Psocoptera

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Related to psocopteran: Phthiraptera

Psocoptera

[sō′käp·tə·rə]
(invertebrate zoology)
An order of small insects in which wings may be present or absent, tarsi are two- or three-segmented, cerci are absent, and metamorphosis is gradual.
References in periodicals archive ?
Species identified from eastern hemlock constitute the highest number of psocopteran species recorded from a single tree species.
This suggests that family Psocidae is among the oldest psocopterans. This family is an ancient lineage that diverged during the Mesozoic--Paleozoic transition.
Previously, Lynch (2000) used the family-group name Caeciliaidae but he was unaware that the International Commision of Zoological Nomenclature (Anon., 1996) had reversed its earlier decision so as to allow Caeciliidae to refer to caecilians rather than psocopterans (insects).