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Bead-like Cottonwood Gall aphid

Thecabius populimonilis

The Bead-like Cottonwood Gall aphid is a tiny insect that makes round, bead-like galls on cottonwood trees. These galls are like little homes for the aphids, where they can stay safe and feed on the tree's juices.

Habitat: Forests

Appearance

The Bead-like Cottonwood Gall aphid is a tiny, soft-bodied insect, typically yellowish-green in color. Its pear-shaped body is often hidden inside distinctive, bead-like growths on cottonwood leaves. These aphids lack prominent wings in their gall-dwelling stage.

KingdomAnimaliaPhylumArthropodaClassInsectaOrderHemipteraFamilyAphididaeGenusThecabius
Bead-like Cottonwood Gall aphid
Photo: giantcicadaCC BY 4.0 · iNaturalistView original ↗
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Bead-like Cottonwood Gall aphid

Category

Insects

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Some aphid babies are born already pregnant!

These aphids create their own living 'house' inside a leaf!

They change forms throughout their life, like a secret identity!

They drink sugary sap like tiny juice boxes!

Special abilities

Ability

Gall Architect

Bead-like Cottonwood Gall aphid can create protective galls because of special chemicals injected into leaves that force the tree to grow a shelter.

Ability

Rapid Reproduction

Bead-like Cottonwood Gall aphid can multiply quickly because females can reproduce without a mate, filling galls with many offspring.

Ability

Plant Manipulator

Bead-like Cottonwood Gall aphid has the ability to manipulate cottonwood plants by forcing them to grow a home for its colony.

Measurements & details

Size
1-3 mm
Lifespan
20-30 days
Leg Count
6
Colony Size
1000

Diet & Feeding

These tiny insects drink the sugary sap directly from cottonwood leaves, their leafy homes.

Primary Foods

  • cottonwood sap
  • plant sugars
  • tree phloem

Ecological connections

depends_on

Eastern Cottonwood

Populus deltoides

relies on for food and to create its protective gall.

eats

Convergent Lady Beetle

Hippodamia convergens

preys on aphids, helping control their populations.

eats

Common Green Lacewing

Chrysoperla carnea

larvae are voracious predators of aphids.

parasitizes

Parasitic Wasp

Aphidius colemani

lays eggs inside the aphid, leading to its demise.

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

It's best to look at insects from a distance and not touch them, as some can be delicate.

Frequently Asked Questions

How to identify Bead-like Cottonwood Gall aphid?

Look for six legs, antennae, three body sections and the shape of the wings. Beetles have hardened front wings; flies have just one working pair. Tiny insects may need a close view before their group is clear. Insect Identifier: upload a photo and compare the visible details.

How big is Bead-like Cottonwood Gall aphid?

1-3 mm

How long does Bead-like Cottonwood Gall aphid live?

20-30 days

What does Bead-like Cottonwood Gall aphid eat?

These tiny insects drink the sugary sap directly from cottonwood leaves, their leafy homes.

Where is Bead-like Cottonwood Gall aphid usually found?

Forests

How many legs does Bead-like Cottonwood Gall aphid have?

6

How large are Bead-like Cottonwood Gall aphid colonies?

1000

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