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Entomology for gardeners

Your garden is full of insects—some friends, some foes. Learn how to identify insects so that you know how to respond when you see them in your garden.

Jean R. Natter | Jan 2019 | Article

Cluster flies: Noisy but harmless

Large flies buzz and annoy, clustering together around windows and knocking into lampshades. These are cluster flies — noisy but harmless flies that enter homes through cracks and gaps.

Jul 2018 | Article Peer reviewed (Gray level)

How to identify a wolf spider

Information on the wolf spider.

Jul 2018 | Article

How to determine what's ailing a tree

How drought affects trees is complex. Drought-stressed trees become susceptible to insects and diseases that are naturally present but typically at low levels. Here are steps to take to identify what's ailing a tree.

Norma Kline | Jun 2018 | Article

Life cycle of the codling moth

A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.

Amy Jo Detweiler | Apr 2018 | Article

Basic entomology

In the Pacific Northwest alone, there are more than 28,000 identified species of insects. Most of the insects in our yards and gardens are harmless or even beneficial, but some cause plant damage or are a nuisance for ...

Richard Little | Jan 2016 | Article

Essential material needed for storing and displaying insects

Learn about storage boxes, insect pins, storage racks, spreading boards, point punches and other tips.

Silvia I. Rondon, Mary Corp | Jan 2010 | Article