Pemphigini

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Hemiptera
Suborder: Sternorrhyncha
Superfamily: Aphidoidea
Family: Aphididae
Subfamily: Eriosomatinae
Tribe: Pemphigini

Pronunciation

How to pronounce Pemphigini: /pɛmˈfɪdʒɪnaɪ/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Ps galle by IN Madde. Used under a Public domain license.

Pemphigus spirothecae 20050831 503 part by Georg Slickers. Used under a CC BY-SA 4.0 license.

Pemphigus bursarius on Lombardy Poplar Populus nigra var.italica (24940630097) by Len Worthington. Used under a CC BY-SA 2.0 license.

Pemphigus bursarius, Wollige slawortelluis (1) by Rasbak. Used under a CC BY-SA 3.0 license.

Pemphigus spirothecae 20050831 498 by Georg Slickers. Used under a CC BY-SA 4.0 license.

Beech Blight Aphids - Flickr - treegrow (3) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.

Summary

Woolly aphids, members of the tribe Pemphigini, are sap-sucking insects that cause galls on poplar trees and can lead to various plant damages, including disease transmission.

Physical Characteristics

Woolly aphids produce a filamentous waxy white covering resembling cotton or wool; adults are winged.

Identification Tips

In flight, they resemble 'flying mice'; have various nicknames including 'angel flies' and 'fluff bugs'.

Habitat

Primarily found on poplar trees and other specific host plants.

Distribution

Occurs throughout the Northern Hemisphere.

Diet

Woolly aphids feed by inserting their needle-like mouthparts into plant tissue to withdraw sap from leaves, buds, bark, and roots, producing honeydew in the process.

Life Cycle

Adults move to new locations to lay egg masses; nymphs often form large cottony masses on twigs for protection.

Reproduction

Egg masses laid by winged adults; alternation of generations on one or two specific host plants.

Ecosystem Role

Considered pests, they can cause botanical damage but also serve as indicators of plant health issues.

Economic Impact

Can cause aesthetic damage to ornamental plants and spread plant diseases, posing issues for growers.

Cultural Significance

Known by various nicknames that indicate their appearance and behavior.

Health Concerns

May lead to plant infections; vectors for diseases like powdery mildew.

Evolution

Previously placed in family Pemphigidae = Eriosomatidae, now classified within Aphididae.

Similar Taxa

Misconceptions

Despite their name, woolly aphids do not pose serious threats to plant health unless populations are high.