Creatures in Crisis
Photograph of Barrett’s Plant-louse (Trioza barrettae), recorded as Critically Endangered
Barrett’s Plant-louse (Trioza barrettae). Image via Wikimedia Commons.

Critically Endangered

Barrett’s Plant-louse

Trioza barrettae

Barrett’s Plant-louse is an insect in the family Triozidae (order Hemiptera) — Trioza barrettae, recorded as Critically Endangered and tied to Australia.

Status
Critically Endangered
Scientific name
Trioza barrettae
Recorded from
Australia
Taxonomy
Insecta · Hemiptera · Triozidae · Trioza

The insect

An insect has six legs and, in winged forms, one or two pairs of wings. Most named species in this catalog are known from a type series and a locality, not from a popular field guide.

Range and habitat

The species is endemic to Western Australia. Endemics of Australia (Stirling.

GBIF currently lists 8 occurrence points. Those points follow where people logged the taxon — museum drawers and surveys included — not a closed range boundary.

Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.

Life history

Life history follows the order: complete metamorphosis in moths and beetles, nymphs in grasshoppers and bugs. This page does not invent a host plant that no source named.

In crisis

Barrett’s Plant-louse is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.

Sources

Written for this catalog from the English Wikipedia article on Barrett’s Plant-louse — often a short stub, Wikidata item Q20722117 and GBIF occurrence geography. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.

Photograph via Wikimedia Commons. Wikipedia · Wikidata · IUCN Red List.

Also in this catalog

Photograph of Vaquita (Phocoena sinus), recorded as Critically EndangeredCR

Vaquita

Phocoena sinus
Photograph of Javan rhinoceros (Rhinoceros sondaicus), recorded as Critically EndangeredCR

Javan rhinoceros

Rhinoceros sondaicus
Photograph of Sumatran orangutan (Pongo abelii), recorded as Critically EndangeredCR

Sumatran orangutan

Pongo abelii
Photograph of Axolotl (Ambystoma mexicanum), recorded as Critically EndangeredCR

Axolotl

Ambystoma mexicanum

Quick answers

What is Barrett’s Plant-louse?
Barrett’s Plant-louse is an insect in the family Triozidae (order Hemiptera) — Trioza barrettae.
What is the conservation status of Barrett’s Plant-louse?
Critically Endangered, as the IUCN category stored on Wikidata for Trioza barrettae. Confirm the official assessment on iucnredlist.org.
Where does Barrett’s Plant-louse live?
The species is endemic to Western Australia.
Why is Barrett’s Plant-louse in crisis?
It is Critically Endangered on Wikidata. Read the official Red List assessment for the criteria.
Is this the IUCN Red List page for Trioza barrettae?
No. This is a researched catalog account. The Red List is the assessment.
Is Barrett’s Plant-louse a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.