them, think they are animals like cattle, but in fact longhorn beetles are insects, and they are very small. So do you all know about the habits of longhorn beetles? Let us take a look together!

1. Habits of longhorn beetles

During the larval stage, longhorn beetles need supplemental nutrition. The pollen, tender twigs, bark and tree sap around them are all sources of nutrition for them. By the adult stage, their lifespan is generally from more than 10 days to 1 to 2 months. Males live shorter lives than females, and they cause a certain amount of damage to tree trunks.

2. How to trap and kill longhorn beetles

1. Trap and kill adults

Generally, during the peak emergence period of adult longhorn beetles from May to July, check frequently for adults resting on trees or flying low in the woods and kill them. Some adults exhibit death-feigning behavior; shake the branches vigorously, and the adults fall off and can be killed.

2. Kill eggs and young larvae

Longhorn beetles lay eggs on branches and trunks. For some species, the egg-laying notches are obvious and easy to find. Before young larvae bore into the xylem, fresh sap or resin flows from the damaged spots on the branches, and there are reddish-brown frass deposits. Use a sharp knife to scrape the bark, search carefully, and kill the eggs and larvae, or tap with a hammer or similar tool, or apply pesticide. This method is only suitable for species with low branches and relatively obvious egg-laying notches and signs of damage by young larvae.

As natural enemies of trees, longhorn beetles are indeed very difficult to eradicate completely. I hope the above methods can also be effective for you.