Aphids inject their mouthparts into the plant tissue to feed on the sap. “When there is a large number of aphids, you may see ...

Like many of the tiny garden pests described here, aphids use sharp mouthparts to pierce leaves and stems and suck out vital juices. Aphids always occur in groups (colonies), and large colonies ...

The Hemlock Woolly Adelgid (HWA) is an aphid-like insect that feeds mainly upon Hemlock ... This tiny parasite spreads across the forest by hitch-hiking on birds. HWA use sucking mouthparts to pierce ...