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Denis Crawford

Insect expert
Denis Crawford, a Victorian based photographer and writer in agriculture and natural history, is our go-to expert when it comes to all things bugs. He has been working with insects one way or another for over 35 years, either researching them, writing about them, photographing them, or advising growers on how to encourage beneficial insects or control pest insects. From butterflies to beetles, Denis knows what's going on in the insect world of our gardens.
Denis Crawford

Recent articles by Denis Crawford

A tubful of leafy green vegetables
What to plant

Cabbage white butterfly

Denis Crawford looks at the scourge of brassica plants – cabbage white butterfly – and has some tips for dealing with them.

Clerid beetles are commonly seen on flowers, feeding on pollen or insects.
Pests & diseases

Beneficial insects in your garden

Denis Crawford is a big fan of beetles and says there are many hard at work in our gardens.

Hairy flower wasps are pollinators and parasites of beetle grubs.
Build your garden

Encouraging good wasps in your garden

Despite their fearsome reputations, wasps, with a few exceptions, are pollinators and can help keep pests away. Denis Crawford takes a closer look at some of the goodies.

Native stingless bees
Build your garden

Get the native bee buzz

Explore the world of native bees and how we can help provide food for them. A good starting point is to see what you can plant in your garden that will attract them to your patch.

Banded sugar ant
What to plant

Ants – friend or foes

Ants are part of life in Australia, says Denis Crawford, and are very important in the environment.

Bronze orange bug nymphs and wilted citrus
Pests & diseases

How to prevent and treat bugs and citrus gall wasp

Denis Crawford suggests organic remedies for the major pests afflicting citrus. 

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    Build your garden

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    About us

    ABC Organic Gardener magazine is published eight times per year, delivering expert advice to gardeners of all skill levels for more than 25 years. Established by the late Peter Cundall OAM, the magazine aims to empower and inspire readers, giving them the knowledge to create productive gardens and live a greener life.

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