When Do Lacewings Hibernate in the UK?

Understanding lacewings' seasonal behaviour

May 10, 2024 | 8 min read
A lacewing resting on a leaf in a UK garden

Among these, lacewings hold a special place due to their beneficial role in controlling pest populations. Understanding when these delicate insects hibernate can help us support them in our gardens, ensuring they thrive and continue their beneficial work.

Quick Answer

Lacewings in the UK typically begin to hibernate from late autumn, around October, and remain dormant until early spring, roughly March.

Understanding Lacewing Behaviour

Lacewings are known for their delicate, lacy wings and their voracious appetite for garden pests like aphids. These beneficial insects are a gardener's ally, and understanding their life cycle is crucial for anyone looking to maintain a healthy garden ecosystem.

Why Do Lacewings Hibernate?

Hibernation is a survival strategy that allows lacewings to endure the cold winter months when food is scarce. During this period, they enter a state of dormancy, conserving energy until favourable conditions return.

Timing of Lacewing Hibernation

In the Midlands, including areas like Staffordshire, lacewings usually start their hibernation in late autumn. The exact timing can vary based on local temperatures and weather conditions, but you can generally expect them to settle into hibernation by October.

Month Activity Notes
October Begin hibernation Look for sheltered spots
November - February Hibernating Ensure undisturbed areas
March End hibernation Emerging and active again

Supporting Lacewings Through Hibernation

As gardeners, we can make small changes to help lacewings survive the winter months. Here are some practical tips:

  • Leave piles of leaves and other debris undisturbed, as these provide shelter for hibernating lacewings.
  • Create bug hotels using materials like straw, bamboo canes, and wood, which offer insulated spaces for overwintering insects.
  • Avoid using pesticides in your garden, especially during the autumn months, to protect lacewings and other beneficial insects.

Monitoring Lacewing Populations

Keeping an eye on your garden's lacewing population can offer insights into the health of your local ecosystem. In Staffordshire, lacewings are a common sight during the warmer months, and their presence is a positive indicator of garden health.

Frequently Asked Questions

How can I attract lacewings to my garden?

Planting a variety of flowering plants, such as dill, fennel, and cosmos, can attract lacewings. These plants provide pollen and nectar, which are food sources for adult lacewings.

What should I do if I find a lacewing during winter?

If you discover a lacewing in winter, it's best to leave it undisturbed. Ensure it is in a sheltered spot and avoid moving it, as this can disrupt its hibernation.

Are lacewings beneficial in the garden?

Absolutely! Lacewings are known for preying on aphids and other garden pests, making them a valuable part of your garden's pest control strategy.

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