Western Corn Rootworm

Western Corn Rootworm

What are those little yellow and black beetles in the corn? These beetles are Western Corn Rootworm, and they love to eat the silks on the cobs, as well as pollen and flowers of many kinds. The larvae  (not shown) eat corn roots making the plants unstable and drought...
Columbine Leaf Miner

Columbine Leaf Miner

Larvae feed between leaf layers making squiggly trails. Adult is a small fly. Doesn’t damage flowers, and usually doesn’t affect the growth of established plants. Infested leaves can be picked off and removed from garden as soon as tunnelling is noticed in...
Apple Leaf Curling Midge

Apple Leaf Curling Midge

The apple leaf curling midge does not affect fruit or significantly damage established trees. Young larvae are white, mature larvae are orange. Adults are tiny flies that are not noticeable. photographed and submitted by Tracy Hueppelsheuser, entomologist
Leaf Miner

Leaf Miner

Here we see damage caused by the beet leaf miner. Larvae live and feed within the leaf layers, causing pale areas. Damage can be severe and make leaves inedible as beet greens. The adult leafminer is a fly, which lives outside of the plant. photographed and submitted...
Cabbage Root Maggot

Cabbage Root Maggot

The photo above is of a cabbage root maggot feeding on a radish, and shows the boring damage caused. This is one of the worst crucifer root pests found across Canada, and is difficult to control. photographed and submitted by Tracy Hueppelsheuser,...
Crucifer Flea Beetle

Crucifer Flea Beetle

In the above photo, crucifer flea beetles are feeding on kale leaves. This is a common pest in our gardens. Both the beetle and larvae feed on the plant. Below we see crucifer flea beetles feeding on radish leaves. photographed and submitted by Tracy Hueppelsheuser,...
Pea Weavil

Pea Weavil

The pea leaf weevil causes these lovely notches along the edges of newly emerging pea plants. Peas will generally outgrow the damage and turn out fine, however, heavy infestation may kill new plants. This photo doesn’t show the weevil, but shows the damage on...