PsocodeaPsocidae – Common Barklice2 data sources

Loensia moesta

This record describes Loensia moesta (species). Recorded family: Psocidae. Recorded order: Psocodea.

Identification and Appearance

Loensia moesta - Loensia moesta
Contributed by tom murray; Additional contributions by Mike Quinn , Vox Sciurorum , v belov

The black speckles all over the forewing are nicely diagnostic. When compared to the similar genus Trichadentecnum you will see that Loensia lacks the arc of 6 spots in the last 1/4 of the wing (one in the base of each cell). The very dark (almost black) spot in the centre of the wing gives it away as moesta.

Wikipedia reference for Loensia moesta: https://en.wikipedia.org/wiki/Loensia_moesta.

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder
Psocomorpha
Family
Psocidae (Common Barklice)
Subfamily
Psocinae
Tribe
Ptyctini
Genus
Loensia

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

trunks/branches of broadleaf trees & conifers

Geographic Range

e NA (NB-FL to MN-TX) + scattered populations in the Rockies - Map , concentration of centex records

Seasonal Activity

mostly: June-Oct (BG data)

Additional species information

Species notes from the sources

Etymology: Loensia moesta (Hagen 1861)

About Barklice, Booklice, and Parasitic Lice: the wider group

Order-level background for Psocodea, the group containing Loensia moesta. Species-specific details appear above.

Group overview

Psocodea includes ~11,000 described species of booklice, barklice, and parasitic lice. Booklice (Psocoptera) are among the most common household insects, thriving in humid environments where they feed on mold and fungi.

Ecological role of the group

Barklice are important decomposers that feed on algae, lichens, and fungi on tree bark. They help recycle nutrients in forest ecosystems. Parasitic lice have co-evolved with their hosts for millions of years, providing insights into host evolutionary history.

Economic and practical significance of the group

Head lice (Pediculus humanus capitis) affect an estimated 6-12 million children aged 3-11 in the U.S. annually (CDC). The U.S. lice treatment market is valued at over $1 billion per year.

Recorded sources for this group: CDC, dermatology research, entomology textbooks. Imported estimates may describe particular regions or reporting periods.

Explore Psocodea families and species →

Photos of Loensia moesta (2)

Loensia moesta - photo 1
Contributed by tom murray; Additional contributions by Mike Quinn , Vox Sciurorum , v belov
Loensia moesta - photo 2
Contributed by tom murray; Additional contributions by Mike Quinn , Vox Sciurorum , v belov

Photo credits: Contributed by tom murray; Additional contributions by Mike Quinn , Vox Sciurorum , v belov

Frequently Asked Questions About Loensia moesta

What is Loensia moesta?

Loensia moesta is a species in the family Psocidae, within the order Psocodea.

How do you identify Loensia moesta?

The black speckles all over the forewing are nicely diagnostic. When compared to the similar genus Trichadentecnum you will see that Loensia lacks the arc of 6 spots in the last 1/4 of the wing (one in the base of each cell). The very dark (almost black) spot in the centre of the wing gives it away as moesta.

Where is Loensia moesta found?
FeatureDetails
Habitattrunks/branches of broadleaf trees & conifers
Rangee NA (NB-FL to MN-TX) + scattered populations in the Rockies - Map , concentration of centex records
When is Loensia moesta active?

Loensia moesta: seasonal activity - mostly: June-Oct (BG data).

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by tom murray; Additional contributions by Mike Quinn , Vox Sciurorum , v belov. Contributors retain copyright over their individual contributions.